Gun Review: SIG SAUER 516 Patrol Rifle

45 responses

  1. avatar
    James
    May 20, 2012

    I have a Sig716 Patrol and I love it.

    I have no qualms about the quality of the rifle. The sparse information available online leads one to believe that Sigs quality leaves something to be desired, and I haven’t found that to be the case.

    Unlike you, though, I found the trigger excellent. While I never measured it, what you say is a 7+lb. pull sounds about right. I don’t shoot in competitions (just for “personal betterment”), so I don’t know about those needs. But for relaxed target shooting at two and three hundred yards, it suits me perfect. It’s a little stout, but the single-stage break is clean and consistent. Squeeze squeeze sq BAM! Squeeze squeeze sq BAM! Every time. The quad-rail hand guard adds a lot of weight to the front end of the rifle, though. I’ve never had a quad-rail hand guard before, and I was surprised at how much added weight there is compared to a standard guard. (It’s not that it’s that heavy, but it does throw off the balance of the weapon.)

    I’ve only used a couple kinds of ammo in it, but it eats them up like nothing. I got the shop to throw in a box of those Hornady Zombie bullets (168gr. HPBT), I grabbed an extra box of Remington 168gr. FMJs, and came home and ordered 200 rds. of Sellier & Bellot 182gr. FMJBTs. I’ve had no problems with any of them.

    The price tag was a little more than what I wanted to spend at the time, but still considerably less than the other .308 ARs offered at my local shop. I wouldn’t hesitate for a second to recommend the 716 to anyone looking for a .308

    • avatar
      Jim Barrett
      May 20, 2012

      My comment on the trigger was in comparison to some of the other guns I have. It is just not as smooth by comparison. It’s mot a terrible trigger, but since the offer the 2 stage on other guns, it would have been nice to see it here as well. That said, I personally don’t find the trigger on my 716 to be as annoying as the one on my 516, so it may be comparing apples to oranges.

    • avatar
      Michael
      September 11, 2012

      I have both rifles, and the 716′s trigger is way lighter and smoother than the 516. I read that sig went this route to maintain better accuracy for the longer range capabilities. Plus I paid almost $2000- for the 716, its the least they could do right? Anyway, I love both and hate cleaning rifles, so these were the only choice for me!

  2. avatar
    j
    May 20, 2012

    planning on getting one in the (hopefully near)future

  3. avatar
    LTC F
    May 20, 2012

    The issue of fouling with DI rifles in my opinion is rather overstated. I have been in one of those ” intense firefights and dumping hundreds of rounds downrange without much time to clean your gun.” In a lovely spot called Sadr City back in 2004 I fired my complete basic load (210 rounds) my wounded driver’s basic load (another 210 rounds), and most of my gunner’s basic load (another 180 rounds…he was too busy on the M240 to bother with his M4). I fired 600 rounds in a little over half an hour, with zero failures to feed, zero failures to fire, and zero failures to eject. I could feel the heat of the barrel and gas tube through my nomex gloves, and I have no doubt that do to barrel heating (and being scared s***less, and the other bastards shooting back at me with their AK’s, and trying to bring in gunships on the radio, and get the QRF to where I was, etc) I wasn’t the most accurate marksman who ever lived by the end of the experience.

    The important thing is my M4, with service M855 ammo (with about every fifth round being a tracer mixed in), fired more than 20 rounds a minute for a half hour without being cleaned and without malfunction. I’m not saying a piston rifle wouldn’t have performed as well or better, I’m just saying the DI system gets a bad rap.

    That bad rap goes back to Vietnam. The problem was the M16 (as in M16 “A Nothing”) as originally fielded didn’t have a chrome bore, resulting in a lot of failures to eject (hence documented stories of dead Soldiers being found with a cleaning rod jammed down the barrel of an M16 trying to get a casing unstuck). The original M16 also lacked the forward assist, and those gunked up, pitted bores sometimes resulted in the failure of the bold to close and failures to fire. The final straw that broke the camel’s back was the use of a slow burning powder that caused fouling of the gas tube.

    The M16 “A nothing” has been gone for almost fifty years. The modern M4 is a good rifle. It hasn’t let me down in 36 months of use in combat. I’m more than comfortable with my choice of a DI S&W M&P 15 for civilian use.

    Again, nothing against Piston Rifles, I’ve never even played with one, I just hate to see DI maligned because of stuff that happened fifty years ago when a half baked idea was rushed to the jungles of Vietnam by a moron (Robert F. McNamara, worst SECDEF in the history of the United States…but that’s a different argument).

    • avatar
      Tom
      May 20, 2012

      Try again.
      I was not in Vietnam, but I was getting close to being drafted when the war ended.
      I did have older friends who were in Vietnam and it seems that the M16 performed differently as it was refined during the war.
      Early deployment of the M16 was beset with ball powder used in M14 which was not very clean burning. The bolt and other parts were not chromed, soldiers were told it was self cleaning and quantity of cleaning kits were insufficient, poor lubricants were used. Gun was labelled crap by the early users of the weapon, and they wanted the M14.
      Friends who were there around 1967, Tet and 1968 stated the M16 was OK if you kept the thing spotless. It was improving, due to much more more cleaning and different powder.
      Friends who used the weapon after the Hamburger Hill episode in 1969 and 1970 got along with the M16 fine as many subtle items had changed, including many chrome parts. Most actually fired the M16 in semi auto surprisingly enough.

    • avatar
      Jim Barrett
      May 20, 2012

      As with the other posters, I agree completely, that I am grossly under qualified to render a verdict on DI versus Piston. All I meant to do here was to restate the various positions on the two systems as if I had not done so, someone else would have in the comments. While I certainly do not have the real in the sh*t experience that you obviously do, I can say that my 516 is easier to clean than my Colt was. Whether this makes a bit of difference to someone under fire is not for me to say. Instead, I simply offer my experience to those folks who are likely considering buying this rifle for their own shooting needs.

      I also concur with the others who thank you for your service. You and the other brave men and women who put your lives on the line to protect us in our fat and happy lives are owed more than we can ever repay.

    • avatar
      DJ
      May 21, 2012

      I was over there in the same time (Baghdad, ’04). My team wasn’t involved in any of the firefights (we were executive protection – different gig), but we want to see how reliable the M4 was, so we ran 400 rounds through one on the range with similar results. It got hot, but no failures to function.
      I never had a reason to complain about the M4.

    • avatar
      Esh325
      May 21, 2012

      I don’t claim to be an expert on the matter, but the French had fought for years in Indochina and did not complain about the lack of chrome lining on their barrels.

    • avatar
      counihan
      May 22, 2012

      I also have to agree with the colonel. The DI system does have a bad Rep that is not entirely deserved. I, like most soldiers, have countless thousands of rounds down range through M4′s and haven’t had the terrible experience described by the piston people. News flash: direct impingement works, and works well. The M16 Jammomatic was remedied before I was even born. You can dump a full combat load (210 rounds) and dump your buddies and still have a functional weapon. A crazy hot functional weapon. The only advantage I see to a piston gun is the lack of fouling and heat transfer. I have been concerned about cookoffs in the past. A piston kit would prevent that from happening.
      Now the M2 and M249 do deserve their reps. I hated the saw and maintenance on an M2 is a beast.
      Good on the brass for stepping up and defending a weapon system that served me and my brothers admirably. I appreciate you LTC F.

    • avatar
      Longbeachyo
      November 8, 2013

      Well said. Thank you for your service.

    • avatar
      James
      December 4, 2013

      I have been through the first and second Gulf/Iraq wars/conflicts, and Bosnia to Afghanistan. The DI has had several issues coming from Crane via the manufacturer. The issues are not just from Vietnam, but has had many faces of bad since then. Stoner weapons now Knights arm. has taken up its torch and has a problem with commercial off the shelf products. Crane has issues with its QA, and has sent items to commands without firing pins (for one of numerous examples). I also have been in and around Sadr City but was not low on the priority to have to wait for an AC-130 for support. So when you had to wait for you gunship be glad that you had a gun that worked in its operational/combat ready timeframes. Bad stage example: WHen we pushed to 10 in uppers we also shortened the gas tube and created an extraction issue for a start. Its funny all of the things they tried to fix it, and I still have slides on it.
      As of right now the DI systems are working great, and you can put over 1000 rnds through it in most AO’s, provided you are using the correct lube for your AO.
      More to follow, maybe later.

  4. avatar
    Tarrou
    May 20, 2012

    Second the LTC F (although god help me if that’s his rank, I do hate to agree with an officer)

    I’d heard all the stories about how the M-16 sucked and had a pussy cartridge and had terrible reliability. They’re not true anymore, if indeed they ever were. I’ve got thousands upon thousands of rounds through an M-4 and M-16s. My last weapon was so shot out you couldn’t even see the indent of the rifling, just a faint swirl. I’ve used those weapons on deployments, and never had one seriously jam. Only a couple failures to eject, attributable to hard use/misuse and easily remedied. I love the weapon system, and am in the process of rebuilding a civilian model similar to what I carried. The standard AR mechanism is certainly rugged and accurate enough for military use, which means more than any of us are likely to put them through. That said, I’ve spent many hundreds of hours cleaning that weapon system, and it is a fucking monster to clean. Totally impossible to ever get all the fouling out of the action. I once cleaned the same M-16 for five days straight, twelve hours day, and the Drill Sergeant could still dig carbon out of some crevice or another. Doesn’t affect the functionality, but damned if I wouldn’t have liked an easier cleaning job.

  5. avatar
    Joseph
    May 20, 2012

    LTC F, thank you for your service sir. The opinions of those who have “seen the elephant” are worth 10,000 gun shop commando opinions. Thanks again.

  6. avatar
    KC
    May 20, 2012

    Nice rifle, shot it at the Rifle 101 class I took at the Sig Academy (also a nice course for anyone new to rifles.) Although I did have a double-feed in the only 80 or so rounds we shot. The instructor had a double-feed he couldn’t clear in the field but that was on a full auto 516 he brought out to demo to us. To be fair their guns get a ton of use I’m sure. And you clean what you shoot at Sig – so how well cleaned/maintained the borrowed guns are, well… You get 20% off stuff in their pro shop when you take a course. I asked what they had in stock for the 516 and they said nothing and probably wouldn’t have one for 6 months. I asked to put my name on the waiting list and they said they didn’t have a waiting list system setup so to just check back. I can’t imagine that’s good for sales. Then again most gun manufacturers probably aren’t hurting for sales right about now. No matter how good the gun is and how much the discount is if you want something bad enough how long will you wait with no guarantee of getting one before you give in and buy something else.

    • avatar
      KC
      May 20, 2012

      FWIW if I remember correctly my problem wasn’t a double feed, I think I had a failure to eject and a new round fed and wedged the spent round in the chamber but I cleared it. The instructor explained his problem as a double-feed. His rounds were so wedged into the feed ramps(?) that neither round was willing to come out.

      • avatar
        Derek
        May 21, 2012

        I believe your malfunction is called a stovepipe. They’re probably the most common malfunction for any firearm as they have many different causes. Bad ammo (low pressure), stiff springs from a brand new gun, friction on moving parts from fouling or lack of lube.

        Fortunately, they’re the easiest to clear. Tap-Rack. Smack the magazine to make sure it’s properly in place and cycle the action.

      • avatar
        Zip
        January 6, 2013

        Magazine issues cause em the most.

  7. avatar
    Justin
    May 20, 2012

    Love my 516 Patrol, accurate and reliable and only payed 1250 for it. just wish I could justify spending another 1000 bucks for an acog. But another part of me just says hey that thousand bucks could buy more guns instead.

  8. avatar
    Chad Haire
    June 1, 2012

    This is a good buy for the money I guess, but I ordered one of these in 7.62×39 thinking it was my dream rifle. What a mistake. The front plastic forearm rattled, and the magazine well is far too wide, causing AK mags to wobble back and forth, more rattles. And there is still NO FRONT /REAR battle site offered, only a red dot setup, limiting your range to about 200 yards. Geeze, I can do that with a AK.
    I sent it back without firing it. I like Sig products, but they have done a lot of stupid stuff lately…

  9. avatar
    Chad Haire
    June 3, 2012

    NOTE Follow Up: I realize the above tester rifle is based on the AR and not the piston patrol rifle in the 7.62×39 that I was complaining about. But there was nowhere else to attach to a SIG rifle test. Sorry if I was confusing anyone here, but was in a hurry. (I do like the AR in DI and use them).

    • avatar
      Zip
      January 6, 2013

      I wouldn’t worry about it. Most Sig owners know the Sig’s whole lineup. And yup everyone in the Sig community knows about the early 556′s especially the 556R’s problems. I only own 2 later gen 556′s and haven’t seen the probs of the early guns. But every gun make puts out a lemon every now and then. I own around 17 AK’s 7 are Arsenals and one of em is a .223 SLR 106 CR and everyone who knows AK’s knows NOT to SBR a 5.56 Arsenal as the straight walled case of the 223/556 round can cause parts wear and malfunctions to the CR and UR guns which have a shorter gas system. Imo its a similar problem the 556R had with the 7.62×39 round tho reversed.

  10. avatar
    Scott
    August 26, 2012

    The SIG is a beautiful AR, but I bought the S&W M&P 15PSX instead, (piston and quad rail), for the simple reason it has the more appropriate 9″ twist. The military’s 7″ twist has to be suffered if you *really* plan on a diet of tracers, but it’s way too fast for 62 grain M855 and, of course, insane for 55 grain.

    • avatar
      Zip
      January 6, 2013

      Yup love my ACR for the very same reason. Don’t know why so many people want to shoot heavy bullets. And no a 7″ will work with a light round just not as effectively. My SCAR 16 has 1 n 7″ twist and shoots 55′s fine just like I said not optimally. Barrel twist is mainly for bullet weight.

  11. avatar
    Rooster Grady
    September 28, 2012

    I have 27 years experience with all sorts from mortars, to field, to heavy arty in addition to all sorts of small arms from 1903′s, Garands, AK’s and M4′s. By and far the best weapon mentioned is the M4. In my humble opinion it is simply put the best weapon ever made! Of the M4′s I have fired Olympic, DPMS, Bushmaster and of course Colt. My favorite is the Smith. That is the one I own now. With a VX3 Leupold 3.5×50 scope.

  12. avatar
    Chris
    November 25, 2012

    I havent owned or even shot a 516 but after this review i want one.. I was in the army for 5 years 04 to 09, i did have an opportunity to but an m16 through its paces.. i had ~450 rounds that i was instructed to shoot in about 3 min.. i can say that at the end of that firing exercise the gun was dirty as all hell and jamming every round the last mag.. but my guess it was because the barrel was hot as hell and causing problems.. but hey it can do it. i would love to shoot one of these 516s..

    • avatar
      Michael
      November 26, 2012

      Chris, When the time and budget is right, God Willing with these tough times, I would Highly Recommend a look at either Sig Sauer Model; Sig 516 or Sig 716 Rifle. With All Cost, Brand Name, Company Name, Endorsements, Pistons, Non-Pistons, Barrel Length, Ammunition Type and Availibility, Magazine Capacity,and Types, Colors, Coatings, Servicability, Reputation, Influence, Destructive Power, and Multi-Caliber Capabilities, Most People Will Agree, That For The Money, You Get Alot Of Gun! These Rifles Come Packed With a Mutitude Of Accessories Out Of The Box With Just About Everything You Will Ever Need, And Then Some! Remember, We Are Not Talking About Things You Think You Need!, Such As a Better Trigger, Flash Hider/Compensator, Buffer Tube, Rate Reduction, Components and Springs, Or New Hard Chromed Bolt Carrier Assembly’s Etc!…This Was Thier Introduction Into The Semi-Auto Assult Rifle Family Of Weapons. Sig Sauer Designers Wanted A Rifle That Functioned Reliably, While Giving The Customer Just About Everything You Will Ever Need Out Of The Box To Get The Job Done!- Period!- You Know, I Really Hate To Say Negative Things About Other Firearms Companys, (Seriously) I Love All Firearms!! They Are Basically Functional Pieces Of Art As I Am Concerned. Most Gun Makers Charge A Premium, On Certain”Often Needed” Performance Enhancement Parts And Accessories, That We Sometimes Can’t Live Without In Most Situations. These Other Premium, Often Well Known Firearms Manufacture Company’s Don’t Really Care About Your Bottom Line And Call These Extras, ADD ON FEATURES!! -This Is The Reason,- I CHOOSE SIG SAUER! PERIOD! – THINK ABOUT IT.

  13. avatar
    Greg
    December 5, 2012

    As a Vietnam combat vet I fired the M-16-A1 a couple of times in long engagements and had zero problems with it. By 1970 all of the issues the rifle had earlier were cleared up, and we had some weapons in our unit that were VERY well worn, shot out, beat up beyond belief, broken furniture ect…and they still worked fine. The M-16 in all its later guises is way more reliable than folks give it credit for. I have shot DI guns as a civilian for decades, mostly Colts, but I have two piston guns now, an Adams Arms base middy and a SIG 516, and these rifles are as fine a shooter as you can get! The AR platform built with modern materials, a tweaked and more mature design, with modern stress relieved bbl’s and modern metal coatings is just an amazing piece of tech. The M4 is a great weapon, but comparing it to a 516 is apples and oranges.

    • avatar
      Michael
      December 5, 2012

      Greg, sounds like maybe its time to step up to the big leagues! Next Stop Sig 716- And the really great thing, besides awsome firepower, attitude, weight, new round, authority, shoulder bashing, noise, people wondering what the hell you are shooting, wanting to shoot it, making crazy faces and laughing thier asses off after the first couple of rounds fired, intimidation, higher ammo expense, purchase of extra mags, maybe a bipod, new padded rifle carrier, alot more ammo selection with higher cost, YOU STILL GET ALL THOSE EXTRAS! If its in your budget you wont be dissapointed!

  14. avatar
    Zip
    January 6, 2013

    Service, law enforcement or whatever I won’t say as to me this is the internet for all I know bozo the clown is on the other end. So I won’t say what I do as it doesn’t matter and I have no need to prove anything to some strangers online. With that lets just say Ive been shooting and collecting for over 40+ years. So my collection is quite sizable but Im not one to brag. So regarding the Sig I own 3 516′s 2 are SBR’s, 2 555′s, a 716 and a 522 along with 5 pistols. And for QC and functionality their all great and run flawlessly on par with my 2 HKMR556 one has a 10in 416 upper and a MR762. I even like em more than my SCAR’s 16&17. My latest Sig was a 10inch 516 Gen 2 it has a different BCG and piston rod system, along with some other minor fixes and changes like a CTR Stock and Miad pistol grip and it comes with a bit more accessories, sling, rail covers etc.

    Don’t know why all the fuss over DI vs PS. Some seem to think Pistons on AR platforms are new. They aren’t new at all anyone who knows firearms knows Eugene Stoner built the AR-10 and the Stoner weapons system etc around the same time as the AR-15 in other words ALL his other designs were of piston origin and around the same time period. Pistons guns were around decades before, DI guns which btw (DI) can be counted on one hand.

    Now no one is arguing the DI gun works. But only if its maintained. But FACT is block the gas tube and you’ll have a major failure.. Don’t believe that? Go load up a DI gun, go get some water etc in your gas tube and pull the trigger and see what happens. In fact just immerse the gun in mud, water or sand and pull the trigger.

    And do own a fair number of AR DI guns and uppers so no bias here. But facts are facts a blocked gas tube is BAD. Why do you think their replacing it? And why did they issue it in Vietnam instead of a piston gun? Simple…Cost. A DI gun was much cheaper than a piston gun. It’s not the 1st time the Govt gave troops the shaft. From the civil war with union troops issued muskets while repeaters were available and or the Sherman in WWII and yes to the early days of Vietnam. Its always about the buck.

    Sorry for the rant. For anyone interested in the Sig 516? Get one..Tho at the moment with all the anti-gun ban hysteria going on it’s pretty much impossible to buy any tactical rifle, mags and ammo. The old bag Fienstien…One of the biggest murderers ( her past bans have killed so many) and gun sales woman in history as she’s caused the greatest number of firearms sales in the history of the planet.

    • avatar
      Zip
      January 6, 2013

      Haha.. I mean’t 556′s not 555′s.

  15. avatar
    M Mahy
    April 27, 2013

    Zip is correct, Stoner did design a piston rifle and the government opted for the cheaper version. I have a 716 and a new 516 gen 2. So far both are outstanding. I will agree with others on the DI rifles, it works great. The only problem I ever had was rings wearing out on the bolt turning my rifle into a single shot. Probably my fault for not lubricating properly.

  16. avatar
    Jerry
    May 2, 2013

    So it is down to three and the local gun shop has them all. 516, 716 and a billet Wilson combat light. I have one Sig gun, work great, etc. I realize the 716 is the odd duck here, but I always wanted a .308 but with Ammo prices so high and two boys 14 & 16 that like to go ‘bam, bam, bam’ I am now back to the 516 vs the more expensive Wilson. Also, the concussive force from a .308 at the local concrete with overhead range makes shooting them obnoxious, breaks my heart. I see the Sig as more utilitarian and the Wilson more of a boutique offering. I think the question I have is will the Wilson be any more accurate than the 516? I can’t seem to find a solid comparison, just lots of opinions.

    I’ve been shooting for over 45yrs and can hold a good group, study ballistics, etc. so I am pretty sure I can take advantage of all either gun has to offer in accuracy. Initially wanted a 3000 but was told 8 months here in California. I don’t want to have to swap trigger, barrels, etc out of the box. Both guns feel pretty tight. I will probably shoot 5 to 10 boxes a month, probably double or even triple that for this summer. Scope will be higher-end as well as ammo.

    Thanks. great site.

    Jerry

  17. avatar
    TLG
    July 5, 2013

    Has anyone had any experience using Hornady .223 Match Grade 75gr. I am thinking that because these are a little heavier that they will shoot better in the 516 than some lighter loads even in .556. Any thoughts are welcome.

    • avatar
      Brent
      September 30, 2013

      Have you tried any of the Hornady .223 rounds yet??

  18. avatar
    Brent
    September 30, 2013

    I’m courious about the Hornady .223 75gr. BTHP Match, as well and the 60 gr. V-Max, and the Super Performance.. Any suggestions on rounds for Hunting Yotes with the 516 that will be accurate and cycle good??

  19. avatar
    James
    October 15, 2013

    You can’t go wrong buying this Sig 516. Trigger is just fine. It’s an incredible rifle.

  20. avatar
    Jeff
    December 2, 2013

    I understand where the writer was coming from on the trigger. I have a 516, as well as a RRA CAR4 with a match trigger. After you get used to a nice 2 stage trigger, everything else seems not quite up to par. The 516 trigger is what I would call “standard” and I also agree they could have done themselves a favor putting a “nice” trigger on an otherwise exceptional weapon.

  21. avatar
    Ed
    December 6, 2013

    Well, I’ve read all the comments and I must say that you all are incredibly knowledgeable. I appreciate all the wisdom I’ve been able to peruse. As a firefighter whose never been in combat, I greatly appreciate all of you who’ve served abroad and in combat while I work comfortably driving my 40 ton ladder truck around my first due. I’m off to get myself the Sig 516 tomorrow. I’ve had nothing but great function from both my P220s and I’m ready to add the 516 to my collection. Does anyone have any specific alterations to suggest.
    Thanks in advance.

  22. avatar
    JessieFromAL
    December 24, 2013

    Let me begin by saying thank you to all those who preceded me in this thread and served to protect me.

    I have never served but I have had to depend on my weapons to defend myself and my property from REAL criminals, a dozen or so who ended up cuffed by me and in jail. I understand the importance of reliable and effective weapons. I am smart enough to seek the advice of friends who have been where I have not. Those friends run the gamut from Vietnam to Panama to Bosnia to Iraq to Afghanistan and they have ALL done real work.

    I shoot with most of these guys pretty regularly. Every single one of them has several AR-platform rifles and not one of them is a piston machine. I understand the design and theoretical advantages of a piston AR, but EVERY SINGLE ONE of my friends that have used this platform for it’s intended purpose, has a DI system.

    I am pretty certain that my uses will not exceed the operational demands that they experienced.

    That means I have a hard time paying more for a more complex system and own DI platforms.

    With ALL of that said, I think SIG is one of the finest manufacturers of arms on the planet, I thoroughly enjoy my 226 and 239 and don’t see how anyone could go wrong with this beautiful rifle.

  23. avatar
    Blackwater
    January 29, 2014

    I’ll just say I love my 516. I did change the stock trigger out for a Timney which does make it a 5 star gun to be sure.

  24. avatar
    Chad
    March 9, 2014

    I agree 100% with your review. I swapped the stock trigger with a Geissele SD-3G. If you put one of these triggers you will throw rocks at the bump fire stock. I also swapped out the Magpul stock for a VLTOR IMOD (just one of my favorite stocks). I own both an HK 416 Upper and a complete MR556A1. The Sig has been as reliable as both. While I still like the slightly better accuracy of the MR556A1, it isn’t a deal breaker to use the Sig. Sig has truly outdone themselves. I bought my 516 for $1350+ tax. So for the price of a good DI AR, you can get a good piston gun…

  25. avatar
    Thomas Odom
    March 25, 2014

    I have a Sig 516 and a Sig 716. The only thing I didn’t like about the two rifles was the trigger. I dropped a Giessle SSA in both and that made a world of difference. It also makes for great consistency in feel when switching between them. I run both with suppressors. I found the 516 to be a bit finicky on ammo when talking accuracy. hopefully I will try them on some hogs once turkey season closes.

  26. avatar
    MikieG
    April 10, 2014

    The reviewer has overlooked a couple important facts. Firstly, the 516 has an ambi mag release. This is important for a hammer gun who is intended to serve as a primary blaster.
    Mine did not come with ambi selector nor the hard case. Hmmmm.
    Secondly, other than poor or damaged mags, nearly all stoppages in the Ar15 are due to failure to extract or failure to eject. Interestingly as these are both reliant upon very small thin springs found inside the bolt. This is also where we are dumping hot carbon laden gas to operate the weapon. This continued cycling of heating and cooling these two extremely important springs causes them to lose temper thereby lowering their operating poundage thus inducing stoppages.
    So as we can see, ease of cleaning is just a bonus as the real advantage is the cold bolt and chamber environment.
    And lastly. The DI system only exists because it only costs $3.75 for a gas tube with roll pin and a gas key on the carrier with two screws. The piston alternative would add over $30 to each rifle’s cost. Folks, we have bought alot of rifles.

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