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Most folks knows Apple computers started in a California garage. Less well known: the modern small arms industry was born the same way. “America’s rifle,” the AR-15, owes it genesis to not one but two post-War California aircraft company employees and backyard gunmakers: Eugene Stoner, Design Engineer for Whittaker, and George Sullivan, Chief Patent Counsel for Lockheed. When Sullivan convinced the gun enthusiast running Fairchild Engine & Airplane Corporation to set-up ArmaLite, Stoner and his patents formed the basis of the new venture. The California-dreamin’ start-up applied advanced aeronautic plastics and alloy technology to the business of making guns.

The original plan: hunting rifles. After the AR-5 found favor with the military, Stoner and his crew set their sights on the Big Kahuna. In 1955, the Army was looking to replace the M1 Garand  with the Springfield Armory T-44 (an updated Garand) and the T-48 (a version of the FN FAL).

Stoner’s AR-10 was a revolution. It featured an integral carrying handle with an internal charging handle mounted within. Because the bolt locked into a steel extension on the barrel, not the receiver itself, the AR-10 could be built with aircraft-grade aluminum receivers. Where the T-44 and T-48’s stock and other furniture were wood, the AR-10’s was plastic. The gun weighed less than seven pounds.

In the end, the AR-10 didn’t make the cut. The T-44 was adopted as the M-14 rifle in 1959. The AR-10 fell victim to its own weaknesses (normal in early models of any product), prejudice within the Army Ordnance Corps, and the other rifle makers’ political juice. So Armalite scaled down the original AR-10 design and built a lighter and smaller second gen AR-15 in 5.56 x 45mm caliber. Ultimately, Stoner’s bosses sold the design to Colt Industries.

After a fortuitous luncheon meeting and a product demo (blasting watermelons), General Curtis LeMay of the USAF ordered 15,000 of these “cute” little AR-15 rifles for the USAF. Over 10,000,000 M-16s/M4s/AR-15s later, provided by a number of different USGI approved manufacturers, the AR family of weapons is to the free world what the Avtomat Kalashnikova (AK) series of weapons is to many of the bad guys we face on the world’s battlefields: the symbol of what we stand for.

The AR-series of weapons is also one of the longest running American service rifles (killing bad guys since 1966) in history. It’s still going strong with its latest variant, the M4. But that’s the subject for another story.

With today’s modern battlefield stretched out across the deserts of Iraq and the mountains of Afghanistan, the 7.62 x 51 NATO class of weapons are making a comeback, thanks to their extended range and increased one-shot knockdown potential (when the 147-gr NATO projectile finds its mark). Armalite is still making its AR-10 in many different flavors and shipping them overseas for the good guys to defend our freedom, 55-years after they lost the competition to the M-14.

Although ArmaLite still makes the “original” military model AR-10 with the front sight post and built-in rear carry handle and iron sights, Armalite also manufactures a complete mix of other models, some with an A4 style upper (flat top with Picatinny rails for adding optics, lights, lasers, grips, etc.), short 16-inch carbine barrels, stainless steel bull barrels, different color furniture (black and green), free float handguards and lots more.

The AR-10’s a little heavier than the standard AR-15. There’s more metal; especially with our test AR-10T with stainless steel bull barrel. The magazine well is also about a half inch longer to accommodate the larger 7.62 x 51 NATO round and the bigger and heavier magazine required to feed this auto loader. The bolt on the AR-10 is also HUGE compared to an AR-15’s, to better handle the harder kick of that potent 30-caliber round.

The action spring and buffer are similar to the AR-15’s; the gas tube above the barrel terminates in the upper receiver and connects to the gas key atop the bolt carrier group; the charging handle is in the same place and works identically; the takedown pin, pivot pin, safety, bolt catch release button and magazine release button are all in familiar places and do the same things.

The AR-10’s bolt differs from the AR-15’s. The three separate gas rings located on the front side of the AR-15’s bolt are replaced by a single gas ring, wrapped three times around the bolt on the AR-10. Another noticeable difference: the firing pin on the AR-10 is spring-loaded. It requires a slightly different hand position to snug it back into the bolt.

Other than those minor differences, if you are familiar with the AR-15 platform and operating system, you will be eminently familiar with the Armalite AR-10. Just get ready for a slightly louder bang when you pull the Armalite’s most excellent two-stage trigger.

We tested this Armalite AR-10 late one afternoon at the Freeport range on Long Island. We were limited to shooting at 50-yards. That said, sighting-in a 7.62 x 55 NATO M-14 or AR-10 weapon is easy and rewarding; a 20-inch barrel firing a 30-caliber round yields fairly flat shooting results. Most of the cognoscenti know that by zeroing-in the weapon at 45m, the ballistic curve determines that it is also zeroed again on the backside of hte slope at 200m, with a midpoint of approximately 1.5-inches high at 125m or so.

Bottom line: by setting our sights for 45m, we could determine what this weapon would produce at 200m. But that brought us to the next challenge. Sights.

Since it was an A4 design with a low-profile gas block rail (no front sight post) and a Picatinny rail on the upper (no carrying handle with built-in rear sights), our Armalite AR-10 did not come with any means of accurately aiming our stash of Winchester 7.62 x 51 and .308 WIN ammo downrange.

Scrambling to make something happen, I took one of my “old reliable” A4 upper optics: a Trijicon 1 x 24 ACOG red dot reflex sight meant for other pursuits. I figured it would do in a pinch. It did not disappoint.

Our test rifle had made the rounds with a bunch of other gun writers. So I field stripped the weapon. After giving the BCG and chamber a good cleaning and lubing it with Break Free CLP (like all D/I gas ARs, this AR-10 likes to run wet), I put her back together with no extra parts (always a plus!).

After attaching the Trijicon ACOG via its sturdy two screw frame to the AR-10 A4’s Picatinny rail and positioning it for maximum visual ergonomics for my aging dominant right eye, it was time to send a few practice rounds downrange and to sight her in before the big test.

Using milsurp NATO ammo from Belgium, South Africa and Germany that ranged anywhere from 20-to-30 years old, I tested the feeding and functionality of this AR with low-grade stuff, just to see what she could do. After blasting 80+ rounds without a hiccup, it was time for the “real” challenge with our supply of the latest and greatest COTS (commercial off the shelf) 7.62 x 51 NATO and .308 WIN hunting ammo, generously supplied by Winchester.

The only problem with using a 4.5 moa reflex sight when attempting to do precision work: there’s a mismatch of sorts between the tool and the expected result. Additionally, we were sling-less and our bench was bare. No sandbags, lead sleds or any of that stuff.

So we did an accuracy test the old-fashioned way, testing the hold quality of my sitting position and how quickly I could recover my sight picture after each jolt of this potent 7.62 NATO jackhammer and the 4.5 moa dot covering half of the target’s black area.

With local AR aficionado and TTAG contributor Brett Solomon providing the spotting duties, we proceeded to sight her in and made the final adjustments to the windage and elevation screws on the Trijicon, sighting this AR-10T in for the 147-gr NATO ammo.

Not all manufacturers of auto-loading 7.62 x 51 NATO weapons give you a trigger as sweet as this Armalite’s two-stage version. It had a smooth take-up and a crisp finish, time after time. The Armalite folks claim the first stage has a 2.5-pound pull in the take-up stage; with 4.5-to-5 pounds of pull in the second stage. I didn’t have a spring scale with me to double check these specs; the numbers felt right from a touch and feel standpoint.

With its 20” triple lapped 1:11.25” twist stainless steel bull barrel and rudimentary optics, I wasn’t quite sure what to expect from an accuracy standpoint. After a few minor sighting adjustments, we printed a 5/8” inch group for five shots that looked like two clover leaves of sorts with Winchester’s 147-gr FMJBT NATO ammo.

Given our aforementioned delimitations, this excellent result backs up Armalite’s claim of 1” moa at 100-yards. Keeping the sights locked in for the NATO ammo, and then using some of the .308 hunting rounds to observe the apparent POA/POI differential, most of the lower powered .308s were hitting a bit low and left, which is what you would expect.

The 150-gr Winchester Power Point printed a very nice 10-shot group, as did the 168-gr Ballistic Silvertip. By the time I eventually got around to shooting the 180-gr Power Point, my shoulder was a little sore and my hold wasn’t the best, as reflected by the results on target.

The “hottest” round of the bunch was the 168-gr Ballistic Silvertip. Each time I squeezed the trigger, it felt like a 12-gauge going off. If you’re hunting big North American game, this ammo should drop it with a single well-placed shot.

I was expecting the 168-gr Hollow Point Match ammo to run the tightest groups with the ArmaLite AR-10—which it did not. It may have at greater distances. Proof positive that each rifle will tell you which ammo it likes best. It’s your responsibility to figure that out before you’re shooting for real.

The best thing about this Armalite AR-10T is as the name implies: it’s an AR. It’s eminently modular. You can mix and match whatever upper you want with the lower  “rifle.” This plug-and-play concept explains the growing popularity of AR-style weapons, both with consumers and the military forces of the free world.

Accuracy and reliability with our AR-10T were a 10 out of 10, right out of the box. After sending approximately 250 rounds downrange, I can attest that the AR-10 went bang every time I pulled the trigger.

The ArmaLite AR-10’s build quality was also 100 percent, with a super tight fit between the upper and lower; absolutely no “shimmy shake” between the two major components. The triple lapped stainless steel bull barrel had a lot of mass to dissipate the heat after quick follow-up shots, which enhances its accuracy potential. The M4 style feed ramps (a smooth transitional cut into the lower and the barrel extension) were a nice touch and further enhance smooth feeding and reliability.

On the down side, the oversized barrel also made the ArmaLite AR-10 a bit muzzle heavy when pointing it down range. It almost requires a bipod to neutralize this quirk (which is easily added to the free float tube without compromising accuracy and/or barrel harmonics). Other AR-10s (the standard military A2 model) don’t exhibit this “muzzle heavy” problem; they’re g2g when shooting offhand. The 10-round magazine supplied with  the ArmaLite AR-10 was also a little balky and a PITA to load. However, it fed reliably.

The ArmaLite AR-10 is a joy to shoot. With a list price of $1,892, you can add one to your collection without breaking the bank, and you can’t beat Armalite’s [non-transferrable] lifetime warranty. But more than that, buying an AR-10 makes you the proud owner of a genuine piece of history and American gun-making genius. It’s fully-functional weapon that still shows the world, and the bad guys, how it’s done.

RATINGS (out of five):

Style * * * * 1/2

Timeless original AR style…only bigger. Form follows function wonderfully on this weapon.

Ergonomics * * * * 1/2

Once again, typically AR. Everything is in usual the place where you would expect it. The AR-10 just uses a bigger projectile and makes a louder noise when it goes bang.

Reliability * * * * *

250 rounds and counting; everything and anything, all the time, every time.

Customize This * * * *

Our AR-10 had a Picatinny rail on top of the upper receiver in the usual A4 configuration. Would love to have seen additional rails at 0/90/180/270 degrees on the free float handguard, like found on some competitive models (like Rock River).

Overall Rating * * * * 1/2

Still found doing business where good guys clash with bad guys around the world over 50 years after it’s introduction. Timeless design and reliability. Gotta get me one of these.

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29 COMMENTS

  1. Nice review, I have a ar-10 a4 carbine "ARMALITE". The rifle shoots like a dream no problelms at all. I am glad I sold my dpms .308 ap4 carbine so i could get the armalite. The dpms was an pretty good gun but it dosen"t compare to the fit and finish and reliabilty of the ar-10 "ARMALITE". Great gun get one you won't be disapointed.

  2. I watched every segment. And learned alot more than I knew prior to the videos, and the text sections. Thanks for taking your time to share your wealth of knowledge.

  3. I own an AR-10A4 SPR with a Nikon Monarch 3-12X42 BDC scope on it and I wouldn’t trade it for the world! I have owned too many AR clones over the years to count, both before my service time and, since I carried one for a living. There is just a marked difference in feel, fit & finish in the Armalite that you notice when you look at it, hold it & fire it. I mean, it’s the ORIGINAL! You know you have the real deal when you own an Armalite! Like owning & driving a Mustang after driving a camaro or dart/challenger, etc. Sure, they all do thier thing but they are all “wanna be’s”, the Mustang is the Original “Pony Car” and the Armalite is the original and only Real “AR”. Oh, BTW, mine shoots subMOA no matter what ammo I put through it. Surplus, factory fresh any brand, or my handloads. It is just an awesome shooting rifle. As a Disabled Veteran my only regret is that I can’t afford to buy one of every weapon Armalite makes! So, save your money, and by the original, and the Best, ARMALITE!

  4. Just got back from my local gunshop. The owner said that another customer had just sold a gently used AR10 A4 and wanted to know if I was interested. You bet was my immediate reply. The rifle was fired 10 times allowing me to get into this great rifle at a little over half price. I realize that I’m not covered by Armalite’s lifetime warranty, but for the price I paid, I really don’t care. I’ve been through the Hk, FN, and Springfield 30 calibers, and this rifle if by far the best of the lot in my opinion as I went directly to the range and it made me a believer. 168 grain Black Hills yielded a 1″ group at 100 yards. So I believe their claim on accuracy to be genuine. And the familiarity of the AR platform makes the rifle very comfortable to settle in behind.

  5. interesting comment about the 168g match ammo not being the most accurate on the AR-10T. Armilite suggested this was the ammo to use for competitive shooting. Perhaps things have changed? Any comments?

  6. Proud to say I own two of these bad boys. Mine are both standard infantry models. They are my dream weapons. My 16 year old dropped a 150 lb hog like it was a sack of potato’s at about 150 yards. One shot Winchester ‘fusion’. Was awesome. Will make excellent defensive weapons if (when) the time comes.

  7. I have an Armalite AR-10 with PRI hand guards, noveske 18″ barrel and a magpul stock.
    This 308 will be in the family forever, it will never be sold. Its a fantastic firearm for any need

  8. You all do realize that the current Armalite corp simply purchased the name and rights in 1996, after the original company closed in the early 1980’s. Right?

    That said, these are awesome rifles with a richly deserved reputation for accuracy.

  9. Well, I shot nothing but 30-06 on my way to Nam and was more impressed with the .338 Federal in an AR-10. As soon as my broken arm heals up I’ll let you know how it performs. Now if I could find a good brake and have the muzzle threaded.
    Elk season is but 7-8 months away. Hope hunting bullets feed as well as FMJ. Thor

  10. I have about 300 rds through my ar-10a2 with a 20″ barrel never had a failure, can shoot sub moa out of the box. This is without a doubt my favorite rifle. My dad got one the same day consecutive #’s and his is just as perfect.

    We will both be carrying the this year on our elk hunt. The extra weight is worth the fun.

  11. I own a AR-10 match with bull barrel. This rifle came stock with adjustable rails and covers mentioned above. It also has removable covers for the same.

    I use mine with a Leupold Mark 4 LRX50mm. The total package is great and I plan on keeping it for life.

  12. i purchased the ar-10a4 with a 16″ barrel carbine wanted another ar besides my 5.56 i recently listed my ar10 for sale but thinking i may keep it becuase there hard to find now these days

  13. couldn’t afford the armalite bought a smith and wesson m&p 10 .308 and it works great. would love a real armalite someday though!

  14. Mine is an Armalite eagle. 24 ” bull with SA 4-14×56. If I can see it, I can hit it. Out to 1300yds.
    At 13.75lbs, the packing labor is worth the accuracy.
    It’s a smart man’s rifle.
    Thanks Eugene

  15. I purchased an Armalite Super SASS along with a Leupold Mark 4 LR/T – Best weapon I have ever owned, extremely accurate, extremely reliable.

  16. Yes, yes, yes… all of the above is correct to the best of my knowledge. Areo-precession Ar-10 match lower (because of state laws) with matching 20″ heavy barrel sporting a T free float. Sierra 175 HPBT and 38.5g IMR4895 is what I decided to load. Three round shot group in a U.S. Quarter @ 50 yards. (Rhine Group 762SASS.com)

    Because I had the Tactical free-float unused, I “had” to fit the lonely hand guard on a 16″ light contour upper recever and Eotech with hybrid scope. This is a serious pig gun that is capable of taking down deer @ a quarter mile. Very well balanced and Sexy as a rifle can be fitted!

    The AR platforms are a hunting rifle because you can drop it in mud, or coat it in dust, and still get the thing to function. you can jam it, but you can’t break it. A second bolt and firing pin in the buttstock should fix any AR in a jam. the most important thing is I can fix the things myself.

    ALL ARMALITE!!! Even in Iraq:

  17. I have my AR 10 for a few years now. Its a great gun love the fill the weight just everything bout the gun but one thing. The mags? Armalite mags are higher than other mags. Is there any other mags that will fit? I have tried a few but nothing will work.

  18. I have had the Armaite AR-10 for about 4 years and it is a great gun. For example, I also have a Remington 7600 which is a pump ,308 and the recoil is so harsh it about takes your shoulder off. The AR-10’s recoil must feel 50% less. The only mistake I made was to buy one with a carry handle because it limits your optics choices, I replaced the factory hand-guards with Midwest Industry hand-guards which then enabled me to install the Grip Pod, the combination vertical forend grip with built-in quick-deploy bipod, That takes care of the problem described in the review as yiu then always have a bipod.

    The best part is its versatility. You can use a 5 round mag for deer hunting then a 25 round mag for World War 3.

  19. Bought an AR-10 that had been traded in, and can’t for the life of me understand why. Maybe they didn’t like the weight. Oh, well, MY gain. Only thing I didn’t care for was how loud it is, so I remedied that by adding a supressor to the already threaded barrel. Added an extended eye relief .308 BDC optic and am stoked with the performance. Wish I’d bought one years ago

  20. Bought a 20″ Armalite AR-10. 7.62 X 51 cal rifle a few years ago and it is clearly my most accurate semi-auto .30 cal rifles to include tne M1A Springfield. If you add a heavy stainless stell buffer on the AR-10 (or even the AR-15 smaller cousin) the recoil is greatly tamed down to that of a AR-15, 5.56 cal rifle. Anyone familiar with an AR-15 can instantly transition over to an AR-10 rifle. The mags are a bit expensive, but that is because the AR-10 is not as prolific as the AR-15 rifle. I love the AR-10 rifle, it handles fine, just like the AR-15 rifle. You only live once so fo out and get the originsl Armalite AR10 rifle.

  21. I bought my AR10A2 in 2000 (my Y2K gun) back when you could get the carbine with green furniture and a 16″ SS bull barrel with muzzle brake. The muzzle blast with Hornady TAP is outstanding and tends to make other shooters leave the area. I’ve found that 110gr TAP is almost single hole ammo at 100 yards using my Aimpoint Comp M2. All I see is the red dot on the bull at 100 yards but when I get up to the target, I’m looking at a quarter to half dollar size hole. I’ve only seen one other AR10 carbine like it and my boss is wanting this one. Maybe I’ll sell, maybe not.

  22. What kind of adaptor or kit do you need to mount a sling swivel to the armalite tube free float handguard? I ask this so that I can mount my bipod to the handguard. Thanks for any help you can provide!

  23. NativH I have same exact one you describe. Paid 1800 with twenty mags,two sizes. Love this guy even more after reading about it.

  24. Have had my Armalite AR-10 A2 B, for a long time now. This is the ban era version that uses modified M-14 mags. With carry handle and a fixed two baffle break. Accuracy has been very acceptable, with even less than match ammo.
    And I have not had any issues with reliability or function.
    Thank you for your results.

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