Strike Industries Sentinel Rifle offered by Primary Arms, top; Strike Industries Sentinel Elite Rifle offered by Primary Arms, bottom. Image courtesy of Primary Arms
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Primary Arms and Strike Industries have launched 10 new AR-15 rifles under the Sentinel and Sentinel Elite marques. The AR-15 rifles are chambered in .223 Wylde for no-fuss switching between 5.56 NATO and .223 Remington cartridges. Details:

Strike Industries Sentinel Rifle Series Specifications

Barrel: 16-in., .223 Wylde chamber, carbine-length gas system, manganese phosphate finish

Compensator: JComp Gen 2

Handguard: Strike M-LOK

Restricted State Availability: California-compliant versions

Weight: 6.625 lbs.

Price: $799.99


Strike Industries Sentinel Elite Specifications

Lower Receiver: Strike Sentinel Elite Forged 7075-T6 Milspec, Type III Hard Anodized

Upper Receiver: Mil-Spec 7075-T6 Milspec, Type III Hard Anodized

Handguard: 15-in. Strike Rail M-LOK

Barrel: Strikefighter 16-in. 1-8 twist .223 Wylde Cryo-Treated 416R Stainless Steel, QPQ Nitride finish, direct impingement mid-length gas system, Urban Fighter contour

Handguard: 15 in M-LOK Rail

Muzzle Device: Strike Industries J-Comp, 1/2 X 28 thread pattern

Restricted State Availability: California-compliant versions

Price: $1149.99


The 10 Sentinel and Sentinel Elite Rifles are exclusively available for purchase on



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  1. I like reading about rifles, but….

    The AR15 platform is the AR15 platform. Does adding accessories, or even making caliber conversions possible really make “new” AR15s?

  2. I mean let’s be honest most ARs should just come with the memecomp these days, unless somebody has something specific in mind. These guys get it.

  3. Okay, so, hope they sell a bajillion of ’em but, “New AR’s”?

    I don’t get that either.

    Now, maybe if they had like, say, a crossbow attachment that fired silver stakes at werewolves and wood stakes at vampires, well maybe then we’d have something truly new here.

    I was going to suggest a chainsaw attachment for zombies, but that’s been done to death already.

    • How about an AR with a shooting table attachment? Or one that reloads your cartridges and recycles them into the magazine?

      • With every trigger pull it cycles a mini-progressive press and then feeds them back in to the mag well.

        Please somebody diagram, 3d model, then actually build, this hilarious Rube Goldberg device!

      • “How about an AR with a shooting table attachment? Or one that reloads your cartridges and recycles them into the magazine?”

        Or one with a hedge trimmer bayonet.

          • “Sam,
            Harkening back to an earlier conversation! Nicely done!”

            We aim to please; so you aim too, please.

        • “We aim to please; so you aim too, please.”

          That’s what she (actually, in my case) said… 😉

          • @Sam
            “We aim to please; so you aim too, please.”

            @Geoff “Guns. LOTS of guns…” PR
            “That’s what she (actually, in my case) said…”

            Not gonna even try to visualize that.

            I first saw the phrase on a sign above the urinal at Billy Bob’s.

  4. Not interested in another AR clone. Wish someone would do something worthwhile, like build a good quality replica of the AK-9 using proper forged trunion’s that, unlike other domestically produced AK’s, doesn’t suffer catastrophic failure @ < 3k rounds typically.

    Need's moar 9 x 39, I'm jus' saying. I've had my eye on a VSS Vintorez parts kit for an age that there is no way in 9 hell's I can get that imported, because Thanks Obama.

      • PSA GF3 is the only one of PSA’s guns to have ever passed the AKOU 5k round destruction test. Every. Other. One. has failed. Given a sample size of one, I take that result to be an extreme outlier, given their history. Until there is demonstrably repeatable results, that’s a hard pass from me.

        Otherwise, I don’t any desire to get another AKM. That’s why I specified AK-9, Vintorez or a couple of dozen other models I didn’t mention specifically, that we can’t get.

        I already have a superlative AKM example waiting in the wings, the last I will ever own, waiting for me to build it. It’s of pure virgin un-fired FB Radom manufacturer, even the barrel is genuine, being built on a documented FB 80% lower. I had to accumulate 2 separate kits to get all of the parts, and depopulate another head spaced kit for the barrel alone, then sold the rest afterwards. When finished, I will sell the only remaining, and that will be it for me & AKM’s. An AK-103/104 is the only thing that piques my interest in 7.62 x 39 otherwise.

        AoA loves me, btw.

  5. “…for no-fuss switching between 5.56 NATO and .223”

    I thought 5.56 already did that.

    Yes, I am aware that the Wylde gives you slightly better accuracy with .223. I just don’t think it matters much to me. I switch back and forth with my 5.56 rifle and don’t care.

    If I wanted to shoot past about 500 yards, I’d use a more powerful cartridge. Speaking of more powerful cartridges, what are your thoughts on 6.5 Grendel. I’ve been thinking a lot about building one

    • 6.5 Grendel: a lot of fun: good ballistics, mild recoil, steelcase available (well, usually) for plinking and good brass for when you care.

      However: there are at least two different bolt variations, with in effect different depths, and you will want to make sure the variant you get is matched to the variant your barrel extension is made for. So, best to start by buying the upper as a complete assembly with bolt, or buy a “matched set of parts” from a single manufacturer.

      Regardless, get a set of go/no-go gauges to check your headspace.

      Faxon, if you order a bolt and barrel at the same time, will verify the headspace for you and engrave matching numbers on the bolt and barrel, if you ask them to do so. Costs $10 for the service. LaRue makes a very nice “ultimate upper” kit in 6.5 Grendel. And of course there’s always Alexander Arms for complete uppers; Bill Alexander was one of the round’s creators.

      The other thing is magazines. Regular 5.56 mags won’t work, you’ll need ones specifically designed for 6.5 Grendel.

      • Thanks for the Grendel input. I’m kinda simple, so I’d probably just get a PSA complete upper, or use a stripped lower and get a PSA build kit. I’ve had good luck with their build kit in 5.56.

    • I always think the same thing when I see “new” AR-based guns.

      If it’s not mid-gas, I don’t take a 13.7″ to 16″ gin seriously any longer. Especially given that reliable running 11.5″ and 12.5″ mid-gas barrels are becoming increasingly common.

      My answer as to why carbine gas: Because China and cheap parts, that’s why.

  6. “…no-fuss switching between 5.56 NATO and .223 Remington cartridges.”

    This is a very odd statement. I wasn’t aware that there was any fuss about switching. My entire process consists of 1 step: Have 5.56 chambered rifle, shoot both cartridges.

    Have I been wrong about this?

  7. Yahoo, more China-made parts on rifles for $800 to $1150 bucks…

    With Strike, if it doesn’t specify say “Made In America” on the item page, you can bet your rear end it’s not, especially if it says, “Designed in California, USA” or something like that.

    At least Primary Arms admits what parts aren’t U.S.-made!

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