Paul Levy is back and bursting with stuff to tell us about the Brownells AR-15 bolt-carrier groups. These BCGs are sourced from top-level manufacturers and gotta meet strict requirements to wear the Brownells name. The standard BCG comes with a hard, slick, extremely durable Nitride finish and is available in AR-15 or M16 configuration (both work fine in a semi-auto AR). The mil-spec version has a Parkerized finish and chrome-lined interior. Looking for a finish even tougher than Nitride? You can get your Brownells bolt-carrier group with an even harder Titanium Nitride (TiN) OR ultra-slick Nickel-Boron finish. The Hard-Chromed model is available with forward assist serrations OR Slick-Side for Retro Rifle® builders and folks who don’t want a forward assist. If you need to lighten up, the Lightweight BCG has the excess metal removed.
So what’s under the surface of a Brownells BCG? Each component is made from a steel alloy with the best combination of strength, durability, and corrosion resistance. (Paul spells out the specific alloys used.) Our vendors machine the components in-house to ensure exact fit – NO off-the-shelf, lowest-bidder, mystery-source stuff! The cam path is precisely machined to original military specifications, ensuring reliable locking / unlocking of the cam. Bolts are Magnetic Particle Inspected (MPI) to catch hidden flaws that could shorten the life of this critical component. The gas key is PROPERLY staked so its bolts can’t back out under hard use and cause your rifle to jam. On the outside chance your Brownells AR-15 bolt-carrier group should fail or fall short in some respect, it is covered by our Lifetime Guarantee!
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Just curious why no nickle teflon?
I love BCGs!
School of the American Rifle spec tested a Brownell's (what appears to be a) Mil-spec BCG and came away impressed. Here's the video… it's about 24 minutes, but if you're in the market for a BCG, I think you'll find it worthwhile. https://youtu.be/YtO_8R5F8gM
My birthday 🎂is July 4th. I would shave my eyebrows and send you the video with the BCG in it for an M16 nitride or the BROWNELL' S MilSpec chrome lined inside…. the are some of the nicest and just as good as the Top Teir names of other brands. Heck, any of their perfectly machined and coated BCG'S WOULD FUNCTION AS GOOD OR LAST AS LONG ANS ANY ON THE MARKET, I would put my eyebrows and my whole head of hair, and I have long hair like the AK-GUY.!.! 😆 😉 👍
Chromed BCG with NO serrations ETA?? Been out of stock for the last year.
Question, light weight bolt, will it cycle with sub sonic ammo ? With a buffer light spring . I cannot find a answer for this question.
Can you make video of the parts on an AR15 that most commonly wear out or need to be replaced the most frequently?
Hell yeah! Buy sell those parts boys!
So who is the vendor?
Is there HP happening before the MP testing?
I have one in mil-spec finish. VERY WELL MADE product.
Anyone notice the AT4 launcher?
3 most important components: barrel, bolt, trigger.
Bought a BCM BCG for my first AR-15 build. I hope its good.
Welcome back Paul, you have been missed by those of us who appreciate your reviews!!!
I buy based on price. All the steel is coming from the same forged bar stock. If the one I get is made wrong I send it back for replacement. Boom. Save yourself 100$
Very good selection. Wish you would have stated whether or not the semi auto (AR-15) carrier had a shrouded firing pin ramp.
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Real Brownells fans know these BCGs are manufactured from pistol slides