Coated bolt carrier group (full auto version) for AR15, M16, or M4 machined from Mil-Spec 8620 aircraft quality steel with shrouded firing pin and Mil-Spec chrome lined interior. BCG includes the proper chrome lined and heat treated gas key. Gas key is secured to carrier with Grade 8 fasteners and properly staked per Mil-Specs. This ensures a strong staking and proper gas system functioning. The bolt assembly is CNC machined from Mil-Spec Carpenter No. 158® steel and shot peened for increased strength per Mil-Spec; includes tool steel extractor with spring and viton O-ring; firing pin chromed finished with firing pin retaining pin and cam pin.
HPT (High Pressure Tested) and MPI (Magnetic Particle Inspected).
Complete Mil-Spec M-16 Bolt Carrier with Bolt Assembly HPT/MPI Tested:
Purchased the mystic black BCG for my new pistol build. I put about 30 rounds through it and noticed the coating was chipping off on the cam pin. To be fair that is a part that gets a lot of abuse. I contacted cryptic coatings and they sent me a brand new BCG with little effort on my end. Thank you Karen, I will be buying from Cryptic Coatings again. Bryan on 29th Mar 2020
Since my first Cryptic Coatings BCG I was sold on the quality and reliability of the product. Simply the best -- Mystic Blue, Silver, and Black are my "go to" coatings -- I see no reason to use anything else! Bob C on 23rd Mar 2020
What a clean finish!! I got this .458 SOCOM BCG for my AR where it fits into the barrel perfectly, and I love it!! Great price, too! Rick on 9th Mar 2020
Got one of these in the mystic black for my daniel defense isr gen 2 and what a huge improvement over the stock bcg. This is the real deal just need a clean rag and the carbon from suppressed shooting wipes right off. I'll definitely pick up another one of these. Thanks james b on 9th Mar 2020
Being a lefty, I figured I'd have to wait a few weeks, at least, to see that my order had shipped. NO, it shipped the NEXT DAY! Even when ordering the LH Mystic Blue. And this thing is SLICK with an amazing finish. Haven't put any rounds down range yet, but I am already 100% happy with this purchase! Kirby on 8th Feb 2020
Cryptic Coatings comes through again, FANTASTIC products and service as usual ! Unknown on 20th Jan 2020
I picked up the black nitride left hand bcg for my AR. Ran a 160 rounds with it. All I had to do is put so clp on it and wiped it off. Mark on 16th Jan 2020
So glad I finally pulled the trigger on this. The Bcg shipped very fast in good packaging. This Bcg literally slips out of your fingers and everything is coated beautifully. Took it to the range and it made the rifle run so much smoother. If you’re on the fence because of the price just go for it. You won’t be sorry. Corey Cranford on 13th Jan 2020
Great price. Put one hundred rounds through AR hardly dirt. Cleaning is so easy. Great product!!!! Jim Anderson on 1st Jan 2020
Hi I've recently purchased my second BCG due to the fact I blew my other rifle up with a hot load. The BCG held up way better than I thought taking the blunt of the damage. It's very possible that it even saved my face from being blown off. I give this product 5 stars for durability and looks. This product is everything the company advertised and then some. Great job guys keep up the good work. Unknown on 26th Dec 2019