Coated Bolt Carrier Group

Coated Bolt Carrier Group - BLEMISHED

Take advantage of our attention to detail.... 15% off in fact. These blemished bolt carrier groups didn't meet our expectation therefore we are passing some savings on to our customers.


Need help on a coating?

 

The fit and function is 100% true to our normal bolt carrier groups, these simply just have some minor cosmetic blemishes. They also carry the same lifetime warranty for form, fit and function as our non-blemished BCG's.

15% off has already been applied to the pricing on this page.

Blemishes may include one or some of the following:

  • Poor logo marking, or missing logo.
  • Imperfect polishing, contained mostly on the inside of the carrier, causing a non mirror-like finish.

 


 

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:

  • Mil-Spec BCG Machined from 8620 Aircraft Quality Steel and heat treated to 60-61 RC
  • Mil-Spec Chrome Lined Carrier Interior
  • Mil- Spec Chrome Lined Gas Key
  • Key Staked with Grade 8 Screws, per Mil-Spec
  • Mil-Spec Carpenter 158® Bolt w/ Spring and Ejector 
  • Tool Steel Extractor w/ Spring and viton O-ring
  • Mil-Spec Firing Pin w/ Chrome Finish
  • Mil-Spec Cam Pin
  • Full Auto Carrier (Backward compatible with all semi-auto rifles)
  • 5.56 BCG Weight - 11.55 oz.
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$93.50
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    1. Exceptional BCG

      I received this request long before I got to try bolt carrier and as it turns out like everyone else said. It worked perfectly it looks cool cleaning it was a cinch. I bought the blemished and could not find any flaws....Good Job CRYPTIC COATINGS......Paul on 17th Apr 2018

    2. Great Overall Producs

      I bought 4 blemished and 1 new over the years for my rifles. I cannot tell a difference between them. All of them have functioned flawlessly, and I haven’t broken anything after about 3k rounds. Most of these were with a suppressor as well.

      Cleaning is a breeze. You can literally just wipe it down and it’s good as new. I haven’t experienced carbon buildup that I had to scrape from the bolt other than wiping it.

      They sure are pricey, but well worth it if you are lazy and want a good quality product.
      on 26th Mar 2018

    3. Wow!

      After reading the reviews I ordered a blemished BCG in Mystic Silver and all I can say is wow! I don't know where the blemish is, but there must be one somewhere. I used this in a 300 Blackout build with a skeletonized upper and the silver BCG, along with a stainless steel barrel, really makes this pistol stand out. The BCG preformed flawlessly from the first round and I plan on ordering a gold one for my next project. You will not be disappointed! on 22nd Mar 2018

    4. Blemished

      I honestly did not see any blemishes. I shot roughly 150 rounds through it, took it apart to clean it, and found a spot that the carbon didn't immediately wipe clean from. Im assuming that's the blemished spot, it's tiny, and i don't care. These guys build awesome stuff. on 20th Mar 2018

    5. Mystic Black "Blemished" beauty

      Took the chance on a blemished model due to all the positive reviews. Like other reviewers I couldn't have been happier and I honestly can't find a blemish. These Cryptic Coating BCGs are literally gun porn. I love everything about it, even being "blemished" and the blemished price difference, these are gorgeous as well as having a pretty sweet logo. CC is and will be my go to BCG supplier from now on and that sexy Rose Gold (mystic bronze) is my next purchase for my next build. If you're looking for real reviews to decide, You won't be disappointed with a blem purchase or any other BCG from CC. on 19th Mar 2018

    6. The Best

      Cryptic Coatings is Awesome. Best customer service, fast shipping, great communication, and the best BCG’s. Absolutely beautiful work even on my blemished models. Toolcraft lifetime warranty and cryptic coatings extremely durable finish, what are you waiting for? on 19th Mar 2018

    7. Blemish?

      Looks great and like many of the others, I cant see any blemishes. This will be used in a new build I am working on and it will likely take some tome before it is finished, but I am excited to finish and try this out. Based on other replies I expect this to work great and clean up well also. on 12th Mar 2018

    8. Blemished BCG

      Product in black couldn't find any flaw , works and looks awesome slick finish ! Great deal , fast ship!! Hope to get one for my 6.5 Grendel when available.
      Thank you cryptic coatings
      on 20th Feb 2018

    9. Blem BCG

      Best BCG on the market and the finish is great! I have bought them both ways and I will need someone to point out the finish flaw to me because I do not see it! on 19th Feb 2018

    10. AMAZING

      WOW enough said. Amazing product, I've looked this thing over and if its blemished I cant find it. I put 300 flawless rounds through it and wiped it clean with a dry paper towel. saving my $$$$ for another on 2nd Feb 2018

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