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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$233.75
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    1. 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

    2. 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

    3. 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

    4. A job very well done! This bcg went beyond my expectations!!!!

      I could not find any blemishes it fits perfectly I will buy from them again on 24th Jan 2018

    5. Couldn't even see the blemish

      I ordered the "blemish" to save a little money. When I received the BCG, I couldn't really see anything wrong with it. The exterior polish was good, so was the interior that I could see. The logo might have been just a bit off center, but it still showed fine when the BCG was seated in the rifle. Overall, a great product. on 8th Jan 2018

    6. OUTSTANDING!

      Every penny well spent, could not find any sign of blem. Amazing addition to the arsenal, smooth snug amazing feel! would recommend to everyone! on 5th Dec 2017

    7. Best quality BCG on the market today!

      If you are using you ar15 for home defence or self protection in a SHTF or TEOTWAWKI situation,
      when you life is on the line you need to know that your equipment will not fail.
      I have had a cheap bolt carrier group explode on me at the range, I replaced it with a Mystic Black.
      Yes, it cost more then most BCG out there, but there is a reason why "TOP QUALITY".
      It's guaranteed for life! Cryptic Coating stands behind their product, you will never have to buy another bolt carrier group for your weapon and their customer service is great.
      The Bolt Carrier Group is the hardest working part of an ar15, pay a little extra and buy quality!

      on 27th Nov 2017

    8. Where's the BLEMISH?!?

      I have yet to build the AR10 this gorgeous BCG is going in, but I have to say, WOW!!!

      I bought the Mystic Black BCG for .308 and it is amazingly beautiful. Feels slippery as $#!t on oil on top of ice.

      My favorite 3letter bolt has been surpassed.

      If the finish holds up, there's no doubt it's an amazingly well done BCG. And if so (And I believe it will hold up), I WILL be buying more of these...
      on 8th Nov 2017

    9. Couldn't even find the blem!

      I ordered a blem bcg to save some money. Fine toothed comb and couldn't find an issue. Runs just as perfectly as the TiN bcg I have. Always recommend Cryptic Coatings. Ordered the BCG and had it in my firearm in 2 days. Nothing to complain about. on 5th Oct 2017

    10. Great Product

      This BCG is wonderful, I can feel the responsiveness as I shoot. The difference is very noticeable. It also looks spectacular. on 3rd Oct 2017

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