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 out 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 insures 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. 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

    2. 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

    3. 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

    4. 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

    5. 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

    6. Hardly a Blem

      It is my first Blem product ever... it tool a while to find the blemish... a very small spot on the bolt face... I will get at least 2 more... great deal on 20th Sep 2017

    7. Fantastic

      I never write reviews. But after using these bolts and various coated parts for half a year now I'm making an exception. I've been cleaning AR bolts since 1978 when I joined the Marine Corps. Retired 30 years later. I wish Cryptic Coatings would have been in business decades ago.
      I bought my first BCG from CC in March and put it in a National Match rifle. We can shoot 500 to 1500 rounds during training weekends, sometimes even more if we practice ITT. So my gun gets cleaned a lot, but with FAR less time involved.
      After nearly 10,000 rounds I've not had a single failure to feed, fire, extract or eject. And accuracy was still there after switching to this BCG. Of course, you still need to lube the gun, but not nearly as much which means there's a lot less crap getting puffed into your eye.
      I now have three BCG's from CC and still need a couple more. Putting them in all my guns.

      S/F

      P.S. The BCG in my competition rifle is a blem.
      on 12th Sep 2017

    8. Excellent product

      Honestly, I'll buy blemished CC BCG's any chance I get. They are the same exact thing with a minor flaw, still backed with their warranty. I had to search for the blemish for about 2 or 3 minutes to find it. on 12th Sep 2017

    9. Terrific product

      I got the "blem" version and can't see anything wrong or blemished about it, it looks and performs perfect. Has a nice smoky black color and incredibly easy to clean. Tried it today pretty much dry and performed excellent. All around great product. on 8th Sep 2017

    10. Amazing Gold BCG!

      My Blemished BCG had very little blemish to it. Not even noticeable with the dust cover open. Very good quality and very attractive. Would definitely buy these again. on 5th Sep 2017

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