Coated Bolt Carrier Group

Coated Bolt Carrier Group

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Now available in Black Nitride!

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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$110.00
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    1. VERRY TOP SHELF SLICK AND SMOOTH!

      Damn this BCG is smooth. Iv got the mystic black.
      Deffinetly top shelf threw and threw!!!
      on 13th Jun 2017

    2. Gorgeous Mystic Gold

      Looks amazing and works perfectly! Also, the shipping was INCREDIBLY fast! 10/10 will order from here again. on 1st Jun 2017

    3. Nitirited Bolt Carrier Group

      Outstanding machined and very smooth BCG with very good looking peened bolts. Fits perfectly in my AR and I have no doubt it will perform flawlessly. This is my second purchased carrier from Cryptic Coatings and will not be my last. on 30th May 2017

    4. COULDN'T CHOOSE, GOT BOTH!!

      A friend and I decIded to get the Bronze and Gold. We figured we'd choose once they arrived after anticipating their arrival like waiting for Christmas morning. They're amazing.

      Perfect fit; Beautiful Finish; Easy to clean; Flawless, smooth feel to it. Our AR's loved them.

      Will be back when I get another rifle. Maybe Father's Day? 4th of July? Birthday?
      on 30th May 2017

    5. Holy Shipping Times, Batman

      I placed my order for the Mystic Gold (I like gooollldd!) BCG on Sunday night. Order was processed and shipped out on Monday via USPS. I got it midday on Thursday. Very impressed with the prompt shipping. I will definitely be ordering my next BCG from this company. on 25th May 2017

    6. Bronze is the new gold!

      Got my Mystic Bronze BCG the other day for my high end AR build and couldn't be happier with the fit and finish! Sits great in the rifle and the BCG is slicker than snot, cant wait to start running rounds through this little guy! Add that with the super fast delivery, very awesome product. on 23rd May 2017

    7. All gold everything!

      I went to order the mystic gold 5.56 BCG, said it was unavailable. I sent an email to crypic and they got back to me quick, told me that they'll contact me as soon as it becomes available again, next day it was available! I ordered that bad boy and although the weekend interfered with a retardedly fast delivery, it was still here pretty quick(3-4 days) I'm very pleased with this product and will do business with them again in the future, although I doubt I'll have to ever buy another bolt, unless i decide I want another AR...but if I do, I'll be back for another one here. on 20th May 2017

    8. beautiful finish!!

      this thing is a work of art on 19th May 2017

    9. Best Bcg out

      Love this bcg gotten the mystic gold in the past now I've got the bronze and it won't be the last one I buy thanks again for a great product on 17th May 2017

    10. perfect!

      beautiful product! fast delivery! on 16th May 2017

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