Toolcraft AR15 450 Bushmaster Bolt Carrier Group – Nitride

(28 customer reviews)

$109.99 $91.99

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SKU: TOOLCRAFT-450-BN-BCG Categories: ,


This Toolcraft Black Nitride AR15 Bolt Carrier Group is a 450 Bushmaster  Full Auto BCG, manufactured using a 9310 steel bolt, and a 8620 steel carrier.

All manufacturing and coating is done by Toolcraft.

100% Made in USA and includes Lifetime Warranty from Toolcraft. If ever a problem, simply call Toolcraft and they will take excellent care of you with their no questions asked Lifetime Warranty.

Carrier Specifications

Material: 8620 Steel
Type:  Type 2
Gas Key Material:  4130 Steel; Grade 8 Gas Key Screws
Coating:  Black Nitride

Bolt Specifications

Bolt Material:  9310 Steel
Extractor Material: 4140 Steel
Mil-Spec O-Ring
Mil-Spec Gas Rings (3)
Cam Pin Material: 8620 Steel
Firing Pin Material: 416 Stainless Steel
Other: MPI Inspected

Additional information

Weight .85 lbs
Dimensions 8 × 4 × 4 in

28 reviews for Toolcraft AR15 450 Bushmaster Bolt Carrier Group – Nitride

  1. Heath H. (verified owner)

    Highly recommend B King’s. Very fast shipping and quality parts.

  2. Rick B. (verified owner)

    Bolt carrier group looks good works good

  3. Daniel F. (verified owner)

    Nice quality

  4. steve burdett (verified owner)

    fast to ship, quality looks ok, gas system staking looks a little weak but easily fixed. otherwise good product. thanks

  5. Donald M. (verified owner)

    Always good service , and products.

  6. Daniel F. (verified owner)

    This is a very good high quality BCG with nice fit and finish

  7. Anonymous (verified owner)

    Worked great

  8. Steve Pond (verified owner)

    Great company. A++++

  9. John Thomas (verified owner)

    Great prices and fast shipping.

  10. Brian P. (verified owner)

    Final buy for my build! Great price for a top notch BCG. Shipping was super fast….Will definitely be giving B. King more business!

  11. patrick j. (verified owner)

    looks like a quality piece . I own a bunch of different brands and this may be the nicest one

  12. Paul T. (verified owner)

    First purchase, but after this experience I’ll definitely return. Great price and ridiculously fast shipping. Wish I had found B Kings sooner.

  13. Samuel sharp (verified owner)

    Works amazing I will definitely be buying from here more often

  14. Teddy (verified owner)

    B kings sent this quickly and work flawlessly.

  15. Anonymous (verified owner)


  16. Robert (verified owner)

    Finish and function were flawless would recommend

  17. Earnest Umstead (verified owner)

    looks well made, seems to be as advertised. looking forward to trying it out.

  18. Luke (verified owner)

    Great product and price. Fast shipping! A+

  19. Sean B. (verified owner)

    Great quick service. Will order again from this company.

  20. Alec G. (verified owner)

    excellent product, fast delivery

  21. Richard (verified owner)

    Thumbs up. Thanks BKF for the fast delivery

  22. Danny Morgan (verified owner)

    Quick Service The product has not yet been tested But customer service did great so far

  23. Denver McIntire (verified owner)

    Great place to do business.👌

  24. Tom (verified owner)

    The best price on a bolt carrier that has all the high end features at a great price !!! Tool craft made in USA. keep your AR domestic !!!!

  25. Timothy M. (verified owner)

    Functions as expected. Quality exceeded expectations.

  26. Donovan (verified owner)

    Great price on a quality BCG. Shipping was fast as well

  27. Gilbert C. (verified owner)

    These guys are great! Will definitely order from again!

  28. David K. (verified owner)

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