BCM® Bolt Carrier Group (MPI) - Auto

MSRP: $199.00
Your Price: $169.00
(You save $30.00 )
(756 reviews) Write a Review
SKU:
BCM-Bolt-Carrier-Group-AUTO-MP
Features:
Milspec Carpenter No. 158® steel
Stock Status: In Stock
 
BCM® (MPI) complete bolt carrier group is fully assembled. (BCG)

Bolt carrier group (auto version) for your AR15, M16, or M4. Parkerized exterior and chrome lined inside carrier. Machined to USGI specifications. This M16/M4 carrier includes the proper Mil-Spec gas key. Gas key is chrome lined and heat treated per GI specifications. Gas key is secured to carrier via USGI domestic mfg Grade 8 fasteners and properly staked per Mil-Specs. These properly hardened parts ensure a strong staking and proper gas system functioning.

The bolt assembly is machined from the correct Mil-Spec Carpenter No. 158® steel, shot peened for increased strength, includes tool steel machined extractor and ejector, BCM Extractor Spring, and is HPT (High Pressure Tested) and MPI (Magnetic Particle Inspected).

Prior to shipping, all BCM Bolt Carrier Groups are test fired for function. As such, the Bolt Carrier Group will show handling marks consistent with these quality control procedures.


 
 
Written by Bureau of Alcohol, Tobacco, Firearms and Explosives (BATFE), Chief of the Firearms Technology Branch
...M16 bolt carriers are not designed and intended solely and exclusively for use in converting a weapon into a machinegun and are not any combination of parts from which a machinegun can be assembled. Further, an M16 bolt carrier is not a firearm as defined in the GCA or a machinegun as defined in the NFA. An M16 bolt carrier is simply a machinegun part and as such its domestic sale and possession is unregulated under the Federal firearms laws. It is not unlawful to utilize a M16 machinegun bolt carrier in a semiautomatic AR15 type rifle.
 

756 Reviews

  • 5
    Customer review

    Posted by Stewart Krimm on Sep 29th 2019

    Love everything BCM

  • 5
    Customer review

    Posted by anonymous on Sep 17th 2019

    Review body is empty

  • 5
    BCM Bolt Carrier Group

    Posted by ABH on Sep 10th 2019

    Second to none.

  • 5
    Customer review

    Posted by Kevin Cox on Sep 8th 2019

    Review body is empty

  • 5
    Customer review

    Posted by Tom Lowery on Sep 6th 2019

    Review body is empty

  • 5
    Perfect

    Posted by Al on Sep 4th 2019

    Excellent machine work. Smooth action, highly recommended

  • 5
    BCM doesn't disappoint

    Posted by Joe on Sep 3rd 2019

    First time buying a BCG from BCM and I can honestly say I am impressed with the quality and attention to detail.

  • 5
    Reliability

    Posted by Taylor Gore on Sep 3rd 2019

    Has held up well in the thousand rounds or so I've fired. No issues and the cycling feels excellent using Breakfree CLP. Consistently feeds, fires, and ejects again and again.

  • 5
    Supremely happy with my bcg

    Posted by Tremayne Tatem on Aug 26th 2019

    I love my bcg from bravo company. I built my first ar-15 and was told that the bcg is the heart of the rifle. Every person I talked to said hands down bravo company for the bcg. I looked at the YouTube video of the quality controll of bravo company and was definitely sold. I'm planning on building an ar-15 with bravo company in the near future thank you for making a very high quality part. And introducing me Into the ar-15 world.