BCM® Bolt Carrier Group (MPI) - Auto

MSRP: $214.00
Your Price: $199.00
(You save $15.00 )
(1247 reviews)
SKU:
BCM-BCG-AUTO
Features:
Milspec Carpenter No. 158® steel
BCM® Bolt Carrier Group (MPI) - Auto
Stock Status:
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.
 
Watch the video below to learn more about our quality control for Bolt Carrier Groups:
 
 
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.
 
***This product contains chemicals/materials known to the State of California to cause cancer and other reproductive harm. To learn more, visit www.p65warnings.ca.gov.***

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1247 Reviews

  • 5
    BCM Bolt Carrier

    BCM is known for making high quality products and components for a fair price.

    Hands down the best customer service I have experienced from any gun company.

  • 5
    Great Product at a Fair Price

    BCGs have become slightly comoditized. So many mfgs have resorted to differentiation by coating. Plenty of hard use guns run fine with traditional coatings as long as the BCG is a good quality unit. This is exactly where BCM's attention to detail/quality comes into play. Their BCG is a quality piece, inspected, tested, and fired for a "no surprises" experience. I had budget for a "fancier" BCG, and chose BCM's unit for my LaRue Stealth barrel build.

  • 5
    Now I have a Spare BCM Bolt Carrier Group

    So, I've got a spare BCM Bolt Carrier Group. I did not find anywhere in the descriptions for the Mid Length (ENHANCED Light Weight) Upper Receiver Group w/ BCM KMR 15" Handguard that the Bolt Carrier Group was included, so I ordered a the BCM Auto BCG. Now I have a spare :)

  • 5
    GTG

    For me, the BCM Bolt Carrier Group is the gold standard. The beefed up extractor spring really flings some brass. For my go to AR, the only bolt carrier group I run. GTG

  • 5
    Love it

    Looks great and awesome fit no other issues with it so far. Shoots perfectly and love the BCM logos on it

  • 5
    BCM Bolt Carrier Group (MPI) - Auto

    Quality piece, all aspects confirm mil-spec ++. another great BCM product...no concerns here ...really built to last

  • 5
    BCM BCG

    Amazing quality and fast shipping

  • 5
    Great service

    I ordered a new bolt carrier group and received it within two days!!! This was my first time purchasing from Bravo Company. I will definitely continue to do business with them! Great product!!!

  • 5
    BCG

    I as a consumer look for a product that is well built and will withstand the riggers of every day use . The Bravo Company BCG is one of those products . Outstanding craftsmen ship a battle ready BCG,most of all Bravo Company stands by their products and their customers. I for one would recommend anyone of Bravo Companys products to fellow American consumers. thank you Bravo Company.

    A Loyal Customer ,
    Brian