BCM Bolt Carrier Group - MPI Full Auto. FDE IB

Out of stock
as of 05/28/2023 11:45AM CST
Store Inventory
Available OnlineOut of stock
Fountain Valley, CAOut of stock
The Colony, TXOut of stock
UPC: 812526021007

Inter-Store Transfer

If this item is out of stock at your local RifleGear but available at our other location, no problem. Just place your order and select In-Store Pickup as the shipping method. As long as the item is legal in your location, we will transfer the item for you. You will be notified by email once your item has arrived at the destination.

BCM Full Auto Bolt Carrier features an Ion Bonded Flat Dark Earth coating. This process allows for lower friction, and easier cleaning intervals. A thin coat of oil on the carrier is still recommended.

BCM Complete Bolt carrier group (auto version) for your AR15, M16, or M4. Ion Bond finished 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 insure 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).

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

Milspec Carpenter No. 158® steel
HPT Bolt (High Pressure Tested/ Proof)
MPI Bolt (Magnetic Particle Inspected)
Shot Peened Bolt
Ion Bonded FDE Carrier (AUTO)
Chrome Lined Gas Key
Gas Key Hardened to USGI Specifications
Grade 8 Hardened Fasteners
Key Staked Per Mil-Spec
Tool Steel Extractor
BCM Extractor Spring
Black Extractor Insert
Mil-Spec Crane O-Ring

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