Bolt Carrier Groups
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On Sale
ACME AR-308 / AR-10 Mil-Spec 7.62 Complete Bolt Carrier Group Nickel Boron
ACME Machine
MSRP: $189.99Now: $109.99Was: $139.99Get a high quality Bolt Carrier Group for your AR with this superb .308/7.62 Nickel Boron BCG from ACME Machine ! This .308/7.62 Nickel Boron BCG with Forward Assist features an 8620 Tool Steel Carrier and 9310 Carpenter Steel Bolt, with a properly...MSRP: $189.99Now: $109.99Was: $139.99 -
On Sale
ACME AR-308 / AR-10 Mil-Spec 7.62 Complete Bolt Carrier Group Nitride
ACME Machine
MSRP: $169.99Now: $99.99Was: $129.99The enhanced bolt carrier is designed to reduce carrier tilt/cant during recoil and increasing reliability by strategically relocating key...MSRP: $169.99Now: $99.99Was: $129.99 -
On Sale
ACME 5.56 Bolt Carrier Group AR-15 Nickel Boron C158
ACME Machine
MSRP: $169.99Now: $89.99Was: $129.99ACME Machine has been in business since 1976 crafting highly precise components. All ACME BCG parts are of the highest quality and 100% made in America. ACME has taken their line of precision AR components and added a Nickel Boron coating to provide...MSRP: $169.99Now: $89.99Was: $129.99 -
On Sale
ACME 5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158
ACME Machine
MSRP: $139.99Now: $79.99Was: $119.00This bolt carrier is manufactured from case hardened 8620 steel with properly staked 4130 steel gas key. The accompanying bolt is Carpenter 158, shot peened, HPT and MPI tested, and finished in a self-lubricating polished black nitride. Bolt lugs are CNC...MSRP: $139.99Now: $79.99Was: $119.00 -
Out of stockOn Sale
Toolcraft AR-308 BCG Nitride Bolt Carrier Group
Toolcraft
MSRP: $219.99Now: $129.99Was: $149.99Toolcraft BCG Nickel Boron AR308 Auto Bolt Carrier Group 9310 Alloy Steel MPI Tested 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...MSRP: $219.99Now: $129.99Was: $149.99 -
On Sale
Toolcraft 5.56 Bolt Carrier Group AR-15 Nickel Boron C158
Toolcraft
MSRP: $179.99Now: $109.99Was: $149.99Toolcraft BCG Nickel Boron AR15 / M16 Auto Bolt Carrier Group 9310 MPI Tested 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...MSRP: $179.99Now: $109.99Was: $149.99 -
On Sale
Toolcraft AR-308 BCG Nickel Boron Bolt Carrier Group
Toolcraft
MSRP: $249.99Now: $139.99Was: $169.99Toolcraft BCG Nickel Boron AR308 Auto Bolt Carrier Group 9310 Alloy Steel MPI Tested 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...MSRP: $249.99Now: $139.99Was: $169.99 -
On Sale
Toolcraft 7.62x39 Mil-Spec Bolt Carrier Group AR-15 Nitride
Toolcraft
MSRP: $149.99Now: $99.99Was: $139.99This bolt carrier is manufactured from case hardened 8620 steel with properly staked 4130 steel gas key. The accompanying bolt is case hardened 9310 steel, shot peened, HPT and MPI tested, and finished in a self-lubricating polished black nitride. Bolt...MSRP: $149.99Now: $99.99Was: $139.99 -
On Sale
Toolcraft 458 / 450 Mil-Spec Bolt Carrier Group AR-15 Nitride
Toolcraft
MSRP: $149.99Now: $99.99Was: $139.99This bolt carrier is manufactured from case hardened 8620 steel with properly staked 4130 steel gas key. The accompanying bolt is case hardened 9310 steel, shot peened, HPT and MPI tested, and finished in a self-lubricating polished black nitride. Bolt...MSRP: $149.99Now: $99.99Was: $139.99 -
On Sale
Toolcraft 6.5 Grendel Type 2 Mil-Spec Bolt Carrier Group AR-15 Nitride
Toolcraft
MSRP: $149.99Now: $99.99Was: $139.99This bolt carrier is manufactured from case hardened 8620 steel with properly staked 4130 steel gas key. The accompanying bolt is case hardened 9310 steel, shot peened, HPT and MPI tested, and finished in a self-lubricating polished black nitride. Bolt...MSRP: $149.99Now: $99.99Was: $139.99 -
On Sale
Toolcraft 6.8 Mil-Spec Bolt Carrier Group AR-15 Nitride
Toolcraft
MSRP: $149.99Now: $99.99Was: $139.99This bolt carrier is manufactured from case hardened 8620 steel with properly staked 4130 steel gas key. The accompanying bolt is case hardened 9310 steel, shot peened, HPT and MPI tested, and finished in a self-lubricating polished black nitride. Bolt...MSRP: $149.99Now: $99.99Was: $139.99 -
On Sale
Toolcraft 5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158
Toolcraft
MSRP: $139.99Now: $89.99Was: $119.99This bolt carrier is manufactured from case hardened 8620 steel with properly staked 4130 steel gas key. The accompanying bolt is case hardened 9310 steel, shot peened, HPT and MPI tested, and finished in a self-lubricating polished black nitride. Bolt...MSRP: $139.99Now: $89.99Was: $119.99