FailZero Lightweight/Low Mass Bolt Carrier Group, No Hammer, EXO Nickel Boron Coated, Nickel Finish, 9.2 oz Total BCG Weight FZ-LW-BCG-01-NH
WMD Guns Bolt Carrier Group, Without Hammer, Nib-X Finish, .308, DPMS Compatible Style, 9130 Bolt, 8620 Carrier w/Properly Staked Key NIBXBCG308
WMD Guns Bolt Carrier Group, Without Hammer, NiB-X Finish NIBXBCG-0001
San Tan Tactical Enhanced Bolt Carrier Group, Black Nitride Finish, 6MM ARC STT-Enhanced BCG-6ARC
San Tan Tactical Enhanced Bolt Carrier Group, Black Nitride Finish, 556 NATO STT-Enhanced BCG 5.56
Spike's Tactical 9mm, Bolt Carrier, 416 Stainless Steel, Grade 8 Screws, Black Finish ST9BG01
Midwest Industries 556 Bolt Carrier Group, C158 Carpenter Steel, Flat Dark Earth DLC Coating MI-BCG-FDE
FailZero AR-15 Bolt Carrier Group, No Hammer, EXO Nickel Boron Coated, Black Finish FZ-AR15-01-NH-BLACK
FailZero AR10 Bolt Carrier Group, EXO Nickel Boron Coated, Nickel Finish FZ-AR10-01-NH
FailZero Bolt Carrier Group, 6.8SPC, Nickel Boron Coated, No Hammer FZ-6.8SPC-01-NH
CMMG Bolt Assembly Mk9 with Glock Cut, 9mm, Fits MK9, Black Finish 90BA46A