Faxon Firearms FF556BCGCNITRIDE Bolt Carrier Group M16 5.56x45mm NATO Salt Bath Nitride 9310 Steel For Rifle $135.94
Faxon Firearms Bolt Carrier Group Type 2 6.5 Grendel/6mm ARC/22 ARC Salt Bath Nitride 9310 Steel $154.69
CMC Triggers 81631 Bolt Carrier Group Enhanced 223 Rem,5.56x45mm NATO,300 Blackout Black Nitride 8620 Steel AR-15 $199.00
CMMG 22D7C6C Replacement Barrel Kit with Bolt Carrier Group, 22 LR 16.10" Threaded, Black Nitride Chromoly Steel, Fits AR-15/Mk4 $329.18
Faxon Firearms FF556BCGCNITRIDELW Gunner Lightweight 5.56x45mm NATO, Salt Bath Nitride 9310 Steel For AR15 Rifle $233.44
Faxon Firearms FF9MMBCGCNITRIDE PCC Blowback Gen2 9mm Luger, Salt Bath Nitride 8620 Steel For AR-15 Compatible w/Glock, Colt $154.69
CMMG 22D5B6E Replacement Barrel Kit with Bolt Carrier Group, 22 LR 4.50" Threaded, Black Nitride Chromoly Steel, Fits AR-15/Mk4 $286.55
Faxon Firearms FF308BCGCNITRIDE02 Bolt Carrier Group Gen2 6.5 Creedmoor/308 Win/8.6 Blackout, Salt Bath Nitride 9310 Steel $205.31
Spikes ST5BG03 Bolt Carrier Group 223 Rem,5.56x45mm NATO Nickel Boron Steel AR-15, M16 Full Auto $202.50