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Faxon Firearms 6.8/.224 Valkyrie AR-15 Bolt Carrier Group – Nitride
JP Enterprises AR-15 Full Mass Operating System Bolt Carrier Group w/ .223 / 5.56 EnhancedBolt
Rubber City Armory Blacknitride+ 6.8 SPC/.224 Valkyrie Bolt Carrier Group
Partisan Triggers Disruptor AR-15 3 Position Drop In Forced Reset Trigger + Dirty Bird Industries Sand-Cut Bolt Carrier Group Bundle
KAK Industry DBC K-SPEC AR-15 5.56/.223/300BLK Bolt Carrier Group – Phosphate/Chrome-Lined
Battle Arms 9MM Enhanced Blowback AR15 Bolt Carrier Group
Griffin Arms Enhanced Gas Pocket AR-15 Bolt Carrier Group w/ Spring and Buffer
SLR Rifleworks Premium Bolt Carrier Group Black Nitride – 556
Obsidian Arms M16 Bolt Carrier Group Phosphate 5.56
Faxon Firearms Superfinished 5.56 NATO Gunner Lightweight Bolt Carrier Group – TiN
Faxon Firearms Superfinished 5.56 NATO Gunner Lightweight Bolt Carrier Group – Chameleon
Faxon Firearms Superfinished 5.56 NATO M16 Bolt Carrier Group – Chrome