Bolt Carrier Groups

KAK Industry

Kak Industry AR15 BCG M16 556/300 CLP

KAK Industry

Kak Industry AR15 BCG M16 224/6.8 CLP

Great Lakes Firearms & Ammo

Great Lakes Firearms & Ammo GLFA Bolt Action Carrier GROUP AR15 .223/5.56mm/.300AAC Blackout

Franklin Armory

Franklin Armory Bfsiii Binary Firing System Accessory-triggers

Fail Zero

Fail Zero FZ M16/M4 Bolt Action Carrier GROUP

Fail Zero

Fail Zero FZ M16/M4 BCG NO Hammer MATTE

Fail Zero

Fail Zero FZ BASIC Semi-Automatic KIT Bolt Action & Hammer

Fail Zero

Fail Zero FZ AR15 BCG NO Hammer MATTE

Fail Zero

Fail Zero ZERO Bolt Action Carrier GROUP Lightweight 5.56mm AR-15

Fail Zero

Fail Zero ZERO Bolt Action Carrier GROUP 7.62x39mm AR-15

Fail Zero

Fail Zero ZERO Bolt Action Carrier GROUP 6.8SPC AR-15

Fail Zero

Fail Zero ZERO Bolt Action Carrier GROUP 6.5 Grendel AR-15