Shop › LUTH AR BCG COMPLETE LR-308 LUTH AR BCG COMPLETE LR-308 $187.99 Luth-AR Bolt Carrier Group, Assembled .308 Bolt Carrier Assembly/Extractor Assembly 308-BCA Quantity: Add To Cart Added! Luth-AR Bolt Carrier Group, Assembled .308 Bolt Carrier Assembly/Extractor Assembly 308-BCA