Shop › LBE AR15/M16 H3 HEAVY CARBINE BUFFER LBE AR15/M16 H3 HEAVY CARBINE BUFFER $49.99 LBE Unlimited Buffer, For AR-15, Carbine Length, H3 Heavy, Gold ARBUFF-H3 Quantity: Add To Cart Added! LBE Unlimited Buffer, For AR-15, Carbine Length, H3 Heavy, Gold ARBUFF-H3