Home / Accessory-Bolts / SureFire OPTIMIZED BOLT CARRIER 5.56 # Sale! SureFire OPTIMIZED BOLT CARRIER 5.56 #$39900 Original price was: $39900.$35780Current price is: $35780. Out of stock SKU: SF-OBC-556 Category: Accessory-Bolts Product ID: 28986 Description Description Optimized For 5.56/.223 RiflesIncludes Buffer SpringIncludes H-Weight Buffer Related products Sale! Wilson Combat BOLT CARRIER ASSY 5.56 NICKEL $22695 Original price was: $22695.$22518Current price is: $22518. Franklin Armory AR BOLT CARRIER GROUP 5.56MM $10999 Wilson Combat BOLT RELEASE EXTENDED OVERSIZE $3395