COMPLETE 5.56x45 BOLT ASSEMBLY

NICKEL BORON COATED FOR SUPERIOR HARDNESS AND LUBRICITY

REDUCES WEAR AND CORROSION

EASIER REMOVAL OF CARBON BUILDUP

MADE FROM 9310 STEEL

EACH BOLT IS SHOT PEENED AND MPI TESTED PER MIL-SPEC

COMES FULLY ASSEMBLED AND READY TO DROP IN YOUR CARRIER FREE SHIPPING WITHIN THE USA!