Sons of Liberty Gun Works AR-15 5.56NATO Bolt Carrier Group

Get reliability and longevity for your next rifle build with the Sons of Liberty Gun Works® AR-16 5.56NATO Bolt Carrier Group. The carrier is machined from AISI 8620 steel with a corrosion-resistant Manganese phosphate coating for superior strength and durability while the bolt is constructed from Carpenter Technology No. 158 Alloy and is magnetic particle inspected (MPI) and high pressure tested (HPT) to ensure years of reliable field use. The gas key is constructed from 4130 chromoly steel and is properly staked to ensure smooth and proper cycling of your rifle while the S7 tool steel ejector and 4340 tool steel extractor are both shot peened to ensure every round seats properly. Don’t hesitate and order now!