Midwest Industries 556 Bolt Carrier Group, C158 Carpenter Steel, Black Nitride Coating MI-BCG-NIT

Midwest Industries AR-15 5.56 NATO Bolt Carrier Group BCG Full Auto Carpenter 158 Steel Bolt Black Nitride QPQ Coating MI-BCG-NIT UPC 812102032946 - MPI HPT Magnetic Particle Inspected High Pressure Tested 9310 Cam Pin Extractor Spring Included Enhanced Reliability MI BCG: MI-BCG-NIT 5.56 Nitride (UPC: 812102032946) – cycle supreme! Key Features C158 Bolt 9310 Carrier: Mil-spec plus. Black Nitride Coating: Lube free. MPI/HPT Tested: Proven safe. Full Auto Ready: Heavy duty. Specifications AttributeDetails ModelMI-BCG-NIT Cal/Steel5.56 C158 Carpenter CoatingBlack Nitride UPC812102032946 Reviews "MI nitride BCG flawless function." BCG Midwest MI-BCG-NIT. The End