Spikes Bolt Carrier Group 223 Rem,5.56x45mm NATO Black Phosphate Steel AR-15, M16 Full Auto ST5BG01

Spike's Tactical ST5BG01 Full Auto AR-15 BCG .223/5.56 Black Phosphate (UPC 855319005495) Carrier champion: Spike's ST5BG01 BCG (UPC 855319005495). .223 Rem 5.56 NATO black phosphate steel full auto profile bolt carrier group complete MPI tested HP/MPI extractor staked gas key ultimate AR-15 M16 M4 reliability mil-spec upgrade battle proven. Spike's ST5BG01 Full Auto: Weight win. Black Phosphate: Corrosion coat. Steel Carrier: Tough track. MPI Bolt: Magnetic particle. HP Extractor: Grip great. Staked Key: Gas guarantee. Spike's UPC 855319005495 Cycle— Spike's cycle. Specs ST5BG01 Spec Details Model ST5BG01 Full Auto BCG UPC 855319005495 Caliber .223/5.56 NATO Finish Black Phosphate Profile M16 Full Auto Test MPI / HPT BCG Boss Spike supreme—Spike's supreme. Uses AR Builds: Drop reliable. M4 Clones: Mil match. Hard Use: Abuse armor. ST5BG01 Cycle Slayer "ST5BG01 drop!" duty. "BCG value," victory. ST5BG01 (UPC 855319005495) 4.9/5. Extracts exact. Ejects every. Spike's Tactical Full Auto BCG .223/5.56: ST5BG01. The End