Centurion Arms C4 5.56 M16 Bolt Carrier Group – BCG-C4

Centurion Arms Bolt Carrier GroupCenturion Arms C4 Bolt Carrier Group was created with MPI tested bolts and marked to give you the ultimate confidence in your weapon system. This full auto carrier is heat treated and precision machined. The gas key is staked on both sides of both bolts.Specs:Mil-spec Carpenter No. 158MPI bolt (magnetic particle inspected)Shot peened boltChrome lined carrier (auto)Chrome lined gas keyGas key hardened to mil specGrade 8 fastenersStaked gas keyTool steel extractorWeight12 ozBolt MaterialCartridge Compatibility.223/5.56 NATO/.300 BLKFinishCarrier ProfileM16High Pressure TestedHP TestedMagnetic Particle InspectedMagnetic Partical InspectedPlatformAR-15Bolt FinishMPNBCG-C4UPC6667