Material
Case Hardened 8620 Steel
Gas Key
4130 Steel, attached with Grade 8 hardware and properly staked into a milled “valley”to ensure proper positioning
Ejection Port
Area is milled with added material for more strength and rigidty
Cam Pin
Hardened 4340 cam pin
Firing Pin
Mil Spec firing pin made of 8740 steel, center-less ground and Hard Chrome coated Carrier fits AR15/M4 compatible style Rifles (i.e.) .223/5.56mm, .300BLK
Bolt Assembly
Machined from Carpenter 158 steel then shot-peened, heat treated & 100% MPI tested per US mil-spec
HPT
Each bolt is High Pressure Test bolts under Mil-STD-1816 for both HPT & MPI.
Extractor Spring
5 Coil Enhanced Extractor Spring for increased reliability