SPECIFICATIONS:
Brand: Spikes Tactical
Caliber: 5.56 / .223 / 300 Blk / .350 Legend
Bolt Head Finish: Manganese Phosphate
Bolt Head Material: 158 Carpenter Steel
Carrier Finish: Manganese Phosphate
Carrier Material: 8620 Alloy Steel
Magnetic Particle Inspect (MPI): Yes
Platform: AR-15
Forward Assist Notches: Yes
Chrome Lined Bore: Yes
Chrome Lined Gas Key: Yes
Style: Standard
Color: Black