JE Machine Tech AR-15 muzzle brake is designed to fit .223 M4 rifles. Machined from 4140 steel with a manganese phosphate finish. This six port brake has a 1/2x28" TPI.
Specifications:
4140 Steel
Manganese Phosphate Finish
1/2x28" Thread Ptich
Specifications:
4140 Steel
Manganese Phosphate Finish
1/2x28" Thread Ptich