Duty Series 16" M4-profile AR-15 barrel in 4150 CMV steel with a chrome-lined bore and manganese phosphate finish. Threaded 1/2x28 with a .750" gas journal.
- Manufacturer Part # : 15A57C16N4P-CL
- Type : AR-15 Barrel
- Caliber : 5.56 NATO
- Barrel Length : 16"
- Material : 4150 CMV
- Finish : Manganese Phosphate
- Gas System : Carbine-Length
- Thread : 1/2x28
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