© Palmetto State ArmoryFaxon Duty Series AR-15 Barrel 5.56x45mm NATO 16" Gunner Contour 1:8" Twist Nitride with Pinned Gas Block
- Brand
- Faxon Firearms
- Color
- Black Nitride
- Caliber
- 5.56x45mm
- Category
- Gun Parts
- Platform
- AR-15
- Barrel Length
- 16in
- Gun Part Type
- Barrel
- UPC
- 816341025400
- MPN
- 15A58M16NGQAPGB
Overview
The Faxon Duty Series AR-15 upper barrel features a 5.56x45mm NATO chamber, a 16-inch length, a 1:8" twist rate, and a black nitride finish with a pinned gas block. Built from certified 4150 steel with a QPQ nitride coating for enhanced durability, the barrel is magnetic particle inspected (MPI), air-gauge tested, and button rifled with a Gunner contour. It includes an M4 barrel extension and an 11-degree target crown, designed to reduce weight while supporting long-term suppressor use.
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