© Palmetto State ArmoryPSA AR-15 Upper 5.56 16" Mid-Length 1/7 Nitride 13.5" M-LOK w/NiBx BCG & CH
- Brand
- Palmetto State Armory
- Caliber
- 5.56x45mm
- Category
- Gun Parts
- Platform
- AR-15
- Barrel Length
- 16in
- Gun Part Type
- Upper Receiver
- UPC
- 5165449606
Overview
This AR-15 upper features a 16-inch 4150V Chrome Moly steel barrel chambered in 5.56 NATO with a 1:7 twist rate, M4 barrel extension, and a mid-length gas system. The barrel is equipped with a .750" gas block, an A2 flash hider, and a Palmetto State Armory 13.5" lightweight M-LOK free-float rail. The upper receiver is forged from 7075-T6 A3 aluminum, meets MIL-SPEC standards, and features a hardcoat anodized black finish along with M4 feedramp cuts. The assembly includes a ToolCraft nickel boron Bolt Carrier Group with a shot-peened Carpenter 158 steel bolt, properly staked grade 8 gas key fasteners, and a charging handle.
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