PSA 18" Rifle Length .223 Wylde 1:7 SS 15" Lightweight M-lok Upper With Nickel Boron BCG & CH

Overview

This upper receiver features a 416R stainless steel barrel chambered in .223 Wylde with a 1:7 twist rate, M4 barrel extension, and a rifle-length gas system. The barrel is finished with a PSA 15-inch Lightweight M-Lok free-float rail, a .750 gas block, and an A2 flash hider. The forged 7075-T6 A3 AR upper receiver is machined to military specifications and hard-coat anodized. It includes a 5.56mm nickel-boron-coated bolt carrier group with a C158 bolt, alongside a hardened gas key secured with Mil-Spec staked Grade 8 fasteners, and a charging handle.

Price & Stock History

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