PSA 16" M4 Carbine-Length 5.56 NATO 1:7 Nitride B5 MLOK Upper No BCG & CH, FDE

Palmetto State Armory

Overview

The PSA 16" M4 Carbine-Length Upper Receiver is a complete assembly designed for the AR-15 platform, featuring a 16-inch barrel chambered in 5.56 NATO with a 1:7 twist rate. This twist rate is ideal for stabilizing a wide range of bullet weights, making it versatile for various shooting applications. The carbine-length gas system ensures reliable functioning and a manageable recoil impulse, while the FDE finish provides a tactical aesthetic. This upper is commonly found in builds focused on versatility and practicality, suitable for both range use and home defense.