<p><strong>Barrel</strong>: Chambered in 5.56 NATO with a 1:7 twist rate, M4 barrel extension, and a carbine gas system this barrel features a phosphate finish for accuracy and durability. It is finished off with a PSA 9" Lightweight Hex Full Picatinny M-Lok Free Float Rail, a .750" diameter low profile gas block, and an A2 flash hider.</p>
<p><strong>Upper</strong>: Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability. These uppers are made for us right here in the USA by a mil-spec manufacturer.</p>
<p><strong>Bolt Carrier Group</strong>: Bolt is made of mil-spec shot-peened Carpenter 158 steel and the gas key is secured with grade 8 fasteners and staked per mil-spec. The full auto carrier is made of 8620 steel.</p>
<p><strong>Lower</strong>: These forged lowers are quality made using 7075-T6 aluminum and are marked "MULTI" for caliber. The lower is finished with a Magpul BSL Pistol Stabilizer, Magpul MOE Grip, PSA Enhanced Polished Trigger (EPT), and Magpul MOE Trigger Guard.</p>
Save on PSA PA-15 10.5" 5.56 NATO 1/7 Phosphate 9" Lightweight Hex MLOK MOE EPT BSL Pistol with a Palmetto State Armory promo code