<p>Explore the Palmetto State Armory PA15 16" Nitride M4 Carbine 5.56 NATO B5 Systems AR-15 Rifle in Olive Drab Green. <br /><br />Discover a classic-styled AR-15 Rifle with modern B5 Systems Furniture, PSA Nitride 5.56 Barrel, & PSA Mil-Spec FCG. Meticulously designed for exceptional performance, reliability, and versatility with cutting-edge features to offer an unparalleled shooting experience. </p> <p><strong>Barrel:</strong> Crafted from durable Chrome Moly Vanadium steel, this barrel is chambered in 5.56 NATO and boasts a 1:7 twist rate, M4 barrel extension, and a carbine-length gas system. The barrel is adorned with a stylish B5 Systems M-LOK Olive Drab Green carbine-length handguard, an F-marked .750 front sight base, and an A2 flash hider.</p> <p><strong>Upper:</strong> For exceptional performance, the upper receiver is forged from 7075-T6 A3 AR aluminum, meticulously machined to MIL-SPECS, and hard coat anodized. Each upper includes a forward assist and dust cover, ensuring top-notch functionality. These superb uppers are proudly manufactured in the USA by a Mil-Spec producer.</p> <p><strong>Bolt:</strong> The full-auto profile bolt carrier group features a robust, shot-peened, mil-spec Carpenter No. 158® steel bolt. The gas key is hardened to USGI Specifications, securely fastened with grade 8 screws, and staked per Mil-Spec standards. The 8620 steel M-16 profile carrier ensures reliable performance.</p> <p><strong>Lower:</strong> Quality forged lowers are expertly crafted using 7075-T6 aluminum and marked as "MULTI" for caliber. The finish is hardcoat anodized for exceptional durability. The Mil-Spec diameter 7075-T6 buffer tube, with six adjustment positions, is also hardcoat anodized, complemented by a B5 Systems Bravo Carbine Stock for added comfort. The grip and trigger guard are Olive Drab Green B5 Systems components, while the fire control group is a PSA single stage, Mil-Spec.</p>