<p><strong>Barrel:&nbsp;</strong>13.7&quot; barrel chambered in 5.56 NATO, 1:7 twist, M4 barrel extension, and a mid-length gas system. Barrel is finished off with a PSA 13&quot; Two-Piece Quad Rail, and a JMAC GFHC-E pin and weld muzzle device.</p>
<p>This barrel is made especially for Palmetto State Armory by FN Manufacturing using their proprietary blend of hammer forged chrome molly vanadium that is referred to as &quot;Machine Gun Steel&quot; by virtue of its use in FN&apos;s M249 and M240 weapons. The hammer forging process work hardens the steel, making it more durable. In addition, the chrome process for the bore allows for a lining almost twice as thick as a standard M16 for enhanced durability.</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 T-Marked engraved.</p>
<p><strong>Bolt Carrier Group:</strong> Father&rsquo;s of Freedom BCG by Microbest with Sprinco Extractor Spring and Carpenter 158 MP Bolt.</p>
Save on PSA "Sabre" Forged 13.7" FN CHF CL Mid-Length 5.56 FSB with 13" Two-Piece Quad Rail and JMAC GFHC-E Pin and weld with a Palmetto State Armory coupon