<p><strong>Barrel:&nbsp;</strong>13.7&quot; 4150V nitride finish barrel chambered in 5.56 NATO, with a 1:7 twist rate, M4 barrel extension, and a mid-length gas system. &nbsp;This A2 profile barrel is finished off with a 13&rdquo; PSA Quad Rail handguard, and a JMAC GFHC-E Pin/Weld muzzle device.</p>
<p><strong>Upper:</strong> Billet AR upper is hard coat anodized. &nbsp;Uppers include forward assist and Timbercreek E AR BCD dust cover. &nbsp;These uppers are made for us right here in the USA.</p>
<p><strong>Bolt Carrier Group:</strong> Sabre Lightweight Bolt Carrier Group. Shot-peened, mil-spec Carpenter 158 steel bolt. Gas Key Hardened to USGI Specifications, fastened with Grade 8 screws, and Staked Per Mil-Spec. The carrier is made with 8620 steel. The Bolt Carrier Group is Mag Phosphate finish and includes Springco Gas Rings.</p>
<p><strong>Lower:&nbsp;</strong>These billet lowers are quality made using 7075 &nbsp;aluminum and are marked &quot;MULTI&quot; for the caliber. The finish is hard-coat anodized. The lower comes with Battle Arms Pivot/Takedown Pins, Battle Arms Bolt Catch, Battle Arms Ambi-Mag release, Hiperfire RBT Trigger with JP Reduced Power Springs, Ambi-Bolt Release, and Taccom 3 Stage Buffer system.</p>
Save on PSA "Sabre" Billet 13.7" Mid-Length 5.56 with 13" Quad Rail, JMAC GFHC-E Pin/Weld & Magpul SL-S Furniture with a Palmetto State Armory promo code