Caliber: 5.56 NATO. Similar to other Franklin Armory offerings but with billet lower. Incorporates integrated ambidextrous, anti-rotational Quick Detach sling mounts. Textured Memory Index Point, enlarged and beveled magazine well, integral oversized triggerguard. Front of the magazine well is also textured so it can be used as a grip for forward support. Carbine length, six-position collapsible stock. Barrel: 16” M4 Contour 1:7 RH twist. Handguard: 15” FSR. Sights: Magpul MBUS. Mid-length gas system. Stock: Magpul CTR. Grip: Ergo Ambi Sure. Add $110 for BFSIII trigger. Add $40 for 14.5” barrel with TRIUMVIR muzzle device pinned and welded.