Calibers: 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 over-sized triggerguard. The 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 in. 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.