The rail is made out of Type 3 hard-coat-anodized aluminum. The free-floating nature of the rail allows for less torque on the barrel, making it easier to shoot tighter groups. This all-metal free-float rail system (TMARFF13KRS) allows secure mounting for KeyMod accessories such as MIL-STD 1913 Picatinny Rails, tactical accessories like vertical grips, bipods, lights, lasers and other rail mounted kits. The rail is available in black and scorched dark earth colors and features a lifetime warranty.Mission First Tactical, a USA-made rifle/carbine accessory maker, has released the $200 TEKKO Metal AR Free Float 13.5-inch KeyMod Rail System. Minor assembly and a low-profile gas block (MFT E2LPGB) are required. It has a monolithic top rail that eliminates the gap between the receiver and rail. It comes with a patent-pending mounting, indexing, and lock-up system that utilizes a standard barrel nut. The rail was designed to accommodate most suppressors while allowing use of the KeyMod mount locations with 1.7-inch internal dimensions. Mission First Tactical, a USA-made rifle/carbine accessory maker, has released the $200 TEKKO Metal AR Free Float 13.5-inch KeyMod Rail System.

Tactical keymod accessories