Don’t bring a knife to a gun fight… unless you have this RFB Bayonet Lug! This kit is designed to allow the shooter to attach a Bayonet (standard style to the M9 Bayonet) to the RFB Rifle ONLY; this kit does not work for the Kel-Tec’s other rifles. This kit does include one (1) Bayonet Lug one (1) Hex Key one (1) set screw and Installation Instructions.