WATCHTOWER Firearms Military line lays the groundwork for an "All American Made" premium forged line. Meeting all military specifications and is manufactured with enhanced tolerances. The TYPE 15M rifle includes a 5.56 NATO black nitride Durabolt BCG and a choice between either a 5.56 NATO cold hammer forged or .223 Wylde stainless steel black nitride 16-inch with 1:8 rifling and a mid-length gas system. Surrounding the barrel is the 13.7-inch S7M free-floating handguard with M-LOK attachment slots at five positions, 4 QD points, and a full-length 1913 Picatinny rail. This rifle also comes with B5 Systems reinforced polymer pistol grip and buttstock.