Caliber: 9mm Luger. Barrel: 16” Melonite QPQ finish with 1/2x28 T.P.I thread protector. 1:10” RH twist. Semi-automatic blowback system, otherwise similar to Dissipator. Windham Weaponry 13” free-floating handguard with 2″ rail section. No sights. Ships with one 17-round Magpul magazine. Accepts all Glock-compatible mags. Weight: 6.72 lbs. without magazine. Length: 30.75” to 34.5”. Model R16FTT-9MM.