What's in the Box Sig Sauer SIG16 G3 5.56 NATO Semi-Auto Pistol (1) 30-Round Magazine Cable Lock Owner's Manual The Sig Sauer SIG16 G3 features an 11.5" cold hammer-forged barrel, 30+1 capacity & M-LOK handguard. Its Matchlite Duo trigger, optics-ready design & flash hider deliver versatile performance. Firearm Specifications Manufacturer: Sig Sauer Model: SIG16 G3 Caliber: 5.56 NATO Action: Semi-Auto Finish: Black Anodized Magazines: 1 Capacity: 30+1 Barrel Length: 11.5" Barrel Material: Carbon Steel Barrel Type: Cold Hammer Forged Grips: Black Polymer Hand: Right Hand Handguards: M-Lok Height: 7.90" Muzzle: Flash Hider Rate Of Twist: 1:7" Recoil Pad: N Safety: Safety Lever Series: G3 Sights: Optics Ready Stock Description: Adjustable Stock Material: SYNTHETIC Swivel Studs: N Trigger: Matchlite Duo Curved Weight: 7 lbs Width: 3.10"