Manufaturer Part Number: P516G3556N11BSig Sauer 516 G3 Pistol Specifications Manufacturer: Sig Sauer Model: 516 G3 Pistol Caliber: 5.56 NATO Capacity: 30+1 Action: Semi-Auto Operating System: Short-Stroke Piston Gas System: 3-Position Adjustable Barrel Length: 11.5" Barrel Material: Cold Hammer-Forged Steel Barrel Finish: FNC Twist Rate: 1:7" Thread Pattern: 1/2x28 Muzzle Device: SIG Flash Hider Compensator Frame Material: Alloy Frame Finish: Black Anodized Handguard: Free-Floating M-LOK Trigger: MatchLite Duo Curved Controls: Fully Ambidextrous Charging Handle: Rear and Side Non-Reciprocating Brace: Pistol Brace Overall Length Collapsed: 28.3" Overall Length Extended: 30.3" Height: 7.9" Width: 3.1" Weight: 7 lbs Magazines Included: 1 x 30-round