Stag 15 O.R.C. (Optics Ready Carbine) Rifles feature Stag’s high quality and long-lasting durability standards outfitted with standard GI carbine furniture. The Stag 15 O.R.C. features a 5.56x45mm NATO chamber 16 1/7 chrome lined barrel with a thermoplastic handguard mil-spec stock A2 birdcage flash hider and a mil-spec manganese phosphate coated M16 BCG. Every complete rifle from Stag Arms comes with a Transferable Lifetime Warranty an Infinite Shot Barrel Guarantee a magazine and a rifle case. – Weight: 6.5 lbs – Length: 32.25 collapsed 35.5 extended – Action: Semi-Auto Direct Impingement – Caliber: 5.56 NATO | .223 – Twist Rate: 1/7 Button Rifled – Muzzle Device: A2 Flash Hider – Barrel: 16 4150 Steel Chrome Lined Government Profile Manganese Phosphate Coated – Handguard: Thermoplastic Handguard – Receiver Material: Forged and Mil-Spec 7075 T6 Aluminum with Type 3 Hard Coat Anodizing – Bolt Carrier: Mil-Spec Manganese Phosphate coated M16 BCG – Gas System: Carbine Length with Railed Gas Block – Charging Handle: Standard Mil-Spec – Buttstock: Mil-Spec 6 Position Stock – Buffer: Standard Carbine Buffer and Spring – Trigger: Mil-Spec Single Stage Trigger – Grip: Mil-Spec Pistol Grip – Magazine: 30rd PMAG