The stag 15 m4 features a 5.56x45mm nato/223 rem chamber 16", 1/7 chrome lined barrel with a thermoplastic handguard, a magpul moe trigger guard, a six position buttstock, a2 birdcage flash hider and a mil-spec manganese phosphate coated m16 bcg.Lowers stamped to reflect our new wyoming operations.Action: Semi-AutoCaliber: 5.56x45mm NATOBarrel Length: 16"Capacity: 30+1Trigger: Mil-SpecSafety: Safety Selector SwitchOal: 32.25"- 35.50"Weight: 6.75 lbsStock Description: Mil-Spec 6 PositionMuzzle: A2 Flash HiderReceiver Material: 7075-T6 AluminumSights: A2 Front/Carry Handle RearBarrel Description: Chrome LinedTwist: 1:7"Barrel Length Range: 16" to 16.99"Weight Range: 6 lbs to 6.99 lbsHand: RightStock Finish Group: BlackMetal Finish Group: Blued/Black