S&w m&p15 rifle is the ideal modern sporting rifle.It is versatile, reliable, and built to perform multiple uses under various conditions.It is also lightweight and rugged which embodies the best combination of function and form.The m&p 15 sport ii model offers enhanced upgrades to the original, m&p15 sport rifle.Features included a forward bolt assist and dust cover, forged 7075 t6 aluminum upper and lower, 6 position collapsible stock, and an armornite barrel finish.This optic ready model comes with a 30-round magazine. Metal Finish: Black Action: Semi-Auto Caliber: 5.56x45mm NATO Barrel Length: 16 Capacity: 30+1 Trigger: Two-Stage Safety: Manual Oal: 35 Weight: 6.50 lbs Stock Description: 6 Position Receiver Material: Aluminum Sights: None, Optic Ready Barrel Description: 4140 Steel Twist: 1:9 Barrel Length Range: 16 to 16.99 Weight Range: 6 lbs to 6.99 lbs Hand: Right Stock Finish Group: Black Metal Finish Group: Blued/Black