Features: Caliber: 5.56 mm NATO / .223 Capacity: 30 Rounds Barrel Length: 16" Action: Gas Operated Semi Automatic Overall Length: 35" Extended / 32" Compacted Stock: 6-Position Telescopic Forend: Troy 4-Sided 10" Free-Float Modular Rail Forend (MRF) Sight Length: 15" Barrel Twist: 1 in 9" Weight (No Mag): 7 lbs. Trigger Pull: 6.85 lbs. (approx.) Upper/Lower Material: 7075 T6 Aluminum Barrel Material: 4140 Steel Chromed Components: Barrel Bore Gas Key Bolt Carrier Receiver and Barrel Finish: Hard Coat Black Anodized Front Sight: Troy Adjustable Folding Battle Sight Rear Sight: Troy Adjustable Folding Battle Sight Purpose: Competitive / Recreational / Professional / Duty / Home Protection / Hunting