Based on the U.S. Army's Next Generation Squad Weapon (NGSW) Rifle - Ambidextrous Bolt Catch/Release - Rear and Side Charging Handle - 6 Position Push-Button Folding/Collapsing Stock - 2 Position Adjustable Gas Valve - SLX/SLH QD Flash Hider - CALIBER 7.62X51 - FRAME MATERIAL ALUMINUM - FRAME FINISH COYOTE ANODIZED - BARREL MATERIAL CHROME MOLY STEEL - BARREL FINISH FNC - MAGAZINE CAPACITY 20 ROUNDS - SIGHTS OPTIC READY - TRIGGER CURVED MATCH - OVERALL LENGTH 25 in-35 in - OVERALL HEIGHT 8 in - OVERALL WIDTH 2.5 in - BARREL LENGTH 13 in - BARREL TWIST 1:10 in - WEIGHT W/MAGAZINE 8.6 lb