Del-Ton Incorporated is proud to offer a complete line of AR-15 style modern sporting rifles proudly built in Elizabethtown, North Carolina. Their Echo 316 has a 16" lightweight barrel with a 1 in 9" twist, a threaded muzzle, and an A2 flash-hider. The forged 7075-T6 aluminum A3 flattop upper receiver with white t-marks houses a phosphated 8620 steel carrier assembly that's designed to fire smoothly even after thousands or spent rounds. The Mil-Spec M4 stock is both lightweight and durable with a 6-position adjustable buttstock for comfort and precision. Other notable features include: CAR handguards with single heat shields, an ejection port cover, a round forward assist, and an aluminum trigger guard, delta ring, and mag-catch button. Each rifle comes with a 30-round magazine and a gun lock.