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 an M4 profile, a 1 in 9" twist, and A2 flash-hider. The forged 7075-T6 aluminum flattop upper receiver 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 and offers a polymer Magpul MOE grip and Mil-Spec buffer tube. 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. Includes a 30-round magazine and a gun lock.