The DD5 V4 chambered in 7.62x51mm NATO provides users of the Daniel Defense semi-automatic platform even greater long-range precision shooting capability. This rifle includes an adjustable gas block that allows for a consistent feel whether shooting suppressed or unsuppressed. The DLC Coated bolt carrier group reduces overall recoil impulse and is easy to maintain and operate in all conditions. The 4-Bolt Connection System to ensures greater accuracy GRIP-N-RIP independently ambi charging handle with anti-gas features for a better shooting experience. Features an enhanced flared mag well and rear receiver QD swivel attachment point and a Daniel Defense DD5 Rail 15.0. Accepts All SR-25 magazines. Made in the USA. Ships w/o magazine.