The DD5 V4 7.62x51mm NATO features a user adjustable gas block for reliable supressed shooting, and a 18" cold hammer forged proprietary steel chrome-lined barrel. The lower receiver has an enhanced flared magazine well and rear receiver QD swivel attachment point, and is the lower receiver is made from CNC Machined 775-T6 Aluminum. The buttstock and pistol grip are made of a glass field polymer with Soft Touch Molding, and is Daniel Defense DD5 Rail 15. with M-LOK attachment.