The Daniel Defense 15707258047, also known as the DD5 V4 7.62x51mm NATO, comes with a user-adjustable gas block that ensures reliable suppressed shooting. It boasts an 18\" cold hammer forged barrel constructed from our exclusive proprietary steel, complete with a chrome lining. The lower receiver possesses an enhanced flared magazine well along with a rear receiver QD swivel attachment point, all of which are intricately crafted from CNC Machined 7075-T6 Aluminum. The buttstock and pistol grip are designed from a robust glass field polymer and furnished with Soft Touch Molding for comfort. The highlight is the Daniel Defense DD5 Rail 15.0, equipped with M-LOK attachment capabilities.