What's in the Box Daniel Defense DD5 V4 308 Winchester Semi-Auto Rifle (2) 20-Round Magazines Cable Lock Owner's Manual The Daniel Defense DD5 V4 in 7.62x51mm NATO / .308 Winchester is a premium semi-automatic .308 rifle built for shooters who want long-range capability, dependable performance, and suppressor-ready versatility in a modern large-frame platform. Designed around the proven DD5 system, this rifle combines precision-focused engineering with the durability and reliability expected from Daniel Defense. At the center of the DD5 V4 is an 18-inch Cold Hammer Forged barrel made from Daniel Defense proprietary steel and chrome lined for long service life and consistent performance. Paired with a rifle-length direct impingement gas system and the Daniel Defense 4-Bolt Connection System , the DD5 V4 is built to deliver the accuracy, stability, and repeatability serious shooters expect from a .308 semi-automatic rifle. For shooters running a suppressor, the DD5 V4 includes a user-adjustable gas block with dedicated suppressed and unsuppressed settings. This system is designed to help maintain reliable cycling, reduce excess blowback, and provide a more consistent shooting experience across different configurations. The upgraded DD5 bolt carrier group is superfinished and DLC coated for enhanced lubricity, easier cleaning, and dependable operation in demanding conditions. A built-in buffer helps optimize cycling and improve recoil impulse, while the bolt features enhanced extractor geometry and dual ejectors for reliable function. Finished with the GRIP-N-RIP ambidextrous charging handle with anti-gas features, the DD5 Rail 15.0 with M-LOK attachment , and compatibility with SR-25 pattern magazines , the DD5 V4 is a refined 7.62 NATO rifle built to perform whether suppressed or unsuppressed. Firearm Features Includes Geissele SSA trigger User-adjustable gas block for reliable suppressed shooting Superfinished and DLC-coated bolt carrier group makes it easy to clean and operate in all conditions Bolt carrier is equipped with a buffer for optimized cycling and improved recoil impulse Bolt is designed with enhanced extractor geometry and dual ejectors for reliable cycling 18" Cold Hammer Forged proprietary steel chrome-lined barrel for a lifetime of accuracy and durability Innovative 4-Bolt Connection System to ensure greater accuracy GRIP-N-RIP independently ambi charging handle with anti-gas features for a better shooting experience Firearm Specifications Manufacturer: Daniel Defense Model: DD5 V4 Caliber: 308 Winchester / 7.62 x 51mm Barrel Length: 18" Barrel Profile: S2W (Daniel Defense Heavy Barrel) Gas System: Rifle Length Muzzle Thread: 5/8 24 TPI Mounting System: M-LOK Overall Length: 35 3/8" - 39" (with muzzle device) Magazine: x2 Magpul PMAG 20-Round Weight: 8.6 lbs Case: Daniel Defense Full-Latch Impact Plastic Case Lower Receiver: Enhanced Flared Magazine Well w / Rear QD Swivel Attachment Point Lower Receiver Material: 7075-T6 Aluminum Lower Receiver Finish: Type III Hard Coat Anodized Upper Receiver: CNC Machined 7075-T6 Aluminum Upper Receiver Finish: Type III Hard Coat Anodized Barrel: Daniel Defense Proprietary Steel, Cold Hammer Forged Barrel Length: 18" Barrel Profile: S2W Profile Barrel Twist: 1:8" (6.5 Creedmoor) / 1:10" (7.62) Barrel Lining: Chrome Lined Barrel Finish: Mil-Spec Heavy Phosphate Coated Gas System: Rifle Length, Direct Impingement Gas Block: User-Adjustable, 4140 Hardened Steel Muzzle Device: Daniel Defense Superior Suppression Device Muzzle Material: 17-4 PH Stainless Steel Muzzle Finish: Salt Bath Nitride Trigger: Geissele SSA Handguard: Daniel Defense DD5 Rail 15.0 Handguard Material: 6061-T6 Aluminum Handguard Attachment: M-LOK Receiver Extension: 7-Position 7075-T6 Aluminum Buttstock: Daniel Defense Polymer w / Soft Touch Overmolding Pistol Grip: Daniel Defense Polymer w / Soft Touch Overmolding Magazine Compatibility: SR-25 Pattern Magazines Country of Origin: Made in the USA