The Daniel Defense DDM4 300S PDW upper receiver group is designed for those seeking to build a high-performance SBR chambered in the versatile 300BLK cartridge. Utilizing a 7" barrel, this URG uses standard 5.56 bolts and magazines to deliver 30cal projectiles with greater muzzle energy compared to standard 5.56mm platforms. The DDM4 300S URG is versatile as it utilizes the ambi GRIP-N-RIP Charging handle to accomodate both left- and right-handed shooters. 

Technical Specifications:

• Upper Receiver: Mil-Spec with Indexing Marks and M4 Feed Ramps. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat Anodized
• Barrel: Chrome Moly Vanadium Steel, Cold Hammer Forged, 1:8 Twist, 7" S2W Profile, Pistol Length Gas System, Chrome Lined, Mil-Spec Heavy Phosphate Coated, and HP/MPI Tested
• Gas System: Pinned Low Profile Gas Block CNC Machined of 4140 Hardened Steel and Mil-Spec Heavy Phosphate Coating, Pistol Length, Direct Impingement
• Muzzle Device: Daniel Defense Flash Suppressor, 17-4 PH Stainless Steel, Salt Bath Nitride Finished
• Bolt Carrier Group: M16 Profile, Mil-Spec MP Tested, Chrome Lined, Properly Staked Gas Key
• Handguard: Daniel Defense DDM4 Rail 9.0, CNC Machined from 6061-T6 Aluminum, Type III Hard-Coat Anodized
• Charging Handle: GRIP-N-RIP Charging Handle, Body CNC Machined of 7076-T6 Aluminum, Handles & Latch CNC Machined of 6061-T6 Aluminum, Heavy Duty Stainless Steel Roll Pins, Type III Hard Coat Anodized
• Rails: Daniel Defense Rail Panels Made from Santoprene, Heat Resistant to 300° F
• Mounting System: Picatinny
• Weight: 3.65 lbs

What's in the Box:

Daniel Defense DDM4 300S URG

Owners Manual