DD DDM4 300S URG 300BLK 10.3" BLACK CZ Mags -Each tube is size laser

-Each tube is size laser marked for easy reference

360-degree pan with tension adjustment

allowing for quick and accurate follow-up shots

Chrome Lined

S&B's commitment to quality ensures dependable performance and consistent ignition across all rounds

DD DDM4 300S URG 300BLK 10.3" BLACK CZ Mags -Each tube is size laserDANIEL DEFENSE DDM4 300S URG 300BLK 10. 3" BLACK The DDM4 300S AR15 style Upper Receiver Group is designed for those demanding a high performance, short barrel rifle chambered in the versatile 300 Blackout cartridge. Built around a 10. 3 inch barrel, the 300S Upper Receiver Group uses standard 5. 56 bolts and magazines to deliver . 30 caliber projectiles with greater muzzle energy than comparable 5. 56mm platforms. With a wide variety of factory