(Armorer Install) Length: 10 3/4" Weight: 1 lb 1.2 oz URX III RAS (RIFLE) P/N: 30005-3 Upper Receiver Extending Rail adapter System. (Armorer Install) Length: 12.5" Weight: 1 lb WHEN YOUR LIFE IS ON THE LINE MODULAR ACCESSORIES SIGHTS MICRO FLIP UP REAR SIGHT P/N: 25475 ...