Built with patented and proven Flow-Through and Torque Lock technologies the EL-QD 762 was designed and developed to meet the requirements of the U.S. Army�s Compact Semi-Automatic Sniper System (CSASS) and Squad Designated Marksman Rifle (SDMR) programs. The suppressor is coated in Flat Dark Earth (FDE) delivers 136-139 dB performance at the shooter�s ear is full-auto rated up to 7.62 and is cross compatible with 5.56 up to .300WM. - Weight: 19.3 oz. - Length: 7.2 in. - Diameter: 1.6 in.