Next-generation SureFire gas flow dynamics further reduce flash signature. Revised muzzle design provides greater durability when subjected to extreme abuse. 60% less back pressure results in less toxic gas in the operator’s face improved reliability superior recoil control and a cleaner firearm. Optimized for 10.3-inch and longer barrels the SOCOM556-RC4 is 6.3 inches long and adds only 3.8 inches to the firearm for minimal impact on handling characteristics. 100% Inconel construction delivers the combat-proven reliability and durability that