Surefire

Caliber: 5.56 mm (.223 caliber) - Length: 2.67 inches - Patent-pending design provides over 99% flash elimination; virtually eliminates muzzle rise - Serves as rock-solid mounting adapter for SureFire SOCOM suppressors - Multiple bearing surfaces provide suppressor alignment and prevent tines from ringing inside suppressor - Precision machined from US mill-certified heat-treated stainless steel bar stock - High-precision single-point cut barrel threads for optimum thread interface - Individually inspected for all critical dimensions including concentricity and alignment - Ionbond DLC coating provides maximum protection against harsh environmental conditions and facilitates cleaning after extreme use - Labyrinth seals prevent carbon buildup on suppressor lock ring indexing system - Installation requires no permanent modifications to weapon - Made in the USA and backed by SureFire No-Hassle Guarantee