SUREFIRE FLASH HIDER PORTED CLOSED M4/M16/AR

Caliber: 5.56 mm (.223 caliber) – Length: 2.67 inches – Patent-pending design provides greater than a 99% reduction in flash when compared to a plain muzzle – Multiple bearing surfaces provide superior suppressor alignment and prevent ringing of tines inside suppressor – Precision machined from US mill-certified heat-treated stainless steel bar stock – High-precision single-point cut barrel threads create optimum thread interface – Inspected for all critical dimensions including concentricity and alignment – Black Ionbond DLC coating provides maximum protection against harsh environmental conditions and facilitates cleaning after extreme use – Serves as rock-solid mounting adapter for SureFire SOCOM Series sound suppressors – Labyrinth seals mitigate gas leak from suppressor lock ring – Installation requires no permanent modifications for M4 / M16 / AR15 type weapons