Echo 1 MK1 SR 556 6.75" Quick Detach Suppressor Tracer Units/Barrel Extentions which allows the discerning Airsoft

which allows the discerning Airsoft player to find the optimal solution for any AEG build

designed to fit Airsoft M16's/M4's/HK416's

Includes adjustment tool • Rubber Push Button On/Off Switch • Uses 1 CR123A Lithium Type Battery (Included)

FRONT SIGHTS Fixed REAR SIGHTS Elevation OVERALL LENGTH 24

Echo 1 MK1 SR 556 6.75" Quick Detach Suppressor Tracer Units/Barrel Extentions which allows the discerning AirsoftEcho 1 MK1 SR 556 6. 75" Quick Detach Suppressor MadBull has partnered with Echo1 to bring to you Echo1s MK1 SR 5. 56 Quick Detach Barrel Extension. The MK1 is a unique barrel extension because of its quick detach feature. This allows you to attach or remove the barrel extension in one simple step. The MK1 package comes with the barrel extension and flash hider specially designed for quick detach function. There are 3 lengths of barrel extensions. The