Echo 1 MK1 SR 556 6.75" Quick Detach Suppressor Tracer Units/Barrel Extentions Attach directly on any 14

Attach directly on any 14 CCW AEG threaded Barrel

FRONT SIGHTS Fixed REAR SIGHTS Elevation OVERALL LENGTH 24

20g BBs Magazine Capacity: 17 Rounds Extra magazines available

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

Echo 1 MK1 SR 556 6.75" Quick Detach Suppressor Tracer Units/Barrel Extentions Attach directly on any 14Echo 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