ECHO1 MK1 SR556 6" QUICK DETACH BARREL EXTENSION IN BLACK - OEM BY MADBULL AIRSOFT HPA System Uniform shot-to-shot air volume discharge

Uniform shot-to-shot air volume discharge allows for unmatched velocity consistency

Three white dot combat sights

Hi-cap Magazine

Extra Battery

One (1) G-mag Features: Polymer Rail System & Receiver Flip up Front & Rear Sights Uniquely Designed Flash Hider for Amplified Sound Lockable Ergonomic Collapsible Stock Reliable G&G Combat Machine Internals Ambidextrous rear sling adaptor Ergonomic Pistol Grip Compact Design for CQB

ECHO1 MK1 SR556 6" QUICK DETACH BARREL EXTENSION IN BLACK - OEM BY MADBULL AIRSOFT HPA System Uniform shot-to-shot air volume dischargeMadBull 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 6 and 6. 75 comes with a standard flash hider