ECHO1 MK1 SR556 6" QUICK DETACH BARREL EXTENSION IN BLACK - OEM BY MADBULL AIRSOFT HPA System -(Ballistic plate and soft armor

-(Ballistic plate and soft armor are not included)

Hi-cap Magazine

• LED (Light Emitting Diode) 100% Safe for the Eyes • Unlimited Eye Relief for flexible mounting • Reticles: Red Dot (3MOA) • Seven Brightness Levels of Red Dot

Extra Battery

you can quickly change and adjust key functions of the engine via the on-board FCU (Fire Control Unit) which is no bigger than an AEG's MOSFET and can easily fit inside of a rifles battery compartment along with a small Li-po battery

ECHO1 MK1 SR556 6" QUICK DETACH BARREL EXTENSION IN BLACK - OEM BY MADBULL AIRSOFT HPA System -(Ballistic plate and soft armorMadBull 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