ECHO1 MK1 SR556 6" QUICK DETACH BARREL EXTENSION IN BLACK - OEM BY MADBULL AIRSOFT HPA System We applied the same concept

We applied the same concept used with our Version 3 Fusion Engine™ so that it is now able to interface with the selector plate and related components of your existing AEG’s gearbox

nunchuck style batteries can fit in the tubes or a small lithium polymer brick battery can fit at the rear of the stock in front of the buttpad

Muzzle Velocity: 350 FPS (w/

-(Ballistic plate and soft armor are not included)

• 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

ECHO1 MK1 SR556 6" QUICK DETACH BARREL EXTENSION IN BLACK - OEM BY MADBULL AIRSOFT HPA System We applied the same conceptMadBull 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