Action Army 6.03mm Gas M700 Barrel 640mm KWA/KSC This is a replacement hop

This is a replacement hop up chamber for all M4 type AEG airsoft guns

0 AEG - Black is a combat machine airsoft M4 that's new for 2017

as opposed to flopping around on the bottom by one small pivot point (typical bipods)

We recommend our Valken 1-4x20 Mil-dot Scope for use with this riser when you need those longer ranged shots

Action Army 6.03mm Gas M700 Barrel 640mm KWA/KSC This is a replacement hopThe Action Army 6. 03mm Gas M700 Barrel 640mm is made to fit in various airsoft guns. This will fit KJW M700 and PSG1 and other length AEG guns. Upgrade your gun's range and accuracy with this precision tightbore barrel.*Barrel has an AEG cut for hop.