The Hopup Chamber M4A unit is designed to accept 21

BRAND: WE Tech

Standard Version 3 full metal gearbox with 9mm bearings and is fully upgradable with a plethora of aftermarket parts

ASTM Certified for paintball and airsoft use

you can immediately know if the magazine is filled to capacity

Magpul Barricade Stop W.E. The Hopup Chamber M4A unitThe Magpul Barricade Stop is a rugged hand stop that allows the shooter to support their firearm off barricades or field expedient shooting rests to create a stable platform for more accurate shots. The Barricade Stop is constructed of a polymer body and a textured, QPQ ferritic nitrocarburized steel plate insert for confident contact with your shooting rest. The metal plate is slightly curved for optimized contact on uneven surfaces and provides the