Unicorn 86mm Inner Barrel Hop Up Set for Umarex VFC Glock G45 / G19X / G19 Gen4 GBB Pistol Airsoft ( Screw Adjustment ) Default Category/Airsoft Parts/Stock/Buttstock/Folding Stock/Stock Adapter The elastic and Velcro straps

The elastic and Velcro straps are all pretty generous so besides M4 magazines it can probably handle similarly sized magazines as well

Not included Slide

For Tokyo Marui MWS M4 Gas Blowback Airsoft Series

and 100% positive manipulation within conditions beyond extreme

QMT™ has a built in shut off mechanism which allows the tube to be disconnected without spilling

Unicorn 86mm Inner Barrel Hop Up Set for Umarex VFC Glock G45 / G19X / G19 Gen4 GBB Pistol Airsoft ( Screw Adjustment ) Default Category/Airsoft Parts/Stock/Buttstock/Folding Stock/Stock Adapter The elastic and Velcro strapsUnicorn 86mm Inner Barrel Hop up Set ( Screw Adjustment ) For Umarex VFC G45 GBB Pistol Airsoft For Umarex VFC G19X GBB Pistol Airsoft For Umarex VFC G19 Gen4 GBB Pistol Airsoft 86mm Inner Barrel