Action Army AAP01 GBB Part - Rotary Hop Up Chamber Valken AEGs Use this if you extend

Use this if you extend your rifle out with a longer outer barrel and/or faux suppressor

Use it to never lose your mags on the battlefield

The VSR specific cut is required for stock VSR-10 hop up chambers

LiPo are hobby-grade products and not consumer grade

Action Army AAP01 GBB Part - Rotary Hop Up Chamber Valken AEGs Use this if you extendAction Army AAP01 GBB Part Rotary Hop Up Chamber upgrade. A much nicer upgraded hopup chamber for use on AAP 001 airsoft pistols. Easy to adjust the hop with this awesome unit. Made to fit specifically on the airsoft AAP01 gas blowback pistol. Official Action Army product. Easy to install and upgrade with.