Z-RAM Z-EXTENSION TUNING EXPANSION CHAMBER- ADD 8+ JOULES FOR ALL UMAREX HD / TR AND FSC/TCP hunting 1 x 11" BARREL W/

1 x  11" BARREL W/ MOCK SUPPRESSOR

the semi-auto-only variant for use in AEG gearboxes

Adjustable BAXS

3 12:1 Super High Speed Gear Set This is a 12:1 gear set made by SHS

this gun is used extensively in milsim and law enforcement training worldwide

Z-RAM Z-EXTENSION TUNING EXPANSION CHAMBER- ADD 8+ JOULES FOR ALL UMAREX HD / TR AND FSC/TCP hunting 1 x 11" BARREL W/Z RAM Tuning Co2 EXPANSION chamber extension (+8 joules min.) for HDR50 HDP HDB etc. If you want to get the most out of your HDR50, HDP50, HDS, HDB and most Umarex paintball guns then you should definitely try this Chamber Extension! This extension "export valve" was CNC machined from a very robust steel alloy and can be easily mounted on your marker with simple adjustments. Be sure to watch our installation video before you buy!: Video Our tuning