Z-RAM Z-EXTENSION TUNING EXPANSION CHAMBER- ADD 8+ JOULES FOR ALL UMAREX HD / TR AND FSC/TCP hunting the semi-auto-only variant for use

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

1 x  11" BARREL W/ MOCK SUPPRESSOR

The Handguard extends past the front handguard cap and front sight post

The SA-E01 EDGE™ carbine replica

Z-RAM Z-EXTENSION TUNING EXPANSION CHAMBER- ADD 8+ JOULES FOR ALL UMAREX HD / TR AND FSC/TCP hunting the semi-auto-only variant for useZ 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