STRIKER HOP UP Chamber For VFC / Umarex GBB Pistols
- Designed for Umarex Glock dedicated base.
- Precision CNC machined aluminum hopup
- High quality, heavy duty Nickel Plated Copper barrel
- Precision 6.05mm inner diameter
- Grooved channel has your BB riding on an air cushion to reduce friction and drag
- Heavy weight, rigid barrel minimizes barrel vibration, improving accuracy and consistency
- Easy to install, complete drop-in upgrade kit