HopUp Bucking - RH55 - VSR, G17, Hi-Capa, M1911
KM-Head - HopUp Bucking - RH55 - VSR, G17, Hi-Capa, M1911
- Improved performance over stock hop up.
- Multi platform compatibility: KJ, WE, Umarex, and TM gas blowback pistols and SMGS (TM internal compatibility).
- x1 KM Uretance Rubber Chamber RH55 for Tokyo Marui GBB / VSR-10 Series