MR HOP hop-up rubber by Maple Leaf for extra range with heavier BBs.
Shape: Maple R-Hop.
Silicone version for cold weather.
Hardness of 60 shore (110-130 m/s).
Front C-Clip for improved sealing.
Compatible with GBB / VSR inner barrels without a bridge.
Suitable for gas rifles and pistols (Hi-Capa, Glock, etc.) and sniper rifles with chambers designed for VSR hop-up rubbers.