Maple Leaf Marui / WE GBB Pistol & VSR-10 Diamond Hop Up Rubber - 50

Slightly narrow entrance for better sealing to achieve more consistent power output
Special pressure point geometry greatly improves hop up performance and more predictable trajectory
Suitable for Marui / WE / KJ GBB pistols, WE GBBRs and VSR-10 compatible Air Cocking spring sniper rifles

NOTE: Due to special pressure point geometry, this product is optimized for use with inner barrels with open type hop up slot. (i.e. Marui original pistol inner barrel and open type Maple Leaf barrles)