Maple Leaf Wonder Hop Up Rubber for VSR & GBB

Maple Leaf WONDER Hop Up Bucking | TM, WE, KJ GBB Slightly narrow entrance for better sealing to achieve more consistent power output Special pressure point geometry reduces inconsistency between shots for more predictable trajectory and longer distances C-Clip to enhance lip stiffness for further sealing Suitable for Marui / KJ GBB Pistols and VSR-10 compatible air cocking rifles Compatible with old style WE-Tech gas blowback pistol or rifles Wonder bucking works best with heavy weight BBs (.40g+) Works in VSR-10 rifles and WE/Marui/KJW gas guns. The Wonder hop up is good for long distance shooting.FPS compatibility: 295-390 FPSCompatibility: WE/Marui/KJW GBB pistols / WE-Tech GBBRs and VSR10 spring sniper riflesMaterial: Rubber