Maple Leaf Wonder Hop Up Rubber for VSR & GBB

Suitable for Marui / WE / KJ GBB Pistol, 
WE GBBRs and VSR-10 compatible Air Cocking Rifles

The new WONDER bucking from Maple leaf, is the latest in their line of hop rubbers, boasting an even larger contact patch.

The new patch design helps increase range, accuracy and overall hop effect on heavy ammo, including .48’s and .5 BB’s.

- Slightly narrow entrance for better sealing to achieve more consistent power output.
- C-Clip to enhance lip stiffness for further sealing
- Special pressure point geometry for improved long range performance

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 most compatible inner barrels)

Recommended hardness/FPS combinations:
50 degree: Up to 360 FPS
60 degree: 295-390 FPS
70 degree: 360-460 FPS
75 degree: 425-490 FPS
80 degree: 490 FPS up