Maple Leaf Wonder Hop Up Bucking for Marui / WE / KJ GBB Pistol & GBBR & VSR

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