Maple Leaf MR Silicone hop-up bucking 85° VSR/GBB Black

MR. Hop 2021 silicon line is high quality hop-up bucking by Taiwanese Maple Leaf brand.

Features of MR. Hop line:
- for GBB inner barrel (Marui/WE/KJW/VSR10)
- no modification is needed
- larger and wider contact area inside of BB pellet
- the „shield“ shape groove design has better hop-up effect
- better hop-up effect with heavy BB
- anti-frozen silicon material
- good function in cold weather

Wide range of bucking hardness for different muzzle velocity:
- green 50° for muzzle velocity below 110 m/s (360 fps)
- yellow 60° for muzzle velocity 90 - 120 m/s (295 - 390 fps)
- blue 70° for muzzle velocity 110 - 140 m/s (360 - 460 fps)
- pink 80° for muzzle velocity 130 - 150 m/s (430 - 490 fps)
- black 85° for muzzle velocity over 150 m/s (490 fps)