Maple Leaf MR. Hop Up Rubber 80° Silicone for AEG.

The R-hop Rubber kit begin from a small group user who want to increase the range and hop effect of heavy bb.
The title "R" mean the "RANGE". But it need modify the original AEG hop rubber and stick the rubber patch by urself,
so its not easy for everyone and need some professional technique for that.

Degree recommendations:

• 50 degree up to 360 FPS
• 60 degree 290-390 FPS
• 70 degree 355-460 FPS (most popular)
• 75 degree 420-490 FPS
• 80 degree 480 FPS or higher