MR. HOP 70° HOP UP Bucking AEG 

A highest-quality Hop-Up bucking by Maple Leaf intended for installation in standard AEG replicas. A Hop-Up bucking with 70° hardness. The bucking features special, external outlets that positively affect the sealing of the Hop-Up system. A specially designed R-HOP pressing element positively affects the BBs trajectory and improves accuracy.