60 Degree Normal Bucking x2 + Regular Spacer x2

Why 60 Degree?
60 degree rubber is softer than normal 80-90 degree rubber.
It is much easy to install and operate the softer rubber bucking.
The B.B. will shoot out easy without headache and need less skills to upgrade
Cons: This item may last shorter than the regular rubber.

How to install:
(1) Please apply some oil outside the bucking when installing.
(2) If you have problems to shooting, please apply some oil "inside" the bucking.

About this product:
This is a normal rubber bucking with softer ruubr material.