SPRING GUIDE SHIMS FOR G17 GEN 4 COW COW (COW-12-030593)

Set of short stroke shims that reduce blow back
They are positioned on the recoil spring guide together with the recoil spring.
The materials used mean that the washing machines resist even the most demanding power settings without problems.
The set includes 4 types (2 pieces each) of washers with various hardnesses: 45° yellow / 55° red / 65° blue / 75° black. In addition to the polymer washers, the set includes 3 steel spacers.
The washers are intended for the 6mm spring guides in TM G17 Gen4 replicas.