first time on a automag forum, what are shims, and what are they good for? thanks.
first time on a automag forum, what are shims, and what are they good for? thanks.
Shims are used on with the level 10 bolt and the ultra light trigger. They are used to tune the two parts with your gun. Every gun is different and requires different number of shims. They are little mettal rings. You dont have to worry about them unless you have the lvl. 10 or ULT.
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