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Glock proof marks

878 Views 2 Replies 3 Participants Last post by  voyager4520
I have read some posts concerning Glock proof marks. Can someone explain this to me and what to look for?
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Some folks find the Austrian proof marks desirable and are willing to pay more. Doesn't make a lick of difference though. Just an extra stamp required by some of the non-US countries that import the pistol.
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