Thread: G34
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Old 10-17-2011, 07:07   #3
hoghunter82
FL Glocker #182
 
Join Date: Jan 2011
Location: Central Florida
Posts: 846
JR,
I did a little research after I posted (should have done it before I posted!). Looks like the AT stands for Austria. Means the barrel was made in Austria. The Pentagon refers to the grade of steel used. At least this is what the majority of the searches I've done turn up. It does not have the proof mark on the slide.
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