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Old 01-01-2013, 17:18   #3
HunterLee's Avatar
Join Date: Dec 2012
Posts: 27
Some of the earlier Glock barrels for .40 S&W and 10mm had poor case head support so that would lead to case bulges.
As I understand it this was corrected in Gen 3 Glocks but also may include Gen 2 barrels as well but I am not well versed on the Gen 2 vs Gen 3 barrels in 40 and 10.
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