rumblestrip Posted July 26, 2017 Share Posted July 26, 2017 I confirmed today that the GP 20 round mags are 140mm, but what other combination of mags+extentions have others used to get to USPSA limit. Setting up to run my X-Cal in Carry Optics. David Copping didn't know, as he said, he's in the land of the 10 round mag. TIA! Link to comment Share on other sites More sharing options...
Stmark73 Posted March 16, 2019 Share Posted March 16, 2019 OE 15rd mags with cz custom’s mecgar 75 baseplate, follower and spring gets 21/22rds reloadable. OE 15 rd mags with long cz 75 basepad, follower and spring gets 22/23 reloadable. Need to sand the bottom of the long basepad to fit the gage. OE 20rd mag with cz custom follower and spring gets 21rds reloadble. thank you, Mark Santos Link to comment Share on other sites More sharing options...
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