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Posted On: 6/14/2021
A: Absolutely sir! Glock pistols are backward compatible as far as magazines are concerned. A Gen 4 mag will function correctly in your Gen 5 G19.
Posted On: 5/16/2021
A: Absolutely Kendra! All Glock 19 parts including the magazine are compatible with a PF940C.
Posted On: 5/25/2020
By: Jayson Johnson
A: Hi Jayson! Gen 4 Glock magazines are backwards compatible going all the way back to Gen 1. This mag will function correctly in your Gen 3!
Posted On: 5/2/2020
By: Gary Feraci
A: Absolutely, the SUB2000 is made to accept Glock magazines. This guy here made a great video all about it! youtube.com/watch?v=8GnbHzYoaz4
Posted On: 3/13/2020
By: Christopher Bisler
A: We just called the good people at Ruger to get to the bottom of this. They say they're not sure if a Glock mag would work in the 9E or SR9, and also that they don't recommend trying it. We'll have to defer to their expertise on the matter!
Posted On: 12/26/2016
A: Hello George,
You will have no issues at all using any Gen4 magazines in a Generation 3 Glock!