SingingShooter Posted March 5 Share Posted March 5 I recently bought some +4/5 base plate extensions for Glock 17 mags. The springs that came with the base plates were total junk (they compressed to almost 50% of the original length under the pressure of the first full mag of ammo and never sprung back. (Yes, I know, you get what you pay for!) What length of spring would I need to order to work with +4/5 base plate extensions? Quote Link to comment Share on other sites More sharing options...
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