Red Ryder Posted May 19, 2019 Share Posted May 19, 2019 Are these new 9mm mag tubes interchangeable with the old style 9mm/38 super STI mags? I have 4 old style mags (with spacers) with Dawson +2(3) base pads with Grams springs and followers. Can I just switch out the tubes, or are the followers different? Link to comment Share on other sites More sharing options...
EEH Posted May 19, 2019 Share Posted May 19, 2019 New Sti mags don’t need spacers . Link to comment Share on other sites More sharing options...
ARac40 Posted May 19, 2019 Share Posted May 19, 2019 Also, idk how it is with 9mm, but for .40, the followers are different. A gen two follower will not sit flush to the top with a gen one tube. It sits about 1/4 of an inch low. It does still work however. I made a Frankenstein mag up for dry fire with oem parts from a gen two mag with an old gen one tube after I swapped everything for tti guts. I wouldn’t run it in a match tho. Best of luck, -T Link to comment Share on other sites More sharing options...
Red Ryder Posted May 19, 2019 Author Share Posted May 19, 2019 New Sti mags don’t need spacers .I know Gen 2 mags don’t need spacers. That’s why I want to update my old style mags. I want to know if the springs and followers are the same. Link to comment Share on other sites More sharing options...
EEH Posted May 19, 2019 Share Posted May 19, 2019 Springs I think will be fine but need new followers, old followers are a little shorter. Link to comment Share on other sites More sharing options...
Fo0 Posted May 19, 2019 Share Posted May 19, 2019 If you are asking about the Grams spring/followers - then you need to purchase the model with no spacer for the Gen 2 STI tubes Link to comment Share on other sites More sharing options...
Red Ryder Posted May 21, 2019 Author Share Posted May 21, 2019 If you are asking about the Grams spring/followers - then you need to purchase the model with no spacer for the Gen 2 STI tubesThanks! Link to comment Share on other sites More sharing options...
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