Religious Shooter Posted May 11, 2011 Share Posted May 11, 2011 I have SVI mags for my nines. I want to get another 170mm tube (I already have two SVI big sticks) and I am looking at the STI. I've found that if I used the SVI mags in my Para, the optimal COAL (cartridge overall length) is different between the two mag types. I find that I need a longer COAL with the SVI mags than I do with the Para mags. Is it the same with an STI and an SVI mag? I don't want to have to need two different sets of ammo with different COAL lengths. Link to comment Share on other sites More sharing options...
Aircooled6racer Posted May 11, 2011 Share Posted May 11, 2011 Hello: The STI mags work better with spacers and you can load them the same as the SVI mags. I load to 1.170" OAL for my major 9mm loads. That is too long for any of my Production mags so ammo won't/can't get mixed up. It also makes it safe for someone who tries to use a round that I have left on the ground. Hope this helps. Thanks, Eric Link to comment Share on other sites More sharing options...
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