gunner40sw Posted July 30, 2015 Share Posted July 30, 2015 Has anyone tried the new MBX Extreme competion magazines? If so can you tell me how they perform and any other info. I was thinking get one in 40 cal. Do the 40 cal hold 21 rounds. Link to comment Share on other sites More sharing options...
theKenny Posted July 30, 2015 Share Posted July 30, 2015 No Issues with my 9mm ones more info here: http://www.brianenos.com/forums/index.php?showtopic=209870&view=findpost&p=2436436&hl=%2Bmbx Link to comment Share on other sites More sharing options...
ogiebb Posted July 30, 2015 Share Posted July 30, 2015 had issues with the first batch nose diving but Adrian fixed the issue got my mags running really well I will be buying more soon. Link to comment Share on other sites More sharing options...
gunner40sw Posted July 31, 2015 Author Share Posted July 31, 2015 ok what about this I have new sti 140 mm tubes in 40 would bolen springs and followers and a taran 3mm base pad allow me 21 rounds in it Link to comment Share on other sites More sharing options...
mike_pinto Posted July 31, 2015 Share Posted July 31, 2015 Probably not. Very few, if any, STI tubes with any combination that fits in the gauge will allow you to get 21. The MBX magazines I have will allow 21 and thats without roll sizing. With roll sized brass, I can get a reloadable 21.. Link to comment Share on other sites More sharing options...
Chips0410 Posted August 1, 2015 Share Posted August 1, 2015 I run the 9mms for 3 gun have never had a issues with them so far so good Link to comment Share on other sites More sharing options...
sbo76 Posted August 2, 2015 Share Posted August 2, 2015 My 170 tube runs perfect and gets 30 with sc, 29 with 9mm. Link to comment Share on other sites More sharing options...
gunner40sw Posted August 3, 2015 Author Share Posted August 3, 2015 Thanks I will be ordering some and give it a try. Link to comment Share on other sites More sharing options...
factory2nds Posted August 3, 2015 Share Posted August 3, 2015 I purchased 4 170mm 9/38 mags back in may and they have ran flawlessly. The only thing I didn't like about them was the followers. It looks as if they are 3d printed or something. Sent from my SAMSUNG-SM-G920A using Tapatalk Link to comment Share on other sites More sharing options...
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