an1913t Posted April 9, 2009 Share Posted April 9, 2009 Just wondering how many rounds I should expect to fit in a factory STI 140 mag with factory spring and follower with a Dawson +1 basepad. I've tried loading a couple and am only getting 16rd with the last almost impossible to get in. Thanks. Link to comment Share on other sites More sharing options...
sfinney Posted April 9, 2009 Share Posted April 9, 2009 A factory 140mm mag with stock follower spring and base plate, should hold 18. With the Dawson pad, 18 or 19. Add a Grams kit and get 19 or 20. Sometimes the last 3 or 4 rounds are hard to get in... try lightly rapping the magazine up and down on a hard surface in between rounds, you should be a able to get the last few in that way. Or try a loading device. Link to comment Share on other sites More sharing options...
00bullitt Posted April 9, 2009 Share Posted April 9, 2009 (edited) For STI tubes my favorite and most reliable combintation is to use the ISMI 11 coil spring with a Dawon 40/45 follower and Dawson +1+ SNL pads. I trim the leg off the bottom of the follower and hold 20 tight and 19 reloadable in an STI tube. I have one that holds 20 reloadable. ISMI springs just seem to never wear out. I have had the same springs for over 2 years and they still function fine. My Grams springs on the other hand......not so good about a quarter of that. Bolens spring and followers are hit or miss in STI tubes. If they work they can hold 21. Just about every STI tube I have used them in rollover and bind up the mag. Rocket35 has had great luck with his STI tubes out of the package with Bolens.The +1 Dawson Pads yield 1 round less usually than the +1+ SNL. Edited April 9, 2009 by 00bullitt Link to comment Share on other sites More sharing options...
kgunz11 Posted April 9, 2009 Share Posted April 9, 2009 With Bolen Springs and followers 21, reloadable 20 pretty easy. Link to comment Share on other sites More sharing options...
Chris Keen Posted April 9, 2009 Share Posted April 9, 2009 I have used the Dawson +1 pads, with the Grams 11 coil springs & Grams followers to get 20 rounds reliable. I still use these mags to start a stage where I need to do a reload, but all my reload mags are HSmith mags which hold a RELOADABLE 20 rounds. Link to comment Share on other sites More sharing options...
an1913t Posted April 9, 2009 Author Share Posted April 9, 2009 Thanks for the info. Link to comment Share on other sites More sharing options...
G-ManBart Posted April 10, 2009 Share Posted April 10, 2009 Thanks for the info. I have one Dawson Super Tuned STI 140 that will only hold 17 with a Dawson +1 on it. I haven't measured it to see why it's different from all the others....it works 100% and I just use it as a barney mag. R, Link to comment Share on other sites More sharing options...
Joe4d Posted April 10, 2009 Share Posted April 10, 2009 Dawson followers, STI springs and Dawson +1's gives me 19 easy reloadable. Which are my general reload mags. My start mags are the same setup with 2 mags that make the gauge with Dawson SNL's and give me an easy 20+1 start but I have run them at 21+1 in practice. I havent run into any 22 round stages recently but will run that if and when I do. Link to comment Share on other sites More sharing options...
an1913t Posted April 13, 2009 Author Share Posted April 13, 2009 Sounds like I need to pick up some new springs and followers. Link to comment Share on other sites More sharing options...
TISCHLJ Posted April 14, 2009 Share Posted April 14, 2009 19 or 20 with STI tube, Grams follower kit and Dawson basepad. 19 is most reliable to reload, but given the ground to cover to the next position, the 20 will reload. . . Keep in mind the STI tubes/feed lips separation vary in dimension and may require some tweaking to function reliably with 20. Link to comment Share on other sites More sharing options...
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