Bwilmot Posted January 15, 2018 Share Posted January 15, 2018 I recently acquired an SPS Vista short in 9mm. Up to now I’ve been a glock shooter and am in the process of learning the 2011 style guns. After looking at the recoil system in the Vista it looks to be a commander length system with a full size rod. What springs would I use for tuning ? Commander or cut down full size ? Also if any one has one of these what is the best spring wieght to start with for 124gr Bullets @ 170ish pf? Link to comment Share on other sites More sharing options...
mro111lland Posted January 15, 2018 Share Posted January 15, 2018 (edited) I have been shooting one for 2 years now for best reliability i run a 10 pound variable weight comander length spring and a 19 pound hammer spring if y haven't yet ditch the factory mount go with a 90 degree if running a Cmore in running a Delta point ECT will work fine And yes I'm running 124 mg 8.3 hs6 Edited January 15, 2018 by mro111lland Link to comment Share on other sites More sharing options...
Bwilmot Posted January 15, 2018 Author Share Posted January 15, 2018 Thank you for the spring help ? the mount is already gone lol I’m running a non set back 90deg Cheely cmore mount. So far the gun is running well but needs some improvements. Is yours close to stock or have u done upgrades on it. So far I’ve just put an aftec in but I have ordered a new extreme Sti grip and magwell. Going to order variable commander spring now lol. Do u run a buff? Link to comment Share on other sites More sharing options...
mro111lland Posted January 15, 2018 Share Posted January 15, 2018 Yes I running a buffer and I also have an sti grip on mine with Dawson magwell after extractor Brazos ejector and nolen trigger kit Some thing to watch for when I installed the sti grip the sear and disconnecter leaf spring did not sit hi enough on the disconnecter causing hammer follow to fix it i cut the slot in the grip higher and installed a spacer Just something to watch for Link to comment Share on other sites More sharing options...
Bwilmot Posted January 15, 2018 Author Share Posted January 15, 2018 Sounds like I’m on the right track ? if I can just get this gun to run as flat as my 9major glock open I’ll be happy with it. Have you had to open up any new ports or holes ? Or is the 2 port comp getting the job done ? Link to comment Share on other sites More sharing options...
mro111lland Posted January 15, 2018 Share Posted January 15, 2018 I have 2 holes in the barrel centered in each slide cup and side holes in the front port on the comp helped alot Think the barrel holes are 3/16th and same with comp holed mine shoots just as flat as my friends grand master sti Link to comment Share on other sites More sharing options...
mro111lland Posted January 15, 2018 Share Posted January 15, 2018 I will try to post some pics later today for you Link to comment Share on other sites More sharing options...
Bwilmot Posted January 15, 2018 Author Share Posted January 15, 2018 Very cool thank you ? I’m seeing a trip to the machine shop in my future Link to comment Share on other sites More sharing options...
Bwilmot Posted January 15, 2018 Author Share Posted January 15, 2018 With all your upgrades Are you still running The factory firing pin stop ? Link to comment Share on other sites More sharing options...
mro111lland Posted January 15, 2018 Share Posted January 15, 2018 No have an egw oversized stop fitted to it bottom is cut at the same angle not squaired off shot it squaired off didn't feel right to me Link to comment Share on other sites More sharing options...
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