CSI677 Posted January 7, 2016 Share Posted January 7, 2016 Hey guess I'm a new poster to the forums and I hope this topic hasn't come up previously but I wasn't able to find it in a search. I am customizing a 1911 45 ACP and I am going to be lightening the slide a bit to around 11-12 ounces. I am looking for some insight on what poundages to look for in a recoil spring. I will be reloading but I also want to be able to throw some factory ammo in it and go. Any help will be greatly appreciated. Link to comment Share on other sites More sharing options...
mach1soldier Posted January 7, 2016 Share Posted January 7, 2016 I went down from a 16 to 13 on my forty but only dropped 3 ounces. You really need to go shoot it and have a few spares to see what you like. I love a 12lb spring in my .40 but it beats the barrel up. Link to comment Share on other sites More sharing options...
ParaGunner Posted January 7, 2016 Share Posted January 7, 2016 I never used below a 14lbs recoil spring for a 45 acp. Link to comment Share on other sites More sharing options...
racknrider Posted January 7, 2016 Share Posted January 7, 2016 I use 11lb with an aluminum shock buff. A local builder/competitor told me he runs a 10 with a buff. Link to comment Share on other sites More sharing options...
CSI677 Posted January 7, 2016 Author Share Posted January 7, 2016 King, is that with a lightened slide? Link to comment Share on other sites More sharing options...
ParaGunner Posted January 8, 2016 Share Posted January 8, 2016 King, is that with a lightened slide? No lightened slide, I was shooting SS division. Link to comment Share on other sites More sharing options...
Aircooled6racer Posted January 8, 2016 Share Posted January 8, 2016 Hello: I use a 14lb ISMI recoil spring for major and a 12.5lb ISMI recoil spring for minor in 45acp single stacks. Thanks, Eric Link to comment Share on other sites More sharing options...
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