Different SWCHP and JHP loads with the same recoil spring?

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Different SWCHP and JHP loads with the same recoil spring?

Post by JoeW on 8/10/2017, 6:09 pm

I've been shooting JHPs on both the long and short lines and am considering switching to lead SWCHPs for the short line. A big part of my consideration is that I don't want to switch recoil springs during the match (I'm currently running a 14lb recoil spring that functions the gun beautifully with my 185gr JHPs using 4.1 VV N310 and a slide mounted Aimpoint).

My question is, how low could I go charge-wise with N310 or BE with the LSWCHPs and not need to change springs? Related, if I keep the same spring, will the new load make enough of a difference with felt recoil to justify loading them AND the JHPs? Any other ideas/things that I haven't considered? Welcome your thoughts!

JoeW

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Re: Different SWCHP and JHP loads with the same recoil spring?

Post by Jon Eulette on 8/10/2017, 6:33 pm

All pistols are not created equal Smile
You need to just experiment with your pistol and keep reducing load until your happy with your goal. Ejection pattern is what I typically look for. My pistols with slide mounted scopes are running 10# spring for 3.3 gr BE 200 gr lswc up to 3.8 gr BE with same bullet. Other pistols might use 12# spring for both or need a spring change. You just have to find out for yourself. No magic springs or loads out there. 
Jon
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Jon Eulette

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Re: Different SWCHP and JHP loads with the same recoil spring?

Post by Warhorse on 8/15/2017, 6:24 am

I shoot 185gr LSWC loaded with 3.9gr of Bullseye, and 185gr JHP loaded with 4.5gr of Bullseye out of my Les Baer with a slide mounted optic and a 9# spring. both loads run, and shoot good.

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Re: Different SWCHP and JHP loads with the same recoil spring?

Post by dronning on 8/15/2017, 6:35 am

The main spring and the firing pin stop (small or large radius) also impact the slides recoil speed. 
- Dave
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Re: Different SWCHP and JHP loads with the same recoil spring?

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