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Recoil Spring after new load


mvslay

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I built up a new load at around 170 PF.  Previous I had been using WWB .45 ACP.  My gun was flawless with WWB although I was not.  I had a a feed hiccup today.  I started a tap, rack, bang and the feed issue cleared with just a tap.  I know I need to replace the mag springs and they are on order.

My question is this.  Do I need to lighten my recoil spring to compensate for the lower PF rounds?  My understanding is that a lighter spring will let the slide stay back longer and give the Mag a little more time to feed.  I've got a stock 16lb Wolf in it right now.

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Is this for a 1911? I run my loads at approx. 175 PF with a 12 lb spring and shock buff in my Trojan, but I have also used a 14 lb spring with no buff. Springs are cheap, I would start with a 14 and go lighter from there until you find the right feel and reliability.

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  • 4 weeks later...

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