Merlin Orr Posted March 1, 2005 Share Posted March 1, 2005 I have a very heavy mainspring in my 6" Limited gun. About 19 #s I think. Has a slide that has been lightened and about a 14# recoil spring. I want to try a lighter mainspring. Is it acceptable to cut coils on the mainspring to lighten it? Would I be better off doing replacements with successively lighter springs till I get to where I want to be? What are those of you with light slide 6" guns using? Link to comment Share on other sites More sharing options...
Loves2Shoot Posted March 1, 2005 Share Posted March 1, 2005 They are cheap, buy several different weights and experiment until you find the sweet one. Cutting them works, but I haven't found a way to un-cut them if you go to far Link to comment Share on other sites More sharing options...
benny hill Posted March 1, 2005 Share Posted March 1, 2005 Merlin I put ISMI 17# in all the guns I build. They are great. Link to comment Share on other sites More sharing options...
Merlin Orr Posted March 2, 2005 Author Share Posted March 2, 2005 Merlin I put ISMI 17# in all the guns I build. They are great. Mr. Modest As my gun is presently in a brown truck heading to CC, TX right now... When I see it again I hope it has that very spring installed. Link to comment Share on other sites More sharing options...
tightloop Posted March 2, 2005 Share Posted March 2, 2005 I will be chastised for this, but I have always cut them....used to take 5 coils off a regulas spring to run my old comp gun... Link to comment Share on other sites More sharing options...
Jasonub Posted March 3, 2005 Share Posted March 3, 2005 dont know about open guns but i installed a 15 ismi and so far so good no cuts too Link to comment Share on other sites More sharing options...
Flexmoney Posted March 3, 2005 Share Posted March 3, 2005 The "45 shop manual" says to never cut more than two coils. I can't see any reason to ever cut one at all. Springs are cheap. Order a bunch next time you are ordering something else. (I can't believe that TL...of all people...would cut them) Just a little story to scare the MS cutters... I was putting a custom replacement grip on an STI that a local junior shooter had. I had to tear down the original MSH to get the parts off of it for the new one. When I pulled the cap pin...I waited and waited for it to do some "spinging". You know, that cool shooting of parts acrossed the room thing. Nothing. It was like opening a stale 2 liter bottle of pop. The spring that was in it was a chop job. The kicker was that this gun had always had issues with light primer hits. Once they ordered in a new MS, the shooter was able to finish out the year strong. I expect him to make A-class on his next classifer. Link to comment Share on other sites More sharing options...
tightloop Posted March 3, 2005 Share Posted March 3, 2005 Flex, it was way back when we were trying to find out what it took to run our pin guns...now, I don;t cut them...just slam in a fresh one and keep on shooting.. Link to comment Share on other sites More sharing options...
Flexmoney Posted March 3, 2005 Share Posted March 3, 2005 That makes me feel better. I know you don't like to point your own hammer or dremel tool towards your blasters...so I was suprised to see that you might clip the ms. Anything done during experimenting is good to go. Link to comment Share on other sites More sharing options...
SKR Posted March 9, 2005 Share Posted March 9, 2005 Spring bind is the only reason for me to trim a coil. Link to comment Share on other sites More sharing options...
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