Rezarf Posted May 20, 2010 Share Posted May 20, 2010 Hello- I recently picked up a M1 S90 that is marked HK. I really like the gun. However, it had a hard time cycling field/target loads... which I expected. I know these guns like full power loads. However, after doing lots of reading here, I have come to the conclusion I have to go in and clean up/replace the recoil spring in the stock. I am sure it is nasty, as the entire gun was covered in goop from tip to tail, but after about an hour with a tooth brush, solvents and a good oiling everything went back together clean and running smooth. I didn't get into the recoil assmebly as it isn't covered in the manual. So here is my question, I plan on opening it up, cleaning out the assembly. However, I would like to have another spring on hand in case the one I pull out is boogered up or rusted out. That said: What brand (or model) spring do you recommend for increased reliabilty? I will shoot mostly shot, 00, and slugs... found in 3 gun comps. However, if I can find a spring that allows more reliability with some of the lighter target loads I'd be all over that as well. I have read about the Wolf 25% increased power spring, and there is another spring (stainless) that also seems popular (the name slips me now). Is there anything else to do while I am in there? Thanks in advance- Drew Quote Link to comment Share on other sites More sharing options...
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