Any chance you can do the same type of chart for us bolt action guys? I have a 300% in my upgraded CA M24 (pushing average 504fps with .2g BBs) and want to dump it down to 400fps before I get out to play. I am thoroughly confused what to get. I'd rather just buy the right spring than have to deal with trying a few different types, and having to settle (or worse, cut a few coils off) for something that works, but could be better.
Since a good chunk of guys here use bolt action sniper rifles, AI think it'd go over really well if REAL info was available, as those that I have asked have given varying info. I thought maybe a 200% would get me down to ~400fps, but have been told once that even a 200% can spit out close to 600fps.
PDI spring ratings confuse the crap outta me. At least I can assume that FF springs you just add the number to the stock spring fps. If I want to get 400fps out of my '24, an FF150 would add 150fps to the roughly stock 280fps, giving 430ish?
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