Lee Bell Posted January 3, 2007 Share Posted January 3, 2007 As mentioned in other threads, I have a Colt Delta Elite 10mm. I plan to do three things with the same gun: 1. Use it as a hog defense gun in the Everglades. Hogs are nasty when angry and much of the Everglades lacks trees I can climb until the hog gets tired of waiting for me to come back down. For this application, I'll use 180 grain JHP bullets at something like 1,200 fps. 2. For now, as a 10mm action shooting gun, probably in Limited 10. I'll use 180 grain JHPs at velocites necessary to make major, around 1,000 fps. 3. Later, as a .40 caliber action shooting gun, probably in Limited 10. I'm going to have the pistol fitted with a .40 caliber barrel. I'll use 180 grain JHPs at velocities necessary to make major, still around 1,000 fps. One more item of background. According to Wolff, the stock double recoil spring setup for the Colt Delta Elite is rated at 23 lbs. I recently added a full length guide rod and installed a Wolff 23 lb recoil spring. I also installed the firing pin spring the provided with the recoil spring (a good idea in my opinion). Ever since, it's been a pure bitch to jack the slide. It's so hard to move that I almost can't do it with my left hand and don't have an easy time of it with my right. OK, now for my question. I know I'll have to do some trial and error on this, but I want to start with recoil springs that are reasonably close to correct for the rounds I'll use with them. My theory is that recoil spring strength should be most affected by muzzle energy, whether represented as foot pounds energy or as a power factor. If I'm correct, the 16 lb spring that works in my Colt Gold Cup .45 with a 185 grain JHP at about 995 fps, should also work in my Delta Elite with 180 grain JHPs at around 1,000 fps. Am I on the right track? Lee Quote Link to comment Share on other sites More sharing options...
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