jantonio54 Posted March 14, 2009 Share Posted March 14, 2009 I'm a noob to the forum and hope someone will help with some questions. Shotgun is an M1 pistol-grip, 18" tactical, about 15 years old. I'm trying to get this gun to cycle reliably with a little added weight, specifically the four-shot extension and a light and mount which weigh about 10 ounces. I only want it to cycle light magnum 2 3/4 " OO. At the range, it successfully cycled a couple tubes of Win XX, loaded 7+1+1. I guess I got a little confident and tried some lighter buckshot and skeet loads, and problems developed. There were all sorts of failures, FTE, failure to return to battery, stovepipes, etc., even when I went back to the XX's. I now have the receiver completely torn down, and it is slightly dirty, but not gummed up. I'm going to replace the recoil spring and have the following questions: 1. Should I use a heavier spring, such as the Wolf, or just a standard-weight? 2. Should I replace the bolt inertia spring and the firing pin spring? 3. I have some spare magazine tube springs I bought from Beretta for a 1201FP ( basically the same as an M1). The Beretta springs are 3 " longer than the old M1 spring and slightly smaller in diameter. Think I'm OK with one of these? Any other advice will be GREATLY appreciated. Thanks much. Quote Link to comment Share on other sites More sharing options...
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