Luger mainsprings
Arts;
The GUNS & AMMO article is correct. A lot of todays ammo will not function the Luger action correctly. The mainspring strengths that you cite are all too weak for Luger mainsprings, and continued use will probably damage your Luger. I suggest that you get a "Calibration Pak" from Wolff Springs (www.gunsprings.com)that contains one each: "reduced 36lb, a standard 38lb#, and an "extra power 40lb" spring, and use the one that works best in your gin with the ammo you are using. The pak also contains three "extra power" firing pin springs. Modified springs of questionable origin ahould not be used. Myself and several others on the Lugerforum have replaced the original 50+ year old springs in our "shooter" Lugers with Wolff springs and solved a number of malfunction problems.
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