Quote:
Originally Posted by waizen
You know, Tom, you just said something interesting here: the issue of a light-weight casing. I didn't even think of that. Of course, it could have been the fact that the original crap that was giving me the trouble was lead. Since I switched to copper, no more jams. But, maybe a combination of factors.
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I wasn't referring to the casing, but the power of the load itself. Some ammo is loaded for revolvers and bolt guns. If the impulse generated by the recoil is light in a fixed breach gun, no big deal. But stuff like the Russian target ammo, and some RWS standard speed hollow points, that are beautifully accurate in my CZ-452 bolt gun, won't cycle the M41. Ammo loaded for semi-auto target guns is loaded a little hotter to ensure proper function.
I weighed the reciprocating mass of a S&W 41 and Ruger MK II. The Ruger bolt was 1.5 oz. lighter. That means that it will function with lower impulse ammo than will the M41. Some ammo I tried wouldn't cycle the 41 but worked (barely) in the MK II.
Most of the plated bullet ammo I see is high speed stuff. That is loaded to a significantly higher impulse than standard speed stuff. It should cycle your 41 with minimal problem.
If it keeps giving problems cycling, call the factory. It may need to go back for a little work. When I got mine, it gave me problems. I didn't send it back; I just smoothed things at the interfaces. It now works fine with anything with a little impulse. I could play with the recoil spring, but then it would beat itself excessively with high speed stuff.