Problems w/Luger pistol

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I have not tested Fiocchi 9 mm loads, but their 7.65 mm loads are very mild.

I have just experienced several malfunctions in more or less new after market magazines that were due to the magazines themselves.

Before shooting, try loading the magazines and stripping them by hand. I've discovered magazine hangups this way.

After firing one round to see if the hold open works, start increasing the number of rounds in the magazine one at a time. I've had magazines work well with three or four rounds but hangup with eight rounds.

A comment on recoil springs. First, don't cut the original, you want to keep it original. Second don't cut a factory spring, you will reduce the pre-loaded faster than the loaded force leading to various problems.

Wolff springs are longer than standard and have a higher than standard preload. They may be the logical candidates for cutting as the pre-load will not fall off so fast as you cut the spring down.