[mrerick]

There are a couple of things to look into relating to the stove pipes you're experiencing.

One, as mentioned, is the condition of the recoil spring. Wolff makes a range of springs available. The different eras of Lugers and different calibers have various spring turn counts, and condition does matter.

Second, consider your grip and support of the Luger. Consistency here is essential, as well as a good mass to recoil against.

Finally, consider the condition of the magazine and it's follower spring. G.T. on this board does restoration, rebuild and tuning. I personally wouldn't disassemble one without the special tools he uses.

Marc