Magazine springs for new Mauser P.08's

[Sieger]

Originally Posted by G.T.

...which leads me to believe a slightly less strength spring, (yet stronger then pre 45 P.08's) would possibly be sufficient to allow for 100% function, and, still be enjoyable to shoot...

Hi GT:

The hottest ammo I've fired through my byf 41 was the commercailly available Chinese 9mm. This stuff is red hot, hot, hot, and I don't suggest anyone shooting it through their Lugers.

The MecGar would jam with this ammo, the Interarms' wouldn't.

As part of our project, we should settle on a commercial brand of ammo of 124 grains, perhaps pull and reseat the bullets to proper length and test the spring you are developing against it. In this way, ammo of that "heat" and lower should function through the Luger (given a proper recoil spring that matches).

I would probably suggest the S&B 124 FMJ (Brass Case) ammo, as it is about as hot as I feel should be shot through a Luger on a regular basis. The U.S. military load is loaded hotter than 1,200 fps with a 124 grainer, but to me, this is just too hot for regular use in a pistol designed to shoot 123 gr at 1076 fps (the original DWM load listed through the 1930s).

The way I load the Interarms' magazine (mine is probably set by now, with one hundred or so full magazines shot through it), is to set the base of the mag. on the firing bench and then pull down on the loading tool, accordingly. In this way, there is little chance of a slip out of your hand.

I'm sure the Interarms' magazines were designed to function with the commercial German ammo of the 1970s. GECO ammo, for instance, is pretty hot stuff compared to what we were producing, here, during that period.

All the best!


Sieger