Luger double fires!!
 

Hello all! I recently got my hands on a Mitchell Arms SS p-08. Overall it is a pretty good shooter, but it is very picky with ammo. Every once and a while the gun will fire two rounds when the trigger is pulled instead of one!:banghead: Any ideas why this would happen? Thanks!!

So you could have fun?

Jerry Burney

haha. It would be more fun if I could predict when it will double fire

I once worked on one that would fire 4 rounds at once, kinda scary. There might be some slippage at the sear bar firing pin contact point. Check both of those parts. Also, if the trigger is releasing at a point when it almost contacts the back of the trigger guard/frame, the vibraton from the toggle cycling could be causing it to kind of "bump fire"

The trigger linkage in original German made Lugers was all hand-fitted for each pistol. The Stainless guns were made on CNC machines and I doubt the same level of fitting was maintained.

Things to check:

Look at the sear/firing pin engagement surfaces and make sure they are not damaged or galled. Do not remove any metal unless absolutely necessary, but do make sure that the engagement surface is properly smooth and not too shallow. The surface of the sear bar and the firing pin that mate must be perfectly smooth, and perfectly parallel to each other, and of sufficient engagement to prevent double firing.

Check for free movement of the disconnector plunger on the end of the sear bar. The trigger lever presses on this to fire the gun. It should move smoothly in-and-out and not wobble.

Check the Trigger lever to make sure there are no burrs on the mating surfaces that press on the sear.

Make sure you are firing the gun with a firm and not limp-wristed hold. This can definitely affect the firing reliability... and make sure you are not flinching.

W, Check all of the above and consider installing a stronger trigger bar spring. TH