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unspellable · 05-18-2005, 08:25 AM

I will differ from Roadkill in saying that the recoil spring (NOT the main spring, that's the little spring inside the breech block that drives the firing pin!) strength does not have much bearing in how hard the toggles hit the ramps. The spring strength becomes significant as the togggle assembly approachs the rear limit of travel.

But it's a little unclear to me where your peening is located. Sounds like your peening might not be in that area but at the hinge between the breech block and the first toggle leg. Sounds like there is a slight misfit of some sort, but it would be hard to say just where wthout more info or seeing the pistol.

I'd be cautious about replacing the recoil spring. The first step with the recoil spring is to determine exactly what you do have. I've seen a lot of shooter grade Lugers screwed up by somebody playing games with the recoil spring. I think this is due to people trying to correct reliability problems that are actually caused by poor magazines and short OAL ammo.

If your peening is the normal peening caused by the toggles hitting the ramp, the only way to reduce it is to use a load with a smaller impulse.

05-18-2005, 08:25 AM	#3
unspellable User Join Date: Jun 2002 Location: Iowa Posts: 768 Thanks: 0 Thanked 19 Times in 11 Posts	I will differ from Roadkill in saying that the recoil spring (NOT the main spring, that's the little spring inside the breech block that drives the firing pin!) strength does not have much bearing in how hard the toggles hit the ramps. The spring strength becomes significant as the togggle assembly approachs the rear limit of travel. But it's a little unclear to me where your peening is located. Sounds like your peening might not be in that area but at the hinge between the breech block and the first toggle leg. Sounds like there is a slight misfit of some sort, but it would be hard to say just where wthout more info or seeing the pistol. I'd be cautious about replacing the recoil spring. The first step with the recoil spring is to determine exactly what you do have. I've seen a lot of shooter grade Lugers screwed up by somebody playing games with the recoil spring. I think this is due to people trying to correct reliability problems that are actually caused by poor magazines and short OAL ammo. If your peening is the normal peening caused by the toggles hitting the ramp, the only way to reduce it is to use a load with a smaller impulse.