Mainspring question follow-up for GT

[sheepherder]

Originally Posted by 4 Scale

The receiver had been...twisted or somehow altered the receiver geometry and that put some drag on the toggle action...

I've run into a couple like that. You can check with a pair of spirit levels like the pic below. This one had a twist and the toggle dragged.

There's a pic in the Barrel Replacement thread of a brass block that is inserted in the receiver to eliminate any twist when removing the barrel.

http://forum.lugerforum.com/showthread.php?t=25418