I have a Colt .25 Automatic pistol that was made in the early 70s. It looks kind of like this one:
The gun has a problem where the barrel will rotate while firing and the slide will lock back on the barrel. The barrel has a set of grooves that rotate in a set of grooves on the frame to allow the barrel to be removed during field stripping. Here is a picture of removing the barrel:
Also, here is a great breakdown on the disassembly:
Has anyone ever ran across this problem with this type of pistol? Any recommendations for tightening the grooves connection between the barrel and frame?