Walther LP300 cylinder problems

[AD]

I have 2 Walther LP300 cylinders and both of them suddenly wont screw onto the gun. The threading of the cylinders and the part of the gun the cylinders are screwed onto are fine.
Thanks,
AD
.43244.0

[Mako]

: I have 2 Walther LP300 cylinders and both of them suddenly wont screw onto the gun. The threading of the cylinders and the part of the gun the cylinders are screwed onto are fine.
: Thanks,
: AD

makofoto-at-earthlink.net.43245.43244