Weihrauch HW100 T has become completely inaccurate

[simona]

I've seen this, in that case the barrel grub screw had become loose.

[jepho]

I've seen this, in that case the barrel grub screw had become loose.

Thank you. If the gunsmith was correct and he tightened the barrel then the issue should have gone. It has not so the issue must be something else. The barrel does not feel loose to gentle tugging and twisting movements.