Ah na I was refering to a live center up the muzzel which can push burrs up on the end of the lands.
As Creepingdeath said try it without the can.
Type: Posts; User: veitnamcam
Ah na I was refering to a live center up the muzzel which can push burrs up on the end of the lands.
As Creepingdeath said try it without the can.
Check everything is tight scope/action screws etc, could be the old 60degree center jammed up the muzzle trick?
Did it shoot before threading?