G'Day Fella's,

Gryphon, I would have thought that the Bore Diameter on a .358" caliber Rifle barrel would have been 0.350" !!!
I would contact the manufactures MAB/TSE and ask them about this, as they may have had this one slip through the cracks!!!
I'm sure/hope they would prefer to replace it, rather than get a bad reputation?

HooRoo
From
Hommer