Um, I forgot to mention that I only use Woodleighs in the 8X57IR / 0.318".

How much slop do you think I'd have in using the 0.318" Woodleighs in the 8X57IRS. I realize it depends on the bore diameter. But how many thou in friction does one need to be accurate @ 100 metres / paces?

Serbus,

Raimey
rse