When you see a Belgian gun with the marking 18.3choke18.2 (written just like that) are both numbers just giving a range of what the bore measurement could be? Both barrels are marked the same. I have ben told that the 18.2 is likely choke dimensions but that is not the case when measuring the muzzles with a caliper. They are much tighter than the 18.2.

Last edited by gunsaholic; 12/16/18 08:58 AM.