Re: is it legal to ship a mark 4 to new zealand
No, it is not legal to send a Leupold Mark 4 to New Zelando, from US.
Any scope, gun, gun parts, ammo and its parts (and other things) require an Export Permit from US State Dept.
I have enough friends that are not US citzen and lives abroad that I learned vary fast that you need an Export Permit for almost everything gun related, if you want to send outside US (ex: New Zeland, Canada, England, Argentina etc).
This kind of restriction came up (tighther) shortly after 09/11.