tire size and rim combo recommendations 71 1/2 ton 4wd

[hoovers71]

I am looking to replace my stock wheels with new rims and tires. I have a stock 71 gmc 1/2 ton 4wd. I am going to keep the stock height but am looking to have a mild 4wd truck with a mildly more aggressive look. I want to avoid fender rubbing obviously,

I am thinking of 265/75 r16 AT tire with some American racing rims (AR23) 16x8 with 3.75 back spacing.

Any thoughts on this combo?

Thanks for the help.