If it's permanent roomy is better. Put a 4x8 plywood on the floor and imagine.

2nd. unless you need, or want height, a 'house' you can stand on the ground or first latter rung and basically unload all your stuff your into is much easier than carrying it up a latter. Trust me there are lots of things that you will 'need' that you never needed deer hunting before!

"It's not how hard you hit 'em, it's where you hit 'em." The 30-06 will, with the right bullet, successfully take any game animal in North America up to 300yds.

If you are a hunter, and farther than that, get closer!