Seek Outside Brooks backpack.
Very good condition. Right shoulder strap has a gun sling hook installed.
$350 including shipping to the lower 48.
Description of the Brooks pack in this video HERE
I owned an Eberlestock Skycrane. It was really heavy, and not comfortable to carry with heavy loads.
I sold it and got a Seek Outside Brooks, which I love.
I have one. (have the full length version too.) It's fine for summer use. Not as comfortable as the neoair, but it's ok. Certainly better than the evazote foam pads I used when I started out camping. If you don't have "old bones" that ache in the morning, it's a good way to save some...
Sig Kilo 2400
Ranges well out to 1000 yards, which is probably more than I would ever shoot while hunting.
The integrated ballistics program works well and gives me accurate information for adjusting my scope for range.
My daughter is going on an extended, solo backpacking trip. I have convinced her to carry a gun with her.
I'm looking for a pouch that will attach to the hip belt of her backpack. I've seen a lot of them that close with a zipper. I'd prefer one that closes with velcro or magnets.
Any...
A heavy rifle allows for techniques which won't work on light rifles. I have some very light hunting rifles, and I have to shoot them very differently than I do my heavy rifles.
Here is an article that helped me learn to shoot my lightweight rifles much better...
A few things I didn't see on your list that are worth taking:
Sunscreen
Sunglasses
Windicator
Colorado is a hunter orange state. You will need an orange hat and vest.
Chlorine dioxide tablets weigh next to nothing. A good back-up to the water filter (which can clog and/or freeze.)...
I looked at the jacket online, but didn't buy it.
I've already got several wool tops I like a lot, so I resisted the urge to purchase it. I agree it looks very nice.
There's actually a couple of jackets, one more like a softshell, and one more like a jacket.