Here I thought electronics' ie. cell phone Has limited use in the back woods. I guess not : https://www.offgridweb.com/survival/backcountry-cell-phone-land-navigation/?wc_mid=4035:7935&wc_rid=4035:30635422&_wcsid=B3D52495043534FE28E35DA2B24DB22F354971D4291FADA0
I like the way you get to the problem and give detail solution to said problem. From what I have seen you have provided some good info here. Thanks
With your observations a $600.00 .308 is a good deal for a truck rifle.