At the distances you describe, either caliber would yield excellent performance and barrel length is not a factor; you could cut one to eighteen inches if you like. I would lean toward the .25-06, if for no other reason than cost of factory ammunition.
In addition to making sure the bore and crosshair are plumb with gravity, ones grip has a lot of influence on rifle cant. I was taught to place my thumb straight forward along the ridge of the stock instead of placing it over the rear and gripping it, which causes torque. A properly mounted...
I suffered some ear damage due to wrestling in high school and have a hard time getting standard ear plugs to stay in place. I found the earlock really held the Surefires in place. I started wearing EP3s in 2008 and switched to EP4s when they hit the market. I always use them "plugged" and...
I was eyeballing one of these last time I was at Sam's. They looked solid and I really like the way they latch.
Just ordered two of the RTICs, so I think I'm good for now.