Henry 5.56 Long Ranger 

To improve my chances of recreating the 5 in 5" at 500, I'm going to use the Remington Premium Gold Medal with a 77gr Sierra MatchKing bullet. I'm going to deviate from my normal use of the Leupold VX-Freedom Ping-Plex reticle in favor of a calculated trajectory that will line up better with the Leupold's BDC stadia.  400 yards at bottom of the pig plex circle with 500, 600, and 700 matching the next aiming points. 
A 30/230 zero. 
Henry Long Ranger
Targets of the AQT
Download this AQT target print it on 11x17 paper (Most office supply stores can do this for you).
Or just go ahead and attend a Project Appleseed Rifle Marksmanship Clinic and at the end of the event, check with the Shoot Boss to see if any leftover targets are available. 

Why Turkey Neck Cheek Weld?

While I have not personally tested the Maven RF1 rangefinder, I do like that it is made in the Phillippines rather than the PRC. It looks like premium quality from a Lander, WY optics manufacturer. 
Check it out if you're seeking a rangefinder.
A quality field packable first aid kit to carry afield.