AA Entry upper and 6.5 American Gunner Ammo

[justified]

I'll chrono again when I can get to the range.

I double checked the barrel length, it is 20". This is the upper that is on the rifle:https://www.shopalexanderarms.com/Uppers...eiver.html

Here's the brass: AA, American Gunner, and Hornady SST on the right.