A man in Katy, Texas makes them. Ranch I managed had 1 in each blind and they worked great.

What would you say if I told you that was a .223

Lots of good advice here. I agree with others who have already said that it's important to stabilize your right elbow, assuming you are right handed. I sit on the right side of my blind and brace my right elbow against the side of the blind. Makes a big difference for me.

Need to get your elbows on something. I like sitting in chair that do not have arms, that way you can swing the chair 90 degrees, and use the back as an arm rest. You can also cut a board to lay across the blind.

Whiskey Meyers reference drew me in....

First deer I took last season I was a complete mess. I bet it took me 10 minutes to shoot (maybe not but it seemed like it).

Only took 1 deer this season, lined up the shot and missed low, deer did a 360, I reracked and got him with a perfect lung shot. No hesitation in either shot this time.