OK, I got out to the range this morning. The temperature was about 62°F and the wind was 0-.5MPH (I'm guessing, but it was super light if anything). The sun was out and there were about two clouds in the sky. I couldn't ask for better conditions than I had today.
I took two guns with me. Both are ARs. One is a 16" carbine with a 1:8 twist. The other is a 20" rifle with 1:7 twist. The rifle has a Leatherwood Hi-Lux CMR 1-4x24 scope. The carbine has an EOTech 556.A65 and folding BUIS (lower 1/3rd co-witness).
The ammo I was using was inexpensive On Target re-manufactured 55gr FMJ traveling about 3200FPS. I have found this manufacturer to be very consistent with their loads.
The goal today was to see if I could hit a 10.5"x12" sized target at 300 yards while shooting off hand. I had never sighted in the BUIS so, I started at the 50 yard range. It took me a little while, but I was able to get about a 1" group using the BUIS at 50yds, relatively in the middle of the target. I got just at 1" using the EOTech. With the rifle I got about a 1/2" group at 50yds on 4x magnification. None of this is impressive, but certainly good enough for me.
Then I moved to the 200yd range. This was my target using the carbine:
My spotting scope is terrible, but I believe the 8 holes on the right were all done using the EOTech. The group on the left, if you can call it a group, was done with the BUIS. For some reason, when I cropped this pic, I cut off two holes just above the paper. All shots were taken off a bench rest using sand bags.
This target was shot at 200yds with the rifle; scope set to 4x:
Also shot off the sand bags, I'm pretty happy with this group; ~5.4". I put a transparent red circle that represents what I see through the scope. The reticle has a 1 MOA dot and this is how much of the target it seemed to cover to me. This may not represent an actual 1MOA measurement at 200 yards, but with my eyes, this is what it looks like.
The EOTech is similar, but with my eyes it seemed to cover the whole of the black part.
The BUIS were quite difficult to use. I cannot focus the front sight clearly. Here are pics of the sights:
The rear sight is one that I got with the rifle upper. It has clearly been around the block, but I like the small aperture. In fact, if it were normal size, I couldn't use it at all. Even with this small size, the aperture is blurry. The front post covered the entire width of these targets. Add to that its being a little blurry and I'm glad I could hit the paper at all; even from a rest.
After having fun with these 200yd targets and off a rest, I decided to try the 300 yard challenge. I used the carbine, turned off the EOTech and wrapped the sling around my arm like it showed in the video. I had stapled up two targets, one right above the other. Looking at them through the BUIS, I could only just make out the two black dots and trying to put the front post on them was very difficult, if not impossible for me.
I would post a pic of the targets, but there was no point in taking the picture; there were no holes in either target. There were some holes in the plywood backer, but I couldn't tell what was mine and what came before. Yes, as you can see in the pic, I even adjusted the rear sight to the 300 mark. I needed every advantage I could get and it didn't help.
I learned a few things today:
- My days of using regular iron sights are over. I could use them as back ups in an extreme emergency, but only reliably at 50yds or so.
- I can only barely make out a 10" target at 300 yards. Even 200 yards is difficult for me. We don't have a 400 yard range, but I wouldn't even attempt a 10" target at that distance. Hitting it would only be blind luck (emphasis on the "blind" part) without a magnified scope.
- The mil-spec trigger is TERRIBLE! There is so much creep that I actually had trouble keeping an even pressure on the trigger all the way through the press. A new trigger is in my future.
- I am not a rifle guy. Well, I could be, but it will take some time.