Yesterday Chimera came out to casa de Geek for Christmas dinner and a little shooty goodness. He got a new Magpul stock and CMMG .22LR conversion that needed to be tried out. I also changed out the charging handle catch for an extended version to make things easier with his optics.
I took out misbeHavens AR, my 10/22 and my STI with a Ceiner .22 conversion on it.
Starting at 25 yds to make sure things were on target. We don't have a shooting bench on our range so we used a a rolled up blanket on the hood of the truck as a rest. We then rolled back to 100yds to see how the rifles were doing. The reason I took the AR out was way back when I took it out and shot a variety of ammo through it over a chrono at 100yd targets to check which ammo worked best in her gun. I tested 2 factory loads, 4 mil surp loads and four different powder loads under 55Gr JSP handloads. The best of all the ammo groups was a 1.013" group with 25.6Gr of VV N-135 under the 55Gr JSP. What I didn't try was the 69Gr Moly coated Sierra Match Kings I hand load for my varmint rifle. I wanted to correct that. For my last tests I had a range with a bench and multiple sandbags to take me out of the equation and only look at ammo performance.
Well, I shot four, five shot groups at 100yds using the blanket rest. The groups were 1.98", 0.980", 0.956" and the smallest at 0.703". This was off a blanket on the hood. Not sandbags on a bench. I am rather impressed by the performance of these hand loads.
Just for fun, I took aim an IPSC target with my .22LR Conversion. I managed to put the rounds on the target. Not pretty but at least they were on the cardboard. Back up at 25yds resting on the blanket shot a 3" or so group with the pistol and free hand standing I was able to hold everything in the 6" head of the IPSC target. Actually the first string of 15 was in nominally half of the head. The next string of 15 filled the other half of the head so the gun will hold pretty tight for a conversion.
Overall has to be the best range day for me in a long time.
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