TNBillyEarl
Beginner
- Jan 31, 2021
- 91
- 327
Until I started reloading 2 years ago, I never thought much about accuracy. If I thought about it at all it went like this: 1) get some some different Hornady loads and a box of Cor-Lokt for the season, 2) find what shot under 1", 3) set my rifle up one inch high at 100 yards, 4) repeat next September. I did this for almost 40 years. Since starting this obsessive hobby I have worried about my cold-bore shot, the ambient temp, precision vs accuracy, accuracy vs precision, extreme spread of velocity, standard deviation, shifting groups, ballistic coefficients, bullet construction, etc... And then of course all the different ways to measure just what is an accurate rifle.
I thought I had settled on Mean Radius to gauge the accuracy of my 2 rifles (and the rifles of my friends), but even then the center of a group might be an inch or two off my POA. So this spring I started averaging the distance of all my shots from the POA. I kinda liked it; I even would give my first shot, my cold-bore shot, two or three times the weight. And then this weekend I found the String Length Method at the bottom of this page: http://ballistipedia.com/index.php?title=Measuring_Precision Boom! For hunting this really resonates with me.
Below are 3 shots at 200 yards from Saturday. All three are under 1" from POA. I now feel settled. (I have decided that for this rifle - not my woods rifle - any load that gives me any shot at more than 1" from POA @200 is not acceptable.) I'm happy with String Length for a couple of reasons, the main one being it measures both accuracy and precision.
I have posted this under the Hunting forum b/c that is all I do. If any of you have other suggestions on hunting accuracy and where I should land - do tell. I don't really believe I am settled, I'm just telling myself that.
Bill
I thought I had settled on Mean Radius to gauge the accuracy of my 2 rifles (and the rifles of my friends), but even then the center of a group might be an inch or two off my POA. So this spring I started averaging the distance of all my shots from the POA. I kinda liked it; I even would give my first shot, my cold-bore shot, two or three times the weight. And then this weekend I found the String Length Method at the bottom of this page: http://ballistipedia.com/index.php?title=Measuring_Precision Boom! For hunting this really resonates with me.
Below are 3 shots at 200 yards from Saturday. All three are under 1" from POA. I now feel settled. (I have decided that for this rifle - not my woods rifle - any load that gives me any shot at more than 1" from POA @200 is not acceptable.) I'm happy with String Length for a couple of reasons, the main one being it measures both accuracy and precision.
I have posted this under the Hunting forum b/c that is all I do. If any of you have other suggestions on hunting accuracy and where I should land - do tell. I don't really believe I am settled, I'm just telling myself that.
Bill
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