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Is it the truth, B.S., B.R., or Ego?? Questions..
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<blockquote data-quote="John Burns" data-source="post: 40715" data-attributes="member: 2164"><p>This will be my first post here in a long time but it is a topic I really enjoy discussing.</p><p></p><p>First let me say this is only in the context of hunting. Benchrest games have rules that dictate how many shot per group so if you are interested in those games you probably know exactly how many shots per group to use to evaluate your system (rifle, optic, ammo, and shooter). For example if your game requires 10 shot groups you would be fooling your self to only shoot 3 shot groups.</p><p></p><p>Second I am thinking only of a way to evaluate my particular system and determine how good or bad I think it is functioning. I am assuming this is what we are discussing here is how to evaluate our own system (rifle, ammo, optic, and shooter).</p><p></p><p>In this context I don't like to think in terms of groups but in terms of hitting or missing a target of some predetermined size at a predetermined range. Example would be a 5" circle at 500yds.</p><p></p><p>I figure if my system can hit a 2" spot 10 times in a row at 200 yds this is very good performance. My current barrel on my 22-243 did this when I tested it right after installation. The target was a 2" target spot and all 10 shots were in the orange. The "group" was right at 1.5".</p><p></p><p>If I had been shooting 3 shot groups I had three shots in a row that were slightly under 0.250". If this was all I was doing I might have gotten a skewed belief that my system was capable of hitting a quarter inch target at 200yds every time when in fact it is not.</p><p></p><p>With a hunting rifle what I want to know is whether or not I can hit a target of a certain size at a certain range with any degree of reliability. To often I have seen guys at the range that shoot a really small group and then convinced themselves that this performance was the standard they should expect from their system. The best three shot group from a system is not any predictor of future performance.</p><p></p><p>Groups are useful in the initial testing of a system because they remove the influence of zero but when the finale result is a system for hunting we have to include our zero because more shots are missed at long range because of an improper zero than any from an inaccurate rifle. </p><p></p><p>I believe one 10 shot group is more honest than 4 three shot groups or 2 five shot groups. If you are worried about barrel heat just use the same amount of time on your 10 shot no matter how you combine them.</p></blockquote><p></p>
[QUOTE="John Burns, post: 40715, member: 2164"] This will be my first post here in a long time but it is a topic I really enjoy discussing. First let me say this is only in the context of hunting. Benchrest games have rules that dictate how many shot per group so if you are interested in those games you probably know exactly how many shots per group to use to evaluate your system (rifle, optic, ammo, and shooter). For example if your game requires 10 shot groups you would be fooling your self to only shoot 3 shot groups. Second I am thinking only of a way to evaluate my particular system and determine how good or bad I think it is functioning. I am assuming this is what we are discussing here is how to evaluate our own system (rifle, ammo, optic, and shooter). In this context I don’t like to think in terms of groups but in terms of hitting or missing a target of some predetermined size at a predetermined range. Example would be a 5” circle at 500yds. I figure if my system can hit a 2” spot 10 times in a row at 200 yds this is very good performance. My current barrel on my 22-243 did this when I tested it right after installation. The target was a 2” target spot and all 10 shots were in the orange. The “group” was right at 1.5”. If I had been shooting 3 shot groups I had three shots in a row that were slightly under 0.250”. If this was all I was doing I might have gotten a skewed belief that my system was capable of hitting a quarter inch target at 200yds every time when in fact it is not. With a hunting rifle what I want to know is whether or not I can hit a target of a certain size at a certain range with any degree of reliability. To often I have seen guys at the range that shoot a really small group and then convinced themselves that this performance was the standard they should expect from their system. The best three shot group from a system is not any predictor of future performance. Groups are useful in the initial testing of a system because they remove the influence of zero but when the finale result is a system for hunting we have to include our zero because more shots are missed at long range because of an improper zero than any from an inaccurate rifle. I believe one 10 shot group is more honest than 4 three shot groups or 2 five shot groups. If you are worried about barrel heat just use the same amount of time on your 10 shot no matter how you combine them. [/QUOTE]
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