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<blockquote data-quote="RDM416" data-source="post: 435342" data-attributes="member: 3745"><p>I always confirm my calculated drops and simply will not attempt a shot at an animal at distances further than I have done so. </p><p></p><p>I have tried several ballistic programs and found that they all pretty much give me the same answers. I have also found that at distances beyond 700 or 800 yards they are often off enough for a miss on a deer sized critter. </p><p></p><p>As we all know, 1/2 moa at 1000 yards is 5", a full moa is 10". Seldom will my ballistic programs get me to closer than an moa at 1000. Maybe the rest of you don't have that problem, but I do. I attribute it to changes in BC as the speed of the bullet changes...... don't know for sure, just know that my program seldom matches up with real shooting data. </p><p></p><p>I start out with a 3 shot group at 100, then move to 200, then 300, 400, etc. When first setting up my dial up chart I will typically shoot 2 shots at each range, assuming the shots are falling where expected. Once I have my chart done out to 1000 I will put fresh paper on my target stand and reverse the process shooting 1 shot at each range back to 100 where I expect to be dead on. I will repeat the 1 shot at each range from 100 to 1000 4 or 5 times usually over a period of several days or weeks. I keep each target and compare them all, keeping track of all the environmental data and the velocity of each round. I use all that info to fine tune my dial up chart. </p><p></p><p>Obviously, things change with elevation, temperature, etc., but I now have a baseline that I KNOW is perfect for a given set of conditions. With that plugged into the ballistic program, I am much more comfortable with the minor changes in my dial up from local weather conditions. </p><p></p><p>I am fortunate to have a range at my house where I can shoot out to 1200 yards. I know many of you do not have that luxury and have to rely more on calculated ballistics data. For me, I rely on my ballistics programs to get me in the ballpark. I just don't think there is any substitute for actual "real world" data. Maybe that is just the engineer coming out, but I want data, real data..... not just what the computer said<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="RDM416, post: 435342, member: 3745"] I always confirm my calculated drops and simply will not attempt a shot at an animal at distances further than I have done so. I have tried several ballistic programs and found that they all pretty much give me the same answers. I have also found that at distances beyond 700 or 800 yards they are often off enough for a miss on a deer sized critter. As we all know, 1/2 moa at 1000 yards is 5", a full moa is 10". Seldom will my ballistic programs get me to closer than an moa at 1000. Maybe the rest of you don't have that problem, but I do. I attribute it to changes in BC as the speed of the bullet changes...... don't know for sure, just know that my program seldom matches up with real shooting data. I start out with a 3 shot group at 100, then move to 200, then 300, 400, etc. When first setting up my dial up chart I will typically shoot 2 shots at each range, assuming the shots are falling where expected. Once I have my chart done out to 1000 I will put fresh paper on my target stand and reverse the process shooting 1 shot at each range back to 100 where I expect to be dead on. I will repeat the 1 shot at each range from 100 to 1000 4 or 5 times usually over a period of several days or weeks. I keep each target and compare them all, keeping track of all the environmental data and the velocity of each round. I use all that info to fine tune my dial up chart. Obviously, things change with elevation, temperature, etc., but I now have a baseline that I KNOW is perfect for a given set of conditions. With that plugged into the ballistic program, I am much more comfortable with the minor changes in my dial up from local weather conditions. I am fortunate to have a range at my house where I can shoot out to 1200 yards. I know many of you do not have that luxury and have to rely more on calculated ballistics data. For me, I rely on my ballistics programs to get me in the ballpark. I just don't think there is any substitute for actual "real world" data. Maybe that is just the engineer coming out, but I want data, real data..... not just what the computer said:) [/QUOTE]
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