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Rifles, Reloading, Optics, Equipment
Reloading
accuracy in load developement
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<blockquote data-quote="RockZ" data-source="post: 306501" data-attributes="member: 5750"><p>trueblue, don't take mikecr's comments as an insult. All he is saying is that the most important thing is that the first shot goes where it is supposed to. And yes it is a cold bore shot.</p><p>The only way to validate a load for hunting is to accumulate data on the performance of numerous cold bore shots. </p><p></p><p></p><p>Here's the best method of fine tuning your load at distance to reduce the verticle.</p><p><a href="http://www.6mmbr.com/laddertest.html" target="_blank">Long-Range Load Development</a></p><p></p><p></p><p>I use the ladder test and have great results. Just take your time when you shoot the ladder .</p><p></p><p>To validate those results, I shoot and log cold bore shots each time I go to the range.</p><p></p><p>After I have determined the best load and fine tuned it with the ladder(don't forget to color your bullets with a sharpie)</p><p></p><p>I set up a target at the desired range for my case it is 600yds, or I shoot at a 3" steel plate swinging target.</p><p></p><p>I set up my rifle on a bipod and shoot it like I will in the field. I fire my first shot at the 600yd target and note the results. I bring different rifles and shoot those while the primary one cools.</p><p></p><p>Once the primary rifle is cool, I'll shoot another cold bore shot at the same target. I may only shoot two or three in one range session and will do the same on other days. Before you know it you will have a cold bore group. Conditions may be different , but you must log those as well. Log conditons like wind,temp etc, but don't forget sky condition, sunny/cloudy? Look for trends.</p><p></p><p>After feeling good about my cold bore load and poi and shooting cold bore groups on targets on previous outings,now I decided just to shoot the 3" diameter steel swinger.</p><p></p><p>Last time at the range I unloaded my rifle, looked at the wind, boom the 3" swinger is spinning--good cold bore results.</p><p></p><p>The ladder test in the link works well and you will be surprised as to the difference in the verticle that you will discover. At 600yds my verticle is only about 1-1.5"</p><p></p><p>Before the ladder shooting what I thought was the best load the verticle was 2.5"</p></blockquote><p></p>
[QUOTE="RockZ, post: 306501, member: 5750"] trueblue, don't take mikecr's comments as an insult. All he is saying is that the most important thing is that the first shot goes where it is supposed to. And yes it is a cold bore shot. The only way to validate a load for hunting is to accumulate data on the performance of numerous cold bore shots. Here's the best method of fine tuning your load at distance to reduce the verticle. [url=http://www.6mmbr.com/laddertest.html]Long-Range Load Development[/url] I use the ladder test and have great results. Just take your time when you shoot the ladder . To validate those results, I shoot and log cold bore shots each time I go to the range. After I have determined the best load and fine tuned it with the ladder(don't forget to color your bullets with a sharpie) I set up a target at the desired range for my case it is 600yds, or I shoot at a 3" steel plate swinging target. I set up my rifle on a bipod and shoot it like I will in the field. I fire my first shot at the 600yd target and note the results. I bring different rifles and shoot those while the primary one cools. Once the primary rifle is cool, I'll shoot another cold bore shot at the same target. I may only shoot two or three in one range session and will do the same on other days. Before you know it you will have a cold bore group. Conditions may be different , but you must log those as well. Log conditons like wind,temp etc, but don't forget sky condition, sunny/cloudy? Look for trends. After feeling good about my cold bore load and poi and shooting cold bore groups on targets on previous outings,now I decided just to shoot the 3" diameter steel swinger. Last time at the range I unloaded my rifle, looked at the wind, boom the 3" swinger is spinning--good cold bore results. The ladder test in the link works well and you will be surprised as to the difference in the verticle that you will discover. At 600yds my verticle is only about 1-1.5" Before the ladder shooting what I thought was the best load the verticle was 2.5" [/QUOTE]
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accuracy in load developement
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