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Rifles, Reloading, Optics, Equipment
Reloading
Ladder or OCW style load development
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<blockquote data-quote="jb1000br" data-source="post: 116618" data-attributes="member: 1459"><p>Gustavo, so how do you develop a load?</p><p></p><p></p><p>[ QUOTE ]</p><p>JB, do you mess around at 1 or 200 yards at all or just start things out at 500?</p><p></p><p>you shoot 8 or 10, 2 shot groups and hopefully find a node then try to fine tune with 5 shot groups?</p><p></p><p>kind of an "optimum ladder charge" </p><p></p><p>[/ QUOTE ]</p><p></p><p>Dave</p><p></p><p>I started at 100 initially for a 105 scenar load...and it worked, but is harder to decipher IMO than a 500-1000yd ladder.</p><p></p><p>Since I have started shooting ladders at 500 and 1000 (1000Yard ladders limited to full blown BR rigs BTW...) It is easier to see where you need to be by where the shots hit.</p><p></p><p>Eventually, i will post pictures and my findings that prove this works pretty well, but not ready yet.</p><p></p><p>At 500 and 1000 there is NO switching up with the progression on shots...everything is more predictable in the verticle plane...</p><p></p><p>I actually have a 500yd load for my 6BR that is .5gn under my 1000yd load.</p><p></p><p>Why?</p><p></p><p>5 at 500/5 at 1K</p><p>30.6gn - 1.52"/5.8"</p><p>31.2gn - 2.0"/4.0"</p><p></p><p>the 500yd ladder testing the above charges showed a flat spot from 30.3-30.9...ONLY 1 BULLET OF VERTICAL WITH 4 SHOTS!</p><p></p><p>then 31.1/3/5 landed counterintuatively (slower hit higher, faster hit lower) </p><p></p><p>This showed me what may have been the perfect tune for 1K...and it has proven itself pretty well so far...</p><p></p><p></p><p>Will be using the 500yd load at Lewistown Groundhog Match for the first time this weekend...</p><p></p><p>JB</p></blockquote><p></p>
[QUOTE="jb1000br, post: 116618, member: 1459"] Gustavo, so how do you develop a load? [ QUOTE ] JB, do you mess around at 1 or 200 yards at all or just start things out at 500? you shoot 8 or 10, 2 shot groups and hopefully find a node then try to fine tune with 5 shot groups? kind of an "optimum ladder charge" [/ QUOTE ] Dave I started at 100 initially for a 105 scenar load...and it worked, but is harder to decipher IMO than a 500-1000yd ladder. Since I have started shooting ladders at 500 and 1000 (1000Yard ladders limited to full blown BR rigs BTW...) It is easier to see where you need to be by where the shots hit. Eventually, i will post pictures and my findings that prove this works pretty well, but not ready yet. At 500 and 1000 there is NO switching up with the progression on shots...everything is more predictable in the verticle plane... I actually have a 500yd load for my 6BR that is .5gn under my 1000yd load. Why? 5 at 500/5 at 1K 30.6gn - 1.52"/5.8" 31.2gn - 2.0"/4.0" the 500yd ladder testing the above charges showed a flat spot from 30.3-30.9...ONLY 1 BULLET OF VERTICAL WITH 4 SHOTS! then 31.1/3/5 landed counterintuatively (slower hit higher, faster hit lower) This showed me what may have been the perfect tune for 1K...and it has proven itself pretty well so far... Will be using the 500yd load at Lewistown Groundhog Match for the first time this weekend... JB [/QUOTE]
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Reloading
Ladder or OCW style load development
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