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Rifles, Reloading, Optics, Equipment
Reloading
Best o.a.l.
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<blockquote data-quote="Fitch" data-source="post: 377683" data-attributes="member: 19372"><p>I always begin my load development with the bullet seated about 0.020" off the lands. That's far enough back that I "know" it won't be touching and cause me pressure problems, and suprisingly often it turns out to be the best when all is done. I never load for less jump than that because I only load hunting rounds so I never load with the bullets jammed into the lands. I don't want the bullet pulling and dumping powder into the action when I unload it after not shooting (which happens more often than not).</p><p> </p><p>I have found that I can choose the powder charge to minimize group size with the bullets set to 0.020" off the lands and then back off to .04, .06, and .08 which usually makes groups larger but on rare occasions makes a group smaller.</p><p> </p><p>I've tried about every way there is to measure it and ended up with the method of choice for me being the Sinclair tool that looks like a rod with two locking collars on it. </p><p> </p><p><a href="http://www.sinclairintl.com/product/6803/Bullet-Seating-Depth-Tools-OAL" target="_blank">Bullet Seating Depth Tools (OAL) - Sinclair Seating Depth Gauge</a></p><p> </p><p>There are other tools but this one works best for me. Once I get the OAL figured out I use a tool that measures the base to Ogive distance.</p><p> </p><p>Fitch</p></blockquote><p></p>
[QUOTE="Fitch, post: 377683, member: 19372"] I always begin my load development with the bullet seated about 0.020" off the lands. That's far enough back that I "know" it won't be touching and cause me pressure problems, and suprisingly often it turns out to be the best when all is done. I never load for less jump than that because I only load hunting rounds so I never load with the bullets jammed into the lands. I don't want the bullet pulling and dumping powder into the action when I unload it after not shooting (which happens more often than not). I have found that I can choose the powder charge to minimize group size with the bullets set to 0.020" off the lands and then back off to .04, .06, and .08 which usually makes groups larger but on rare occasions makes a group smaller. I've tried about every way there is to measure it and ended up with the method of choice for me being the Sinclair tool that looks like a rod with two locking collars on it. [url=http://www.sinclairintl.com/product/6803/Bullet-Seating-Depth-Tools-OAL]Bullet Seating Depth Tools (OAL) - Sinclair Seating Depth Gauge[/url] There are other tools but this one works best for me. Once I get the OAL figured out I use a tool that measures the base to Ogive distance. Fitch [/QUOTE]
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