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Long Range Hunting & Shooting
6.5 PRC Powder Charge/Velocity Ladder Test. No Flat Spot
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<blockquote data-quote="BountyHunter" data-source="post: 2951476" data-attributes="member: 12"><p>Couple comments</p><p></p><p>1. I will take Hornady results with a grain of salt. They are shooting factory ammo for their results. We have seen wild MV variances with their factory ammo. Gee no wonder they see variances.</p><p></p><p>2. I have used the ladder AND velocity node development for years. It is quick, proven and in my experience repeatable. I have taken a new barrel, broken it in, shot ladders over chrono and tweaked load and seating depth in 3 days and won state championship that weekend. total rounds fired was less than 100. I look for 2-3 rds with same basic point of impact at 300-400 yards AND similar MV nodes shooting .2-.3 grain increments. The combo of the two work. Now you can talk statistical variance reliability all you want, but no wants to burn out a barrel shooting 10-15 35 shot groups to find a starting powder load and then repeat with seating depth and burn half a barrel out.</p></blockquote><p></p>
[QUOTE="BountyHunter, post: 2951476, member: 12"] Couple comments 1. I will take Hornady results with a grain of salt. They are shooting factory ammo for their results. We have seen wild MV variances with their factory ammo. Gee no wonder they see variances. 2. I have used the ladder AND velocity node development for years. It is quick, proven and in my experience repeatable. I have taken a new barrel, broken it in, shot ladders over chrono and tweaked load and seating depth in 3 days and won state championship that weekend. total rounds fired was less than 100. I look for 2-3 rds with same basic point of impact at 300-400 yards AND similar MV nodes shooting .2-.3 grain increments. The combo of the two work. Now you can talk statistical variance reliability all you want, but no wants to burn out a barrel shooting 10-15 35 shot groups to find a starting powder load and then repeat with seating depth and burn half a barrel out. [/QUOTE]
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6.5 PRC Powder Charge/Velocity Ladder Test. No Flat Spot
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