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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338 Sherman Build (This Is My Boomstick!)
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<blockquote data-quote="benchracer" data-source="post: 1343117" data-attributes="member: 22069"><p>I do have limited data on H100V. I need to go back and edit my posts to include that data, along with OAL info for some of the bullets. So far, I have only tested H100V with the SST's and the Berger 250. </p><p></p><p>H100V is pressuring out at, or slightly below, the same velocity as RL-17. It seems to behave in a more linear, predictable fashion than RL-17. When it does pressure out, it seems to do so more gently. RL-17 has tended to signal it is near the top end with a faint ejector mark, immediately followed by a bright ejector mark, hard bolt lift, and hard extraction, all at once. H100V has tended to show a bright ejector mark at the top end, before it reaches a level that produces hard bolt lift or hard extraction.</p><p></p><p>I haven't tested any of the CE bullets with H100V because it isn't showing me anything particularly distinct from RL-17. I have done quite a bit of load work with RL-17, in various chamberings, which has given me a pretty good feel for where the accuracy nodes are going to show up. Based on what I have seen with the Berger 250's, so far, I am confident that the accuracy node with RL-17 will show up right at 2800. Though H100V is producing similar velocities, I am not sure if the nodes will show up in the same place. Once I have some accuracy nodes pinned down with RL-17, I intend to re-visit H100V with certain combinations.</p><p></p><p>For now, I need to narrow my focus to a few combinations. Testing to find MAX with 6 different bullets and three different powders is taking a toll on my brass. PRVI brass not working out put a big dent in my testing plans, leaving me with half as many cases to take the testing workload. I need to get some accuracy nodes pinned down with my most promising combinations before I start losing cases and have to start over by fireforming a new batch of brass.</p><p></p><p>On the back end of all of this, I plan to do some additional work with RWS brass and my established accuracy nodes.</p></blockquote><p></p>
[QUOTE="benchracer, post: 1343117, member: 22069"] I do have limited data on H100V. I need to go back and edit my posts to include that data, along with OAL info for some of the bullets. So far, I have only tested H100V with the SST's and the Berger 250. H100V is pressuring out at, or slightly below, the same velocity as RL-17. It seems to behave in a more linear, predictable fashion than RL-17. When it does pressure out, it seems to do so more gently. RL-17 has tended to signal it is near the top end with a faint ejector mark, immediately followed by a bright ejector mark, hard bolt lift, and hard extraction, all at once. H100V has tended to show a bright ejector mark at the top end, before it reaches a level that produces hard bolt lift or hard extraction. I haven't tested any of the CE bullets with H100V because it isn't showing me anything particularly distinct from RL-17. I have done quite a bit of load work with RL-17, in various chamberings, which has given me a pretty good feel for where the accuracy nodes are going to show up. Based on what I have seen with the Berger 250's, so far, I am confident that the accuracy node with RL-17 will show up right at 2800. Though H100V is producing similar velocities, I am not sure if the nodes will show up in the same place. Once I have some accuracy nodes pinned down with RL-17, I intend to re-visit H100V with certain combinations. For now, I need to narrow my focus to a few combinations. Testing to find MAX with 6 different bullets and three different powders is taking a toll on my brass. PRVI brass not working out put a big dent in my testing plans, leaving me with half as many cases to take the testing workload. I need to get some accuracy nodes pinned down with my most promising combinations before I start losing cases and have to start over by fireforming a new batch of brass. On the back end of all of this, I plan to do some additional work with RWS brass and my established accuracy nodes. [/QUOTE]
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338 Sherman Build (This Is My Boomstick!)
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