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Long Range Hunting & Shooting
6.5 PRC 20" Barrel Reload Questions
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<blockquote data-quote="MtnMann" data-source="post: 2928886" data-attributes="member: 113169"><p>Honestly, I'm still learning and have no personal experience with the 6.5 PRC, but I'm just thinking that the switch to Lapua brass and it being new brass may be adding up the variables to the extent that it is causing a noticeable effect on the performance of the rifle. There could definitely be other causes for the decreased accuracy and slower velocity. Putting the average cartridge and bullet info in Gordon's Reloading Tool is showing approximately 2730 fps based on your charge of 57.0gr of H1000 which would give you about 3.25" drop at 200 yards depending on weather conditions. <strong>Note</strong>, the simulation is obviously not 100% true to real world findings or pressures and without knowing your actual case volume the data is less accurate. However, I have found it to be very close when comparing real world velocities to the predicted velocities in a lot of my cartridges. </p><p></p><p></p><p>Hahaha yes it is! I'm kind of close to you and usually hunt over by Maybell. However, due to the winter kill I have been having no luck picking up tags.</p></blockquote><p></p>
[QUOTE="MtnMann, post: 2928886, member: 113169"] Honestly, I'm still learning and have no personal experience with the 6.5 PRC, but I'm just thinking that the switch to Lapua brass and it being new brass may be adding up the variables to the extent that it is causing a noticeable effect on the performance of the rifle. There could definitely be other causes for the decreased accuracy and slower velocity. Putting the average cartridge and bullet info in Gordon's Reloading Tool is showing approximately 2730 fps based on your charge of 57.0gr of H1000 which would give you about 3.25" drop at 200 yards depending on weather conditions. [B]Note[/B], the simulation is obviously not 100% true to real world findings or pressures and without knowing your actual case volume the data is less accurate. However, I have found it to be very close when comparing real world velocities to the predicted velocities in a lot of my cartridges. Hahaha yes it is! I'm kind of close to you and usually hunt over by Maybell. However, due to the winter kill I have been having no luck picking up tags. [/QUOTE]
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6.5 PRC 20" Barrel Reload Questions
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