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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
375 Allen Xpress load development with velocity results
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<blockquote data-quote="Fiftydriver" data-source="post: 846451" data-attributes="member: 10"><p>Got some Ramshot Hunter powder in to try with the 350 gr TSX. Was pretty happy with the results, was hoping to break 2800 fps. Here are the specs:</p><p> </p><p>375 Allen Xpress once fired brass</p><p>350 gr TSX</p><p>3.565" OAL</p><p>Fed-215</p><p>Ramshot Hunter</p><p> </p><p>85.0 gr...................2455 fps</p><p>90.0 gr...................2569 fps</p><p>93.0 gr...................2656 fps</p><p>95.0 gr...................2685 fps</p><p>97.0 gr...................2737 fps 100% load density</p><p>98.0 gr...................2772 fps</p><p>99.0 gr...................2805 fps Max working load, very faint ejector ring</p><p> </p><p>If I were hunting here I would be 100% confortable using the 99.0 gr load and even 100.0 gr would be very practical pressure wise. Still, this customer is heading to Africa where it may be a lot hotter so for this use, I would recommend dropping down to the 95.0 gr load which is basically at the 2700 fps level and have a HUGE margin of safety pressure wise for 100% reliable function in possible hot temps. </p><p> </p><p>This powder is a great match for this chambering and bullet and the short throat design. We ran into 100% load density about the same time that the round started to show faint ejector rings. About perfect.</p><p> </p><p>Again, at 99.0 gr, primer pockets are virgin tight, bolt life is effortless so this is no way near a red line load, no reason to push things that hard, reached my desired goal and that was plenty and a great comfortable place to stop testing at.</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 846451, member: 10"] Got some Ramshot Hunter powder in to try with the 350 gr TSX. Was pretty happy with the results, was hoping to break 2800 fps. Here are the specs: 375 Allen Xpress once fired brass 350 gr TSX 3.565" OAL Fed-215 Ramshot Hunter 85.0 gr...................2455 fps 90.0 gr...................2569 fps 93.0 gr...................2656 fps 95.0 gr...................2685 fps 97.0 gr...................2737 fps 100% load density 98.0 gr...................2772 fps 99.0 gr...................2805 fps Max working load, very faint ejector ring If I were hunting here I would be 100% confortable using the 99.0 gr load and even 100.0 gr would be very practical pressure wise. Still, this customer is heading to Africa where it may be a lot hotter so for this use, I would recommend dropping down to the 95.0 gr load which is basically at the 2700 fps level and have a HUGE margin of safety pressure wise for 100% reliable function in possible hot temps. This powder is a great match for this chambering and bullet and the short throat design. We ran into 100% load density about the same time that the round started to show faint ejector rings. About perfect. Again, at 99.0 gr, primer pockets are virgin tight, bolt life is effortless so this is no way near a red line load, no reason to push things that hard, reached my desired goal and that was plenty and a great comfortable place to stop testing at. [/QUOTE]
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375 Allen Xpress load development with velocity results
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