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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
375 Ruger
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<blockquote data-quote="woods" data-source="post: 631937" data-attributes="member: 6042"><p>I put a 24" PacNor 3 groove #5 contour on mine. I wanted the extra weight of the heavier contour for recoil reduction. It was a rebarrel of a Winchester push feed 264 win mag Model 70, which is not a light action either so the gun is a 11 pounder all loaded up but is easy to shoot.</p><p></p><p>Since the 375's are reputed to do well with powders in the RL15 to IMR4350 range, I decided from the start to use RL17. With no reloading data I started low and worked up which is what anyone should also do if using this data</p><p></p><p>BULLET WT PWD CHARGE OAL FPS</p><p></p><p>TSX 270 RL17 74.0 3.285 2552</p><p>TSX 270 RL17 74.5 3.285 2564</p><p>TSX 270 RL17 75.0 3.285 2578</p><p>TSX 270 RL17 75.5 3.285 2564</p><p>TSX 270 RL17 76.0 3.285 2572</p><p></p><p>TSX 270 RL17 77.0 3.285 2573</p><p>TSX 270 RL17 78.0 3.285 2621</p><p>TSX 270 RL17 79.0 3.285 2643</p><p></p><p>AB 260 RL17 80.0 3.350 2760</p><p>AB 260 RL17 81.0 3.350 2798</p><p>AB 260 RL17 82.0 3.350 2849</p><p>TSX 270 RL17 80.0 3.285 2692</p><p>TSX 270 RL17 81.0 3.285 2714</p><p>TSX 270 RL17 82.0 3.285 2753</p><p></p><p>AB 260 RL17 82.5 3.350 2859</p><p>AB 260 RL17 83.0 3.350 2872</p><p>AB 260 RL17 83.5 3.350 2896</p><p>AB 260 RL17 84.0 3.350 2916</p><p></p><p>AB 260 RL17 84.5 3.350 2938</p><p>AB 260 RL17 85.0 3.350 2941</p><p>AB 260 RL17 85.5 3.350 2956</p><p>AB 260 RL17 86.0 3.350 2978</p><p></p><p>AB 260 RL17 86.5 3.350 2996</p><p></p><p></p><p>As you can tell I was looking for max load with RL17 and never did get any pressure signs. Here is a pic of the primers on the last load listed</p><p></p><p><img src="http://img.photobucket.com/albums/v663/bwestfall/RELOADING/DSCN2028.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>But I got better accuracy with the 270 TSX and felt more comfortable running it at 2850 to 2900 fps</p><p></p><p><img src="http://img.photobucket.com/albums/v663/bwestfall/TARGETS/DSC00863.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>But it is possible to run the 260 Accubond at close to 3000 fps which would mean it would have the trajectory of a 270 winchester!</p></blockquote><p></p>
[QUOTE="woods, post: 631937, member: 6042"] I put a 24" PacNor 3 groove #5 contour on mine. I wanted the extra weight of the heavier contour for recoil reduction. It was a rebarrel of a Winchester push feed 264 win mag Model 70, which is not a light action either so the gun is a 11 pounder all loaded up but is easy to shoot. Since the 375's are reputed to do well with powders in the RL15 to IMR4350 range, I decided from the start to use RL17. With no reloading data I started low and worked up which is what anyone should also do if using this data BULLET WT PWD CHARGE OAL FPS TSX 270 RL17 74.0 3.285 2552 TSX 270 RL17 74.5 3.285 2564 TSX 270 RL17 75.0 3.285 2578 TSX 270 RL17 75.5 3.285 2564 TSX 270 RL17 76.0 3.285 2572 TSX 270 RL17 77.0 3.285 2573 TSX 270 RL17 78.0 3.285 2621 TSX 270 RL17 79.0 3.285 2643 AB 260 RL17 80.0 3.350 2760 AB 260 RL17 81.0 3.350 2798 AB 260 RL17 82.0 3.350 2849 TSX 270 RL17 80.0 3.285 2692 TSX 270 RL17 81.0 3.285 2714 TSX 270 RL17 82.0 3.285 2753 AB 260 RL17 82.5 3.350 2859 AB 260 RL17 83.0 3.350 2872 AB 260 RL17 83.5 3.350 2896 AB 260 RL17 84.0 3.350 2916 AB 260 RL17 84.5 3.350 2938 AB 260 RL17 85.0 3.350 2941 AB 260 RL17 85.5 3.350 2956 AB 260 RL17 86.0 3.350 2978 AB 260 RL17 86.5 3.350 2996 As you can tell I was looking for max load with RL17 and never did get any pressure signs. Here is a pic of the primers on the last load listed [IMG]http://img.photobucket.com/albums/v663/bwestfall/RELOADING/DSCN2028.jpg[/IMG] But I got better accuracy with the 270 TSX and felt more comfortable running it at 2850 to 2900 fps [IMG]http://img.photobucket.com/albums/v663/bwestfall/TARGETS/DSC00863.jpg[/IMG] But it is possible to run the 260 Accubond at close to 3000 fps which would mean it would have the trajectory of a 270 winchester! [/QUOTE]
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