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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
280 AI replacement for 270 Win.
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<blockquote data-quote="woods" data-source="post: 368648" data-attributes="member: 6042"><p>I'm working with it now in my new 375 Ruger and (not having any data) started low and will work up. I started at 74 gr for lack of a better starting point, hoping to hit 2600 fps or so with the 270 gr TSX and got these results</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></p><p>At these loads the velocity essentially stayed the same which tells me I have a ways to go. So I am going to load some at 77 gr, 78 gr and 79 gr for the next range session. No telling where max is but I will be watching for pressure signs and may well end up well above these levels.</p><p></p><p>The accuracy is there at these lower levels</p><p><img src="http://img.photobucket.com/albums/v663/bwestfall/TARGETS/DSCN1880.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><img src="http://img.photobucket.com/albums/v663/bwestfall/TARGETS/DSCN1881.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Once I get decent velocity I will either decide to continue to find max or search for the load.</p></blockquote><p></p>
[QUOTE="woods, post: 368648, member: 6042"] I'm working with it now in my new 375 Ruger and (not having any data) started low and will work up. I started at 74 gr for lack of a better starting point, hoping to hit 2600 fps or so with the 270 gr TSX and got these results 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 At these loads the velocity essentially stayed the same which tells me I have a ways to go. So I am going to load some at 77 gr, 78 gr and 79 gr for the next range session. No telling where max is but I will be watching for pressure signs and may well end up well above these levels. The accuracy is there at these lower levels [IMG]http://img.photobucket.com/albums/v663/bwestfall/TARGETS/DSCN1880.jpg[/IMG] [IMG]http://img.photobucket.com/albums/v663/bwestfall/TARGETS/DSCN1881.jpg[/IMG] Once I get decent velocity I will either decide to continue to find max or search for the load. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
280 AI replacement for 270 Win.
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