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Rifles, Reloading, Optics, Equipment
Reloading
7RUM & Vv N170
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<blockquote data-quote="brianwinzor" data-source="post: 591723" data-attributes="member: 1067"><p>Sadly I no longer own a 257W, as my .257W, 25-06AI, and .224 Clark were stolen about 2 years ago.</p><p></p><p>However, I still have the chrono data that I worked up in my Custom 257W, with REM 700, and Krieger 26 inch 1 in 7 twist barrel. (no freebore)</p><p></p><p>Using Norma 257W cases, Federal 215 primer</p><p>Nosler 100 grain BT</p><p>72.0 AR 2225 - 3347 (Mild)</p><p>76.0 AR2225 - 3561 (Max)</p><p>72.0 Viht N570 - 3286 (Mild)</p><p>75.0 Viht N570 - 3607 (Max) </p><p>82.0 H 870 - 3553 (Max)</p><p></p><p>I did not try Viht N170 with the 100 grain BT, but as you can see I tried Viht N570 and AR2225 which should give you a clue. I did use Viht N170 with the Wildcat 156 grain ULD.</p><p></p><p>Wildcat 156 grain ULD</p><p>64.0 AR2225 - 2831 (Max)</p><p>64.0 Viht N170 - 2841 (Max)</p><p>69.0 H870 - 2881 (Max)</p><p>70.0 AR2218 (H50BMG in US) - 2872 (Max)</p><p></p><p>Good Luck, Brian.</p></blockquote><p></p>
[QUOTE="brianwinzor, post: 591723, member: 1067"] Sadly I no longer own a 257W, as my .257W, 25-06AI, and .224 Clark were stolen about 2 years ago. However, I still have the chrono data that I worked up in my Custom 257W, with REM 700, and Krieger 26 inch 1 in 7 twist barrel. (no freebore) Using Norma 257W cases, Federal 215 primer Nosler 100 grain BT 72.0 AR 2225 - 3347 (Mild) 76.0 AR2225 - 3561 (Max) 72.0 Viht N570 - 3286 (Mild) 75.0 Viht N570 - 3607 (Max) 82.0 H 870 - 3553 (Max) I did not try Viht N170 with the 100 grain BT, but as you can see I tried Viht N570 and AR2225 which should give you a clue. I did use Viht N170 with the Wildcat 156 grain ULD. Wildcat 156 grain ULD 64.0 AR2225 - 2831 (Max) 64.0 Viht N170 - 2841 (Max) 69.0 H870 - 2881 (Max) 70.0 AR2218 (H50BMG in US) - 2872 (Max) Good Luck, Brian. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
7RUM & Vv N170
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