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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Hornady CX 190 gr 30 cal
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<blockquote data-quote="Peter.Kansas" data-source="post: 2678274" data-attributes="member: 125335"><p>Couple notes with the .308 190CX load in my 300WM Bergara, these are not SAAMI spec loads.</p><p>per Hornady 2000fps is the minimum impact velocity which is 600 yds @2950 fps</p><p></p><p>using SHOOTERSCALCULATORS.COM and having confirmed at 1325 yards the load has the same identical trajectory as my 190 Sierrra matchking load. </p><p></p><p>Best grouping load to date</p><p>190CX</p><p>HDY BRASS</p><p>WLRM</p><p>66.0 gr IMR 4451</p><p>COAL 3.551</p><p>@2923fps SD11.4 ES20.3</p><p>60 degrees</p><p></p><p>I've tested the following loads at 3.551 COAL from 65 grs IMR 4451 to 68 at .03 grains with 66 being the best Load</p><p></p><p>IMR 4831 @ 70.5 =2963 w/sd of 7.1 good load</p><p></p><p>MPRO @ 79.5 = 2978 w/sd of 5.6 good load </p><p></p><p>SHOT 12-02-22 following load</p><p>190CX</p><p>GRAF BRASS</p><p>WLM Primer</p><p>80grs MPRO</p><p>COAL 3.735</p><p>10 degrees Fahrenheit 2400 ft [USER=61070]@3000fps[/USER] accuracy was marginal 2.5 inch groups</p><p></p><p>summery</p><p></p><p>for the length of the bullet and 600 yards being minimum expansion limit I would look at a lighter copper bullet/higher velocity or a berger 205 elite hunter in the 300 WM</p></blockquote><p></p>
[QUOTE="Peter.Kansas, post: 2678274, member: 125335"] Couple notes with the .308 190CX load in my 300WM Bergara, these are not SAAMI spec loads. per Hornady 2000fps is the minimum impact velocity which is 600 yds @2950 fps using SHOOTERSCALCULATORS.COM and having confirmed at 1325 yards the load has the same identical trajectory as my 190 Sierrra matchking load. Best grouping load to date 190CX HDY BRASS WLRM 66.0 gr IMR 4451 COAL 3.551 @2923fps SD11.4 ES20.3 60 degrees I've tested the following loads at 3.551 COAL from 65 grs IMR 4451 to 68 at .03 grains with 66 being the best Load IMR 4831 @ 70.5 =2963 w/sd of 7.1 good load MPRO @ 79.5 = 2978 w/sd of 5.6 good load SHOT 12-02-22 following load 190CX GRAF BRASS WLM Primer 80grs MPRO COAL 3.735 10 degrees Fahrenheit 2400 ft [USER=61070]@3000fps[/USER] accuracy was marginal 2.5 inch groups summery for the length of the bullet and 600 yards being minimum expansion limit I would look at a lighter copper bullet/higher velocity or a berger 205 elite hunter in the 300 WM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Hornady CX 190 gr 30 cal
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