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Rifles, Reloading, Optics, Equipment
Reloading
Please Help Me Develop a Load for 145 GR LRX in 7 MM WBY Magnum
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<blockquote data-quote="chesspunker" data-source="post: 1464959" data-attributes="member: 106356"><p>I want to thank everyone for helping me find my recipe for my custom 7 MM Weatherby Magnum rifle!</p><p></p><p>As discussed above I went to the range on Saturday and shot three different groups of four bullets at three different overall cartridge lengths. The winner was my first group which was my deepest seated bullet (2.738" to ogive). The group size was 0.765". I started out with a completely clean barrel before shooting each group (no powder or copper fouling). I use Sweet's to clean my gun and it was squeaky clean before each fouling shot was fired. If you look at my target photo you will see that I only had one flier out of all my group shots. If not for this flier all three of my groups would have been Sub MOA. This gives me even more confidence. I'm guessing the flier was operator error.</p><p></p><p>I used a fan to help cool my gun between shots and this worked very nicely (shown in photo).</p><p></p><p>I set up my target so that I would shoot one fouling shot at a lower orange sticker and then shoot four shots at a higher orange sticker. See attached for my results. The winning recipe is below. </p><p></p><p>Group Size = 0.765"</p><p>Bullet = Barnes 145 GR LRX</p><p>Powder = 73.1 Grains of H4831SC</p><p>Cartridge Length = 2.738" (to ogive)</p><p>Primer = GM215M</p><p>Brass = Once Fired Neck Resized only Norma WBY</p><p>Muzzle Velocity = 3185 FPS</p><p></p><p>ONCE AGAIN MANY THANKS TO ALL THAT RESPONDED AND HELPED ME AT LONG RANGE HUNTING!!! I took bits and pieces from everyone who responded and found what works for my gun. I can't wait to hunt with my bullets in a couple of weeks when CA A zone rifle season opens.</p><p></p><p>Take Care,</p><p></p><p>Chesspunker</p></blockquote><p></p>
[QUOTE="chesspunker, post: 1464959, member: 106356"] I want to thank everyone for helping me find my recipe for my custom 7 MM Weatherby Magnum rifle! As discussed above I went to the range on Saturday and shot three different groups of four bullets at three different overall cartridge lengths. The winner was my first group which was my deepest seated bullet (2.738" to ogive). The group size was 0.765". I started out with a completely clean barrel before shooting each group (no powder or copper fouling). I use Sweet's to clean my gun and it was squeaky clean before each fouling shot was fired. If you look at my target photo you will see that I only had one flier out of all my group shots. If not for this flier all three of my groups would have been Sub MOA. This gives me even more confidence. I'm guessing the flier was operator error. I used a fan to help cool my gun between shots and this worked very nicely (shown in photo). I set up my target so that I would shoot one fouling shot at a lower orange sticker and then shoot four shots at a higher orange sticker. See attached for my results. The winning recipe is below. Group Size = 0.765" Bullet = Barnes 145 GR LRX Powder = 73.1 Grains of H4831SC Cartridge Length = 2.738" (to ogive) Primer = GM215M Brass = Once Fired Neck Resized only Norma WBY Muzzle Velocity = 3185 FPS ONCE AGAIN MANY THANKS TO ALL THAT RESPONDED AND HELPED ME AT LONG RANGE HUNTING!!! I took bits and pieces from everyone who responded and found what works for my gun. I can't wait to hunt with my bullets in a couple of weeks when CA A zone rifle season opens. Take Care, Chesspunker [/QUOTE]
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Please Help Me Develop a Load for 145 GR LRX in 7 MM WBY Magnum
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