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Rifles, Reloading, Optics, Equipment
Reloading
Help with .300wm Load
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<blockquote data-quote="Mike Matteson" data-source="post: 2506955" data-attributes="member: 101791"><p>You kind of have that backwards. Size down and expand for neck tension. placing the deformities to the outside. I don't know what your barrel length is. I would also change to different primers. I would also use Fed 210M or just 210. Is your barrel free floating? Action bedded? Are you deburring your flash holes. Have you fireformed the cases? It was mention above that you can step up at 1/2gr at a time. The powder you are using H4831 is temp stable. There was a person the other day that place pictures here where he changes out his primers. Reduced the grouping by about 1-1/2" if I remember correctly. I wish I had down loaded the picture. I is and was a great example of how primers can effect the groups.</p></blockquote><p></p>
[QUOTE="Mike Matteson, post: 2506955, member: 101791"] You kind of have that backwards. Size down and expand for neck tension. placing the deformities to the outside. I don't know what your barrel length is. I would also change to different primers. I would also use Fed 210M or just 210. Is your barrel free floating? Action bedded? Are you deburring your flash holes. Have you fireformed the cases? It was mention above that you can step up at 1/2gr at a time. The powder you are using H4831 is temp stable. There was a person the other day that place pictures here where he changes out his primers. Reduced the grouping by about 1-1/2" if I remember correctly. I wish I had down loaded the picture. I is and was a great example of how primers can effect the groups. [/QUOTE]
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Help with .300wm Load
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