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Rifles, Reloading, Optics, Equipment
Reloading
243 grouping
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<blockquote data-quote="SkipB" data-source="post: 2657905" data-attributes="member: 117443"><p>Guys I have a 243 that wont group in a bucket. I built up a heavy barrel 243 using a 9 twist McGowan barrel in a floated Boyds stock with a 6x24 Vortex scope. I have used 43 grains of Superformance with a 100 grain Interlock with a .020 jump and it wont group in an 8 inch circle. I have used 42 grains of IMR 4350 under a 90 grain Speer flat base .020 jump and it groups about 4 inches. I used 34 grains of H-4895 under a 90 grain Speer flat base with .020 jump and again maybe a 3 or 4 inch group. All of this is at 100 yds and cool temps. My next powder is H 4350. It seems like the lighter bullets group a little better but not by much. This gun has 24 rounds through it and I followed a good break in procedure. Anyone have a suggestion?</p></blockquote><p></p>
[QUOTE="SkipB, post: 2657905, member: 117443"] Guys I have a 243 that wont group in a bucket. I built up a heavy barrel 243 using a 9 twist McGowan barrel in a floated Boyds stock with a 6x24 Vortex scope. I have used 43 grains of Superformance with a 100 grain Interlock with a .020 jump and it wont group in an 8 inch circle. I have used 42 grains of IMR 4350 under a 90 grain Speer flat base .020 jump and it groups about 4 inches. I used 34 grains of H-4895 under a 90 grain Speer flat base with .020 jump and again maybe a 3 or 4 inch group. All of this is at 100 yds and cool temps. My next powder is H 4350. It seems like the lighter bullets group a little better but not by much. This gun has 24 rounds through it and I followed a good break in procedure. Anyone have a suggestion? [/QUOTE]
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Reloading
243 grouping
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