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Rifles, Reloading, Optics, Equipment
Reloading
Horizontal group spread
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<blockquote data-quote="FlGunner" data-source="post: 1679347" data-attributes="member: 94240"><p>So I recently purchased a new Browning BAR Mk3 in 243 win that has a 1:10 twist barrel. What I got going on is horizontal spread when shooting groups. The vertical spread will typically be within a half inch but the vertical is 2" center to center. It does not change with the powder charge. I'm loading Speer 85 grain BTSP and OAL is 2.625 which is Speer's spec. I have not done any seating depth adjusting being this is the first auto loader that I've attempted to load for. I'm hoping some of you guys might be able to help me out with this. I've done work ups with Varget and H4350 and both had good vertical spread but horizontal stayed about 2" some were 1.5" but not what I was hoping for. All rounds shot at 100 yds and off a stable bench with sand bags. Factory Winchester 80 grain sp shoots a 3/4-1" group but it's more vertical than clover leaf. I've checked the forend screw torque and it is good. Any help is greatly appreciated.</p></blockquote><p></p>
[QUOTE="FlGunner, post: 1679347, member: 94240"] So I recently purchased a new Browning BAR Mk3 in 243 win that has a 1:10 twist barrel. What I got going on is horizontal spread when shooting groups. The vertical spread will typically be within a half inch but the vertical is 2” center to center. It does not change with the powder charge. I’m loading Speer 85 grain BTSP and OAL is 2.625 which is Speer’s spec. I have not done any seating depth adjusting being this is the first auto loader that I’ve attempted to load for. I’m hoping some of you guys might be able to help me out with this. I’ve done work ups with Varget and H4350 and both had good vertical spread but horizontal stayed about 2” some were 1.5” but not what I was hoping for. All rounds shot at 100 yds and off a stable bench with sand bags. Factory Winchester 80 grain sp shoots a 3/4-1” group but it’s more vertical than clover leaf. I’ve checked the forend screw torque and it is good. Any help is greatly appreciated. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Horizontal group spread
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