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Rifles, Reloading, Optics, Equipment
Reloading
7mm STW / 175gr. Sierra Gamekings
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<blockquote data-quote="STW Newcommer" data-source="post: 1212644" data-attributes="member: 96400"><p>I have put about 50 rounds through it. I did 3 ladder tests from 71.0 to 74.5 grs (RL-25) at 0.5 gr. intervals, jump at .010 off the lands, 175 gr SGK and it shot all over the target. Slower loads shot hi and lo. Faster loads were a little more consistant but all over. Overall shot about a 8" circle at 300 yds. I did a second ladder from 74.0 to 77.0 grains of RL-15, I pulled the bullets back to .030 jump. It shot a little better but I did not get the clasic ladder, they were all over from right to left but pretty close up and down. It seamed to favor 76.5grs. But 76 and 77 were close up/dn but 6" wide l/R. 77.5grs was max in my gun. I've done ladder tests before with my .280 REM and never had this difficulty. </p><p></p><p>This is all making me wonder if something is wrong with the gun. It is not bedded nor has any pillars. The stock in synthetic and has some barrel pressure. But everything is factory stock. I assembled the stock and scope mounting with a torque driver. Any suggestions?</p></blockquote><p></p>
[QUOTE="STW Newcommer, post: 1212644, member: 96400"] I have put about 50 rounds through it. I did 3 ladder tests from 71.0 to 74.5 grs (RL-25) at 0.5 gr. intervals, jump at .010 off the lands, 175 gr SGK and it shot all over the target. Slower loads shot hi and lo. Faster loads were a little more consistant but all over. Overall shot about a 8" circle at 300 yds. I did a second ladder from 74.0 to 77.0 grains of RL-15, I pulled the bullets back to .030 jump. It shot a little better but I did not get the clasic ladder, they were all over from right to left but pretty close up and down. It seamed to favor 76.5grs. But 76 and 77 were close up/dn but 6" wide l/R. 77.5grs was max in my gun. I've done ladder tests before with my .280 REM and never had this difficulty. This is all making me wonder if something is wrong with the gun. It is not bedded nor has any pillars. The stock in synthetic and has some barrel pressure. But everything is factory stock. I assembled the stock and scope mounting with a torque driver. Any suggestions? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
7mm STW / 175gr. Sierra Gamekings
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