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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
1000 Yard Gun - .260 vs 6.5 Creedmoor
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<blockquote data-quote="Crusty Buck" data-source="post: 732081" data-attributes="member: 44282"><p>Neck tension is a huge factor wthen trying to reduce Standard Deviation, either resistant or smooth straight accross the load. Too much is an issue for pressure problems, but I think a person would stop and rethink the reloading procedures. My 300 win mag is tighter than my 308, but I'm sure it's becuase of the dies. I only full length resize every 4 loads. My Thompson 300 win mag is really fussy about that. If I don't FL resize by the 4 th reload. They will enter the chamber just fine, but need a ram rod to remove them. I always cut them back to length on every load and debur. Thompson Ventures have a tight chamber. They also varry greatly from gun to gun. Out of 3 Venture's, all 300 win mags in our family, my nephew and i can reload for each other, but my bother's Venture could not be reloaded for at all. A call to the factory accomplished nothing, so the gun went down the road, hopefully to a hunter who doesn't try to reload. Well, I'm getting closer to the sweet load for my FCP-K 308. 44.5 gr. of Varget, 155 Sierra Match produces nice groups @ 2792 in 25 degree weather. I may back it off a little to see if they tighten up. Only 100 rds through the tube at this point, following all the break-in rules. It's getting there. They cancelled our shoot for tomorrow because of the weather, "WET". My philosophy came out of the Army, "If it ain't raining, it ain't traing" gun). The heavy guns $ don't like it when it's wet <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite6" alt=":cool:" title="Cool :cool:" loading="lazy" data-shortname=":cool:" /> CFT, get that CM shooting out to 500 yds and see what kind of groups you get. </p><p> </p><p>CB</p></blockquote><p></p>
[QUOTE="Crusty Buck, post: 732081, member: 44282"] Neck tension is a huge factor wthen trying to reduce Standard Deviation, either resistant or smooth straight accross the load. Too much is an issue for pressure problems, but I think a person would stop and rethink the reloading procedures. My 300 win mag is tighter than my 308, but I'm sure it's becuase of the dies. I only full length resize every 4 loads. My Thompson 300 win mag is really fussy about that. If I don't FL resize by the 4 th reload. They will enter the chamber just fine, but need a ram rod to remove them. I always cut them back to length on every load and debur. Thompson Ventures have a tight chamber. They also varry greatly from gun to gun. Out of 3 Venture's, all 300 win mags in our family, my nephew and i can reload for each other, but my bother's Venture could not be reloaded for at all. A call to the factory accomplished nothing, so the gun went down the road, hopefully to a hunter who doesn't try to reload. Well, I'm getting closer to the sweet load for my FCP-K 308. 44.5 gr. of Varget, 155 Sierra Match produces nice groups @ 2792 in 25 degree weather. I may back it off a little to see if they tighten up. Only 100 rds through the tube at this point, following all the break-in rules. It's getting there. They cancelled our shoot for tomorrow because of the weather, "WET". My philosophy came out of the Army, "If it ain't raining, it ain't traing" gun). The heavy guns $ don't like it when it's wet :cool: CFT, get that CM shooting out to 500 yds and see what kind of groups you get. CB [/QUOTE]
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1000 Yard Gun - .260 vs 6.5 Creedmoor
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