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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7 mag reloading conundrum?
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<blockquote data-quote="pyroducksx3" data-source="post: 524426" data-attributes="member: 20443"><p>I will recheck the loads over the chrono as soon as I can. We were having muzzle blast issues earlier so we kept moving the chrono out until everything worked, it ended up about 20-25 feet away from the bench. I was going up in .7 gr loads (1%) at a time. The loads shot great, I dont have the targets in from of me but they were between .6 and .7" at 100 and there was no noticable change in recoil or sound report. And neck tension wasn't an issue, I used the redding competition neck sizer and and rechecked the ID (they measured at .282 before I reloaded the brass. At first I thought I was getting pretty low velocities but after looking at hodgdons website I was just a little slow maybe 50 fps to what there info says for the 140 nosler partitions. Also the chrono was a new competition electronics prochrono digital, so the batteries were freash as well. I was hoping to get 3100-3200 is that realistic in a 7 rem mag with a 24" using 140 berger vlds? I saw that someone had posted they were getting a little over 3200 with an stw and 85 gr of h1000 so maybe Im not not far off of where I should be. I didnt realize that the chrono could throw that far off a number. I got errors earlier and everything else seemed to read clean so I figured it would throw an error if it had a problem reading. The other thing that made me doubt that the chrono could be throwing errors was that it read the strings consistant, I figured if it was reading poorly the numbers would be all over and not close but in the 2000 and 2220 but Im learning so thanks for the info that the chrono can be flakey even if it appears to be functioning correctly.</p></blockquote><p></p>
[QUOTE="pyroducksx3, post: 524426, member: 20443"] I will recheck the loads over the chrono as soon as I can. We were having muzzle blast issues earlier so we kept moving the chrono out until everything worked, it ended up about 20-25 feet away from the bench. I was going up in .7 gr loads (1%) at a time. The loads shot great, I dont have the targets in from of me but they were between .6 and .7" at 100 and there was no noticable change in recoil or sound report. And neck tension wasn't an issue, I used the redding competition neck sizer and and rechecked the ID (they measured at .282 before I reloaded the brass. At first I thought I was getting pretty low velocities but after looking at hodgdons website I was just a little slow maybe 50 fps to what there info says for the 140 nosler partitions. Also the chrono was a new competition electronics prochrono digital, so the batteries were freash as well. I was hoping to get 3100-3200 is that realistic in a 7 rem mag with a 24" using 140 berger vlds? I saw that someone had posted they were getting a little over 3200 with an stw and 85 gr of h1000 so maybe Im not not far off of where I should be. I didnt realize that the chrono could throw that far off a number. I got errors earlier and everything else seemed to read clean so I figured it would throw an error if it had a problem reading. The other thing that made me doubt that the chrono could be throwing errors was that it read the strings consistant, I figured if it was reading poorly the numbers would be all over and not close but in the 2000 and 2220 but Im learning so thanks for the info that the chrono can be flakey even if it appears to be functioning correctly. [/QUOTE]
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7 mag reloading conundrum?
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