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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
SHERMAN MEGA LINE
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<blockquote data-quote="elkaholic" data-source="post: 2292224" data-attributes="member: 13833"><p>Update on the 7 MEGA:</p><p>I havent shot for a while now but wanted to get the MEGA ready for elk season. I had good results at 100 yards around 3170' with a 175 EH so wanted to run a ladder to see where I really was.</p><p>I was using formed wsm brass so my necks were about .070" too short but until I get brass, its the best ive got.</p><p>I loaded up 6 loads of N570, 2 each, from 73.8 to 75.3 in .3 grain increments. I found a spot at 357 yards on an old logging road where I could use my bipod and a shot bag rest and went to work.</p><p>I have no idea what the first 2 shots were all about but chalked it up as an anomaly for now. My shooting position was a little sketchy so could have been that? You can easily see the major jump from 74.4 to 74.7 with 2 distinct nodes. I havent done a Satterlee yet but earlier chrono data puts me at 3170 high and at 3100 low.</p><p>4 of the 6 shots went into .14" moa so pretty encouraging especially at those speeds. I have 6 firings now on that brass and primer pockets are nice and tight!</p><p>No pressure signs at 3170. No heavy bolt, extractor marks, etc. The highest I ran earlier was 3211' with nothing there either but it has to be about there!</p><p> Actually, more than I hoped for!</p><p>Testing on the 300 has not started, but soon, and the 338 ran into some build issues, so nothing there either. I think this 7 is going to be a real eye opener and I have reamers for both the LA and Medium length versions</p></blockquote><p></p>
[QUOTE="elkaholic, post: 2292224, member: 13833"] Update on the 7 MEGA: I havent shot for a while now but wanted to get the MEGA ready for elk season. I had good results at 100 yards around 3170' with a 175 EH so wanted to run a ladder to see where I really was. I was using formed wsm brass so my necks were about .070" too short but until I get brass, its the best ive got. I loaded up 6 loads of N570, 2 each, from 73.8 to 75.3 in .3 grain increments. I found a spot at 357 yards on an old logging road where I could use my bipod and a shot bag rest and went to work. I have no idea what the first 2 shots were all about but chalked it up as an anomaly for now. My shooting position was a little sketchy so could have been that? You can easily see the major jump from 74.4 to 74.7 with 2 distinct nodes. I havent done a Satterlee yet but earlier chrono data puts me at 3170 high and at 3100 low. 4 of the 6 shots went into .14" moa so pretty encouraging especially at those speeds. I have 6 firings now on that brass and primer pockets are nice and tight! No pressure signs at 3170. No heavy bolt, extractor marks, etc. The highest I ran earlier was 3211' with nothing there either but it has to be about there! Actually, more than I hoped for! Testing on the 300 has not started, but soon, and the 338 ran into some build issues, so nothing there either. I think this 7 is going to be a real eye opener and I have reamers for both the LA and Medium length versions [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
SHERMAN MEGA LINE
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