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Rifles, Reloading, Optics, Equipment
Reloading
7mm loads 160 gr accubond and 162 A max
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<blockquote data-quote="Mike6158" data-source="post: 345917" data-attributes="member: 1039"><p>I'm still in the process of running ladder tests for my 7mm Rem Mag Sendero. I have yet to get a good ES values from the combination's that I've tried and the book (Sierra Loading Manual) velocity's are about 100 fps below what I'm seeing on the chronograph. Bullet drop at 800 yards seems to back up the chronograph data.</p><p></p><p>I have 15 rounds loaded for the next ladder test. 3 groups of 5 loaded the same. The bullet is a Berger 168 gr. VLD. Remington 9-1/2M primer (because that's all I've found. I would prefer Federal 215M or CCI 250). Test range will be at 300 yards.</p><p></p><p>Charges of Reloader 22 are:</p><p></p><p>64.6 gr</p><p>65.7 gr</p><p>66.8 gr</p><p></p><p>I worked up to 64.6 gr with a previous test and have sub MOA groups at 600 yards but ES values are still pretty high and grouping is inconsistent so the search continues. If 65.7 gives me 2,950 fps like I estimate that it will I expect it to have the best ES values... but one never knows. That's why we test. 66.8 gr is almost 90% case full (to the neck) so even if I don't have pressure problems that's all I will load to with this powder</p><p></p><p>I will test H-1000 after this test.</p><p></p><p>I would not take my numbers and bang away with them. I seat .025 off of the lands and each rifle it's own characteristics so use caution when taking advice from the internet.</p></blockquote><p></p>
[QUOTE="Mike6158, post: 345917, member: 1039"] I'm still in the process of running ladder tests for my 7mm Rem Mag Sendero. I have yet to get a good ES values from the combination's that I've tried and the book (Sierra Loading Manual) velocity's are about 100 fps below what I'm seeing on the chronograph. Bullet drop at 800 yards seems to back up the chronograph data. I have 15 rounds loaded for the next ladder test. 3 groups of 5 loaded the same. The bullet is a Berger 168 gr. VLD. Remington 9-1/2M primer (because that's all I've found. I would prefer Federal 215M or CCI 250). Test range will be at 300 yards. Charges of Reloader 22 are: 64.6 gr 65.7 gr 66.8 gr I worked up to 64.6 gr with a previous test and have sub MOA groups at 600 yards but ES values are still pretty high and grouping is inconsistent so the search continues. If 65.7 gives me 2,950 fps like I estimate that it will I expect it to have the best ES values... but one never knows. That's why we test. 66.8 gr is almost 90% case full (to the neck) so even if I don't have pressure problems that's all I will load to with this powder I will test H-1000 after this test. I would not take my numbers and bang away with them. I seat .025 off of the lands and each rifle it's own characteristics so use caution when taking advice from the internet. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
7mm loads 160 gr accubond and 162 A max
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