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Rifles, Reloading, Optics, Equipment
Reloading
Anyone able to get any 7mm Cartridge to 3300/160 or 3200/175gr?
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<blockquote data-quote="Lefty7mmstw" data-source="post: 3035432" data-attributes="member: 48043"><p>Sorry, but you aren't going to maximize your velocity and stay at 62 Kpsi... That's actually a rather mild pressure for what some of the guys on this thread are talking about. I had a strain gauge on my Sendero 7mmstw. It was a bit of an eye opening experience. Loads that were running 70 Kpsi still functioned well and you had to go above that to even get an extractor mark. The Winchester 150 grain load was hitting 70 Kpsi+ in my rifle and only hit 3300 fps with a 150.</p><p>I'm running my current 7mmstw at 3350 fps with a 140ab and my current 7rum at 2900 fps with a 175 eld-x. Could I go faster; sure. I am getting good accuracy where I am though and it doesn't beat things up. If I need more thump, I'll go up in bore diameter.</p></blockquote><p></p>
[QUOTE="Lefty7mmstw, post: 3035432, member: 48043"] Sorry, but you aren't going to maximize your velocity and stay at 62 Kpsi... That's actually a rather mild pressure for what some of the guys on this thread are talking about. I had a strain gauge on my Sendero 7mmstw. It was a bit of an eye opening experience. Loads that were running 70 Kpsi still functioned well and you had to go above that to even get an extractor mark. The Winchester 150 grain load was hitting 70 Kpsi+ in my rifle and only hit 3300 fps with a 150. I'm running my current 7mmstw at 3350 fps with a 140ab and my current 7rum at 2900 fps with a 175 eld-x. Could I go faster; sure. I am getting good accuracy where I am though and it doesn't beat things up. If I need more thump, I'll go up in bore diameter. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Anyone able to get any 7mm Cartridge to 3300/160 or 3200/175gr?
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