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Hunting
Long Range Hunting & Shooting
7mm AM WC872 and temp sensitivity?
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<blockquote data-quote="esshup" data-source="post: 919745" data-attributes="member: 11101"><p>BB, I'm not married to WC872. What powder should I try? I have shot the 175g SMK, and 109/110 was max load depending on whether it was above or below 75°F out. 109 in 80°F was hitting 3495 fps. 110 was 3550 fps, any more powder and I was seeing a shiny spot on the head. Maybe the 16# that I bought was a fast lot?</p><p> </p><p>BUT, after around 200 rounds down the tube, the 175g SMK's were vaporizing at 40-50 yds. @ 3490 fps Accuracy wasn't there at slower speeds, that's why I went to the 180 Bergers. I have some 200g WIldcat bullets, but haven't been able to figure out an accurate load with them yet.</p></blockquote><p></p>
[QUOTE="esshup, post: 919745, member: 11101"] BB, I'm not married to WC872. What powder should I try? I have shot the 175g SMK, and 109/110 was max load depending on whether it was above or below 75°F out. 109 in 80°F was hitting 3495 fps. 110 was 3550 fps, any more powder and I was seeing a shiny spot on the head. Maybe the 16# that I bought was a fast lot? BUT, after around 200 rounds down the tube, the 175g SMK's were vaporizing at 40-50 yds. @ 3490 fps Accuracy wasn't there at slower speeds, that's why I went to the 180 Bergers. I have some 200g WIldcat bullets, but haven't been able to figure out an accurate load with them yet. [/QUOTE]
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7mm AM WC872 and temp sensitivity?
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