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Long Range Hunting & Shooting
270WSM vs 280AI vs 7mmRM
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<blockquote data-quote="budlight" data-source="post: 482783" data-attributes="member: 2939"><p>The 277 cal is a wonderful bullet with decent ballistic Coeficient on the 150 SPBTS. Chronos DON'T lie and most reloading books give some generous speeds. Your off the shelf 7 mag is not all it's cracked up to be with a 24 inch. Your 270 WSM could really take advantage of something like a 28 inch Pac-Nor or one of the other barrels. </p><p></p><p>The wildcat 169.5 were not the answer. I did not get enough and no BC data on the bullets. I only got 100 of them about 5 years ago before "wildcat bullets" shut down so testing was minimal. I did my best guesses on the powder and then actually bumped it up a bit. I also don't believe that my 1-10 rifling is correct for such a long bullet. I zeroed it in on 200 yards at the range and shot a .622 three shot and called it good. I really wanted to see what one of the 169.5's (.277) would do on a deer at 600 yards. But as luck would have it was another sub 100 yard kicked the buck out of his bed base of the neck shot. It was a pass through shot with the deer missing about two neck vertebra.</p><p></p><p>the .277 could have become a great round if it got the following of the 6 or 6.5 mm. </p><p></p><p></p><p>169.5 gr wildcats compared to my home moly coated 150 Speer SPBT</p><p></p><p><img src="http://www.corvetteforum.net/c3/gkull/170gr.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="budlight, post: 482783, member: 2939"] The 277 cal is a wonderful bullet with decent ballistic Coeficient on the 150 SPBTS. Chronos DON'T lie and most reloading books give some generous speeds. Your off the shelf 7 mag is not all it's cracked up to be with a 24 inch. Your 270 WSM could really take advantage of something like a 28 inch Pac-Nor or one of the other barrels. The wildcat 169.5 were not the answer. I did not get enough and no BC data on the bullets. I only got 100 of them about 5 years ago before "wildcat bullets" shut down so testing was minimal. I did my best guesses on the powder and then actually bumped it up a bit. I also don't believe that my 1-10 rifling is correct for such a long bullet. I zeroed it in on 200 yards at the range and shot a .622 three shot and called it good. I really wanted to see what one of the 169.5's (.277) would do on a deer at 600 yards. But as luck would have it was another sub 100 yard kicked the buck out of his bed base of the neck shot. It was a pass through shot with the deer missing about two neck vertebra. the .277 could have become a great round if it got the following of the 6 or 6.5 mm. 169.5 gr wildcats compared to my home moly coated 150 Speer SPBT [img]http://www.corvetteforum.net/c3/gkull/170gr.jpg[/img] [/QUOTE]
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270WSM vs 280AI vs 7mmRM
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