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Rifles, Reloading, Optics, Equipment
Equipment Discussions
browningA-Bolt .7WSM
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<blockquote data-quote="kraky" data-source="post: 133173" data-attributes="member: 180"><p>I did some research and loading for a friend this fall. We went to the "short mags"website and looked at loads. We compared them to our quickload program and found that alot of them looked pretty mild. We also found that Quickload says that the case capacity diff between a 7mm rem mag and the 7 wsm is only 1/2 grain!! Bottom line is that virtually any data that is good in the 7 mag is going to work in the 7 wsm. I guess to be on the slightly safe side I would step back one "step" when using 7 mag data. I found when posting and others replied that quickload was right on the money with it's velocity and pressure predictions.</p><p>Anyhow he had a browning autoloader and I've liked 4350 as a balance between fast and slow in a autoloader. Hodgdon's website said 57.5 under a 154/160 class bullet was max so we started at 56.0 even thought quickload predicted a very slow 2665 fps. We tried 4 different bullets at that load and they clocked just 2675 but they were wonderfully accurate. 2 of the 4 loads were doing 3/4" and all bullets went to the same point of impact. The bullets that seemed to shoot the best were the hornady 154 flat base and the 160 accubond. (BTW in my hornady manual for 7 mag it says that load should do 2700 fps....more proof of how these two rounds mirror ea other).</p><p>He wound up using the 160 accubonds (cause they looked cooler) for whitetail hunting. He got a doe. Even at that slow speed the bullet hit a little forward of where he was aiming and caught the leg bone on the way in.....it left about a 4" hole on the way out. YIKES.</p></blockquote><p></p>
[QUOTE="kraky, post: 133173, member: 180"] I did some research and loading for a friend this fall. We went to the "short mags"website and looked at loads. We compared them to our quickload program and found that alot of them looked pretty mild. We also found that Quickload says that the case capacity diff between a 7mm rem mag and the 7 wsm is only 1/2 grain!! Bottom line is that virtually any data that is good in the 7 mag is going to work in the 7 wsm. I guess to be on the slightly safe side I would step back one "step" when using 7 mag data. I found when posting and others replied that quickload was right on the money with it's velocity and pressure predictions. Anyhow he had a browning autoloader and I've liked 4350 as a balance between fast and slow in a autoloader. Hodgdon's website said 57.5 under a 154/160 class bullet was max so we started at 56.0 even thought quickload predicted a very slow 2665 fps. We tried 4 different bullets at that load and they clocked just 2675 but they were wonderfully accurate. 2 of the 4 loads were doing 3/4" and all bullets went to the same point of impact. The bullets that seemed to shoot the best were the hornady 154 flat base and the 160 accubond. (BTW in my hornady manual for 7 mag it says that load should do 2700 fps....more proof of how these two rounds mirror ea other). He wound up using the 160 accubonds (cause they looked cooler) for whitetail hunting. He got a doe. Even at that slow speed the bullet hit a little forward of where he was aiming and caught the leg bone on the way in.....it left about a 4" hole on the way out. YIKES. [/QUOTE]
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