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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
280ai vs 7mm rem mag?
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<blockquote data-quote="lancetkenyon" data-source="post: 1431587" data-attributes="member: 68875"><p>A little real world experience in velocities between the two. I own both, and love both. Both have 26" barrels.</p><p></p><p>These are my hunting loads:</p><p>.280AI 1:9": 175 Berger Elite Hunter @ 2975fps over RL23. Hot load, right at the top end just before pressure. I also have a light load in a 160 TMK over H1000 @ 2900 for recreational shooting and varmint hunting.</p><p></p><p>7RM 1:8.5": 180 Hybrid @ 3080fps over RL26. This is a newer load, as my old load was a measly 2996fps over H1000. But ridiculously accurate. I took a bull elk @ 662 yards with the slow load last year. I could just have easily used my .280AI, but it was my goal to use the 7RM to take my bull. My late father-in-law asked me to rebuild it and kill an elk with it. We hunted together for 25 years, and he never took an elk with it. My 14 year old daughter was actually the first one ever to kill an elk with it the fall before.</p><p></p><p>I have loaded for 10-12 different 7RM. From 160s to 183s. All between 2950 to 3150+. The most recent one (still in development) is pushing the 175 Berger Elite Hunter @ 3070 over H1000 with no signs of pressure at all, and into the low .2s. H1000 is just super accurate, clean burning, and temp stable. Hard to beat in a hunting rifle.</p><p></p><p>I have loaded for 3 other .280AIs. From 140s to 180s. None were even CLOSE to the QL prediction as stated above with 26" barrels. 160s generally get mid 2900-3000s when run fairly hot but still safely. But I have never tried RL26 in any of them. RL23 is what seems to work best in the rifles I have loaded for. Even H1000 works amazingly. Albeit at slower speeds. But accuracy and stability are second to none. Which is still plenty to kill elk a long ways out.</p><p></p><p>To me, it is a no-brainer. If you have a standard face LA already, do the .280AI. Build it a bit lighter, and shoot some elk and moose with it. You will really only lose about 150-200 yards if you maintain a limit of 1800fps or 1500ft/lbs on target as your personal criteria. But that would still be 850ish for the .280AI vs. 1000ish for the 7RM.</p></blockquote><p></p>
[QUOTE="lancetkenyon, post: 1431587, member: 68875"] A little real world experience in velocities between the two. I own both, and love both. Both have 26" barrels. These are my hunting loads: .280AI 1:9": 175 Berger Elite Hunter @ 2975fps over RL23. Hot load, right at the top end just before pressure. I also have a light load in a 160 TMK over H1000 @ 2900 for recreational shooting and varmint hunting. 7RM 1:8.5": 180 Hybrid @ 3080fps over RL26. This is a newer load, as my old load was a measly 2996fps over H1000. But ridiculously accurate. I took a bull elk @ 662 yards with the slow load last year. I could just have easily used my .280AI, but it was my goal to use the 7RM to take my bull. My late father-in-law asked me to rebuild it and kill an elk with it. We hunted together for 25 years, and he never took an elk with it. My 14 year old daughter was actually the first one ever to kill an elk with it the fall before. I have loaded for 10-12 different 7RM. From 160s to 183s. All between 2950 to 3150+. The most recent one (still in development) is pushing the 175 Berger Elite Hunter @ 3070 over H1000 with no signs of pressure at all, and into the low .2s. H1000 is just super accurate, clean burning, and temp stable. Hard to beat in a hunting rifle. I have loaded for 3 other .280AIs. From 140s to 180s. None were even CLOSE to the QL prediction as stated above with 26" barrels. 160s generally get mid 2900-3000s when run fairly hot but still safely. But I have never tried RL26 in any of them. RL23 is what seems to work best in the rifles I have loaded for. Even H1000 works amazingly. Albeit at slower speeds. But accuracy and stability are second to none. Which is still plenty to kill elk a long ways out. To me, it is a no-brainer. If you have a standard face LA already, do the .280AI. Build it a bit lighter, and shoot some elk and moose with it. You will really only lose about 150-200 yards if you maintain a limit of 1800fps or 1500ft/lbs on target as your personal criteria. But that would still be 850ish for the .280AI vs. 1000ish for the 7RM. [/QUOTE]
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