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Hunting
Long Range Hunting & Shooting
7mm vs 300 wm.
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<blockquote data-quote="jakes10mm" data-source="post: 640934" data-attributes="member: 28011"><p>I ran the numbers on the Big Game Info Ballistic Calculator and came up with some difference numbers. First, why would you zero at 100yds? Using the MPBR suggested zero range provides much better numbers downrange. Using the same numbers for bullet gr, BC & velocity these numbers came up:</p><p></p><p>temp 59, alt 1000</p><p></p><p>7mm Rem Mag (range - drop - energy) Drift @ 1000yds = 72.1"</p><p>100 - 200 - 300 - 400 - 500 - 600 - 700 - 800 - 900 - 1000</p><p>2.6-1.9-(4.2)-(16.4)-(35.6)-(62.6)-(98.6)-(144.9)-(203.0)-(274.7)</p><p>2891-2567-2274-2009-1768-1549-1353-1179-1025-889</p><p></p><p>300 Win Mag (range - drop - energy) Drift @ 100 yds = 62.9"</p><p>100 - 200 - 300 - 400 - 500 - 600 - 700 - 800 - 900 - 1000</p><p>2.6-2.0-(4.0)-(15.8)-(34.2)-(60.0)-(94.1)-(137.6)-(191.6)-(257.7)</p><p>3411-3067-2751-2462-2197-1955-1734-1534-1354-1192</p><p></p><p>Power downrange goes to the 300wm...but so does the recoil. If 889 ft-lbs is sufficient for your target at 1000yds, then the 7mm is definite,y a more comfortable option. We can through numbers back and forth, but the intended use drives the choice in my opinion. </p><p></p><p>I was debating a long range Elk rifle for an out west trip. I was advised by many on the virtues of the flat shooting 7mm Rem Mag. I went through the numbers over and over and bought a 300WM.</p></blockquote><p></p>
[QUOTE="jakes10mm, post: 640934, member: 28011"] I ran the numbers on the Big Game Info Ballistic Calculator and came up with some difference numbers. First, why would you zero at 100yds? Using the MPBR suggested zero range provides much better numbers downrange. Using the same numbers for bullet gr, BC & velocity these numbers came up: temp 59, alt 1000 7mm Rem Mag (range - drop - energy) Drift @ 1000yds = 72.1" 100 - 200 - 300 - 400 - 500 - 600 - 700 - 800 - 900 - 1000 2.6-1.9-(4.2)-(16.4)-(35.6)-(62.6)-(98.6)-(144.9)-(203.0)-(274.7) 2891-2567-2274-2009-1768-1549-1353-1179-1025-889 300 Win Mag (range - drop - energy) Drift @ 100 yds = 62.9" 100 - 200 - 300 - 400 - 500 - 600 - 700 - 800 - 900 - 1000 2.6-2.0-(4.0)-(15.8)-(34.2)-(60.0)-(94.1)-(137.6)-(191.6)-(257.7) 3411-3067-2751-2462-2197-1955-1734-1534-1354-1192 Power downrange goes to the 300wm...but so does the recoil. If 889 ft-lbs is sufficient for your target at 1000yds, then the 7mm is definite,y a more comfortable option. We can through numbers back and forth, but the intended use drives the choice in my opinion. I was debating a long range Elk rifle for an out west trip. I was advised by many on the virtues of the flat shooting 7mm Rem Mag. I went through the numbers over and over and bought a 300WM. [/QUOTE]
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