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Suggestions for varmint rifle project
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<blockquote data-quote="waha" data-source="post: 119449" data-attributes="member: 6252"><p>Here is the data on the 243 load with the 55 grain BT. At 1,000 yards it is still going 1,389 FPS with 236 FP on energy with a 226 inch drop. </p><p>The 90 Grain Berger Match BT with a high BC does beat the 55 but not much. At 1000 Yards the velocity is 1389 FPS energy 236 fpds with a drop of 226.73. Obviously the wind drift is less with the bigger bullet and that is why I carry both bullets and they shoot very close from 100 to 1,000 yards. </p><p> The varmints I hunt don't take 1,000 Pounds of energy to kill. The 17HMR has 250 pounds of energy at muzzle! The 22 LR has 100 +_ depending on load. I hunt coyotes a lot and any bigger bullet has a tendancy to rip a gaping hole in the hide. Also the recoil of the little 55 doesn't beat you up as bad if you are shooting a few hundred rounds at a sitting. The recoil of 90-100 grainers really get you after a while. </p><p></p><p></p><p>243 55 grain BT at 4,000 FPS</p><p></p><p>Range Speed Energy Drop Path</p><p>[yards] [fps] [ft.lb] [inches] [inches]</p><p></p><p>500 2526 779 37.10 -19.90 </p><p>550 2397 702 46.55 -27.48 </p><p>600 2271 630 57.52 -36.58 </p><p>650 2149 564 70.17 -47.35 </p><p>700 2030 503 84.69 -60.01 </p><p>750 1915 448 101.33 -74.77 </p><p>800 1803 397 120.32 -91.90 </p><p>850 1694 351 141.98 -111.69 </p><p>900 1589 308 166.65 -134.49 </p><p>950 1487 270 194.74 -160.71 </p><p>1000 1389 236 226.73 -190.83 </p><p></p><p></p><p></p><p>90 Grain Berger Match BT at 3,000 FPS BC of .398</p><p></p><p>Range Speed Energy Drop Path</p><p>[yards] [fps] [ft.lb] [inches] [inches]</p><p></p><p></p><p>500 2106 886 61.31 -32.78 </p><p>550 2025 820 76.21 -44.68 </p><p>600 1946 757 93.23 -58.69 </p><p>650 1869 698 112.54 -75.00 </p><p>700 1793 642 134.35 -93.81 </p><p>750 1718 590 158.86 -115.32 </p><p>800 1646 541 186.32 -139.77 </p><p>850 1574 495 216.99 -167.44 </p><p>900 1505 452 251.17 -198.62 </p><p>950 1437 412 289.20 -233.65 </p><p>1000 1370 375 331.45 -272.90</p></blockquote><p></p>
[QUOTE="waha, post: 119449, member: 6252"] Here is the data on the 243 load with the 55 grain BT. At 1,000 yards it is still going 1,389 FPS with 236 FP on energy with a 226 inch drop. The 90 Grain Berger Match BT with a high BC does beat the 55 but not much. At 1000 Yards the velocity is 1389 FPS energy 236 fpds with a drop of 226.73. Obviously the wind drift is less with the bigger bullet and that is why I carry both bullets and they shoot very close from 100 to 1,000 yards. The varmints I hunt don't take 1,000 Pounds of energy to kill. The 17HMR has 250 pounds of energy at muzzle! The 22 LR has 100 +_ depending on load. I hunt coyotes a lot and any bigger bullet has a tendancy to rip a gaping hole in the hide. Also the recoil of the little 55 doesn't beat you up as bad if you are shooting a few hundred rounds at a sitting. The recoil of 90-100 grainers really get you after a while. 243 55 grain BT at 4,000 FPS Range Speed Energy Drop Path [yards] [fps] [ft.lb] [inches] [inches] 500 2526 779 37.10 -19.90 550 2397 702 46.55 -27.48 600 2271 630 57.52 -36.58 650 2149 564 70.17 -47.35 700 2030 503 84.69 -60.01 750 1915 448 101.33 -74.77 800 1803 397 120.32 -91.90 850 1694 351 141.98 -111.69 900 1589 308 166.65 -134.49 950 1487 270 194.74 -160.71 1000 1389 236 226.73 -190.83 90 Grain Berger Match BT at 3,000 FPS BC of .398 Range Speed Energy Drop Path [yards] [fps] [ft.lb] [inches] [inches] 500 2106 886 61.31 -32.78 550 2025 820 76.21 -44.68 600 1946 757 93.23 -58.69 650 1869 698 112.54 -75.00 700 1793 642 134.35 -93.81 750 1718 590 158.86 -115.32 800 1646 541 186.32 -139.77 850 1574 495 216.99 -167.44 900 1505 452 251.17 -198.62 950 1437 412 289.20 -233.65 1000 1370 375 331.45 -272.90 [/QUOTE]
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