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Long Range Hunting & Shooting
.264 Win Mag vs. 7mm Mag
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<blockquote data-quote="Firecat" data-source="post: 493231" data-attributes="member: 22600"><p>LTLR, here are two loads from JBM Ballistics. The first is for a .264 Win Mag and the second is for a 7mm Rem Mag. This is about as close to apples to apples in my mind as you can get. What is interesting is that the .264 does indeed have 7.4 inches less drop at 1000 yards. However, a Key piece of information that I feel is being overlooked when the .264 is so heavily favored is the remaining energy at 1000 yards. The 7mm Rem Mag has 195.7 Ft Lbs more energy. Now I realize that energy is not the only thing that helps to make a clean kill, however it is important. The .264 is estimated with a 140 grain Berger VLD doing 3100 fps. The 7mm is estimated with a 168 grain Berger VLD doing 3050 which are realistic estimates from my experience. Some rifles will vary and I understand that based on barrel material, length, twist, etc. Is there anything that I may have overlooked that would be critical? I hope to learn where I can and do not profess to know everything. Just the angle I am looking from.</p><p></p><p>.264 Win Mag</p><p><span style="font-size: 9px">Manufacturer: Berger Description: VLD (Litz)</span></p><p><span style="font-size: 9px">Caliber: 0.264 in Weight: 140.0 gr</span></p><p><span style="font-size: 9px">Muzzle Velocity: 3100.0 ft/s </span></p><p><span style="font-size: 9px">Sight Height: 1.50 in Line Of Sight Angle: 0.0 deg</span></p><p><span style="font-size: 9px">Cant Angle: 0.0 deg </span></p><p><span style="font-size: 9px">Wind Speed: 10.0 mph Target Speed: 0.0 mph</span></p><p><span style="font-size: 9px">Temperature: 30.0 °F Pressure: 29.92 in Hg</span></p><p><span style="font-size: 9px">Humidity: 30.0 % Altitude: 7000.0 ft</span></p><p><span style="font-size: 9px">Std. Atmosphere at Altitude: No Pressure is Corrected: Yes</span></p><p><span style="font-size: 9px">Zero at Max. Point Blank Range: No Target Relative Drops: Yes</span></p><p><span style="font-size: 9px">Column 1 Units: 1.00 in Column 2 Units: 1.00 MOA</span></p><p><span style="font-size: 9px">Round Output to Whole Numbers: No </span></p><p><span style="font-size: 9px">Output Data</span></p><p><span style="font-size: 9px">Elevation: 3.207 MOA Windage: 0.000 MOA</span></p><p><span style="font-size: 9px">Atmospheric Density: 0.06245 lb/ft³ Speed of Sound: 1084.8 ft/s</span></p><p><span style="font-size: 9px">Maximum PBR: 391 yd Maximum PBR Zero: 331 yd</span></p><p><span style="font-size: 9px">Range of Maximum Height: 180 yd Energy at Maximum PBR: 2136.8 ft•lbs</span></p><p><span style="font-size: 9px">Sectional Density: 0.287 lb/in² </span></p><p><span style="font-size: 9px">Calculated Table</span></p><p><span style="font-size: 9px">Range Drop Drop Windage Windage Velocity Mach Energy Time Lead Lead</span></p><p><span style="font-size: 9px">(yd) (in) (MOA) (in) (MOA) (ft/s) (none) (ft•lbs) (s) (in) (MOA)</span></p><p><span style="font-size: 9px">100 -0.0 -0.0 0.4 0.3 2974.4 2.742 2749.8 0.099 0.0 0.0</span></p><p><span style="font-size: 9px">200 -2.4 -1.2 1.5 0.7 2851.0 2.628 2526.3 0.202 0.0 0.0</span></p><p><span style="font-size: 9px">300 -9.1 -2.9 3.3 1.1 2729.9 2.517 2316.3 0.309 0.0 0.0</span></p><p><span style="font-size: 9px">400 -20.5 -4.9 6.1 1.5 2611.5 2.407 2119.7 0.422 0.0 0.0</span></p><p><span style="font-size: 9px">500 -37.0 -7.1 9.7 1.9 2495.7 2.301 1936.0 0.539 0.0 0.0</span></p><p><span style="font-size: 9px">600 -59.0 -9.4 14.4 2.3 2382.9 2.197 1764.8 0.662 0.0 0.0</span></p><p><span style="font-size: 9px">700 -87.2 -11.9 20.0 2.7 2272.9 2.095 1605.7 0.791 0.0 0.0</span></p><p><span style="font-size: 9px">800 -122.1 -14.6 26.8 3.2 2166.0 1.997 1458.1 0.926 0.0 0.0</span></p><p><span style="font-size: 9px">900 -164.5 -17.5 34.7 3.7 2062.1 1.901 1321.6 1.068 0.0 0.0</span></p><p><span style="font-size: 9px">1000 -215.0 -20.5 44.0 4.2 1961.2 1.808 1195.5 1.218 0.0 0.0</span></p><p><span style="font-size: 9px"></span></p><p></p><p></p><p>7mm Rem Mag</p><p><span style="font-size: 9px">Manufacturer: Berger Description: VLD (Litz)</span></p><p><span style="font-size: 9px">Caliber: 0.284 in Weight: 168.0 gr</span></p><p><span style="font-size: 9px">Muzzle Velocity: 3050.0 ft/s </span></p><p><span style="font-size: 9px">Sight Height: 1.50 in Line Of Sight Angle: 0.0 deg</span></p><p><span style="font-size: 9px">Cant Angle: 0.0 deg </span></p><p><span style="font-size: 9px">Wind Speed: 10.0 mph Target Speed: 0.0 mph</span></p><p><span style="font-size: 9px">Temperature: 30.0 °F Pressure: 29.92 in Hg</span></p><p><span style="font-size: 9px">Humidity: 30.0 % Altitude: 7000.0 ft</span></p><p><span style="font-size: 9px">Std. Atmosphere at Altitude: No Pressure is Corrected: Yes</span></p><p><span style="font-size: 9px">Zero at Max. Point Blank Range: No Target Relative Drops: Yes</span></p><p><span style="font-size: 9px">Column 1 Units: 1.00 in Column 2 Units: 1.00 MOA</span></p><p><span style="font-size: 9px">Round Output to Whole Numbers: No </span></p><p><span style="font-size: 9px">Output Data</span></p><p><span style="font-size: 9px">Elevation: 3.266 MOA Windage: 0.000 MOA</span></p><p><span style="font-size: 9px">Atmospheric Density: 0.06245 lb/ft³ Speed of Sound: 1084.8 ft/s</span></p><p><span style="font-size: 9px">Maximum PBR: 386 yd Maximum PBR Zero: 326 yd</span></p><p><span style="font-size: 9px">Range of Maximum Height: 178 yd Energy at Maximum PBR: 2493.8 ft•lbs</span></p><p><span style="font-size: 9px">Sectional Density: 0.298 lb/in² </span></p><p><span style="font-size: 9px">Calculated Table</span></p><p><span style="font-size: 9px">Range Drop Drop Windage Windage Velocity Mach Energy Time Lead Lead</span></p><p><span style="font-size: 9px">(yd) (in) (MOA) (in) (MOA) (ft/s) (none) (ft•lbs) (s) (in) (MOA)</span></p><p><span style="font-size: 9px">100 -0.0 -0.0 0.4 0.3 2926.4 2.698 3194.1 0.100 0.0 0.0</span></p><p><span style="font-size: 9px">200 -2.6 -1.2 1.5 0.7 2805.0 2.586 2934.6 0.205 0.0 0.0</span></p><p><span style="font-size: 9px">300 -9.5 -3.0 3.4 1.1 2686.1 2.476 2691.0 0.314 0.0 0.0</span></p><p><span style="font-size: 9px">400 -21.3 -5.1 6.2 1.5 2569.7 2.369 2462.8 0.429 0.0 0.0</span></p><p><span style="font-size: 9px">500 -38.4 -7.3 9.9 1.9 2456.0 2.264 2249.8 0.548 0.0 0.0</span></p><p><span style="font-size: 9px">600 -61.2 -9.7 14.6 2.3 2345.2 2.162 2051.4 0.673 0.0 0.0</span></p><p><span style="font-size: 9px">700 -90.4 -12.3 20.3 2.8 2237.3 2.062 1866.9 0.804 0.0 0.0</span></p><p><span style="font-size: 9px">800 -126.5 -15.1 27.2 3.2 2132.4 1.966 1695.9 0.941 0.0 0.0</span></p><p><span style="font-size: 9px">900 -170.3 -18.1 35.3 3.7 2030.4 1.872 1537.6 1.086 0.0 0.0</span></p><p><span style="font-size: 9px">1000 -222.4 -21.2 44.6 4.3 1931.3 1.780 1391.2 1.237 0.0 0.0</span></p><p><span style="font-size: 9px"></span></p></blockquote><p></p>
[QUOTE="Firecat, post: 493231, member: 22600"] LTLR, here are two loads from JBM Ballistics. The first is for a .264 Win Mag and the second is for a 7mm Rem Mag. This is about as close to apples to apples in my mind as you can get. What is interesting is that the .264 does indeed have 7.4 inches less drop at 1000 yards. However, a Key piece of information that I feel is being overlooked when the .264 is so heavily favored is the remaining energy at 1000 yards. The 7mm Rem Mag has 195.7 Ft Lbs more energy. Now I realize that energy is not the only thing that helps to make a clean kill, however it is important. The .264 is estimated with a 140 grain Berger VLD doing 3100 fps. The 7mm is estimated with a 168 grain Berger VLD doing 3050 which are realistic estimates from my experience. Some rifles will vary and I understand that based on barrel material, length, twist, etc. Is there anything that I may have overlooked that would be critical? I hope to learn where I can and do not profess to know everything. Just the angle I am looking from. .264 Win Mag [SIZE="1"]Manufacturer: Berger Description: VLD (Litz) Caliber: 0.264 in Weight: 140.0 gr Muzzle Velocity: 3100.0 ft/s Sight Height: 1.50 in Line Of Sight Angle: 0.0 deg Cant Angle: 0.0 deg Wind Speed: 10.0 mph Target Speed: 0.0 mph Temperature: 30.0 °F Pressure: 29.92 in Hg Humidity: 30.0 % Altitude: 7000.0 ft Std. Atmosphere at Altitude: No Pressure is Corrected: Yes Zero at Max. Point Blank Range: No Target Relative Drops: Yes Column 1 Units: 1.00 in Column 2 Units: 1.00 MOA Round Output to Whole Numbers: No Output Data Elevation: 3.207 MOA Windage: 0.000 MOA Atmospheric Density: 0.06245 lb/ft³ Speed of Sound: 1084.8 ft/s Maximum PBR: 391 yd Maximum PBR Zero: 331 yd Range of Maximum Height: 180 yd Energy at Maximum PBR: 2136.8 ft•lbs Sectional Density: 0.287 lb/in² Calculated Table Range Drop Drop Windage Windage Velocity Mach Energy Time Lead Lead (yd) (in) (MOA) (in) (MOA) (ft/s) (none) (ft•lbs) (s) (in) (MOA) 100 -0.0 -0.0 0.4 0.3 2974.4 2.742 2749.8 0.099 0.0 0.0 200 -2.4 -1.2 1.5 0.7 2851.0 2.628 2526.3 0.202 0.0 0.0 300 -9.1 -2.9 3.3 1.1 2729.9 2.517 2316.3 0.309 0.0 0.0 400 -20.5 -4.9 6.1 1.5 2611.5 2.407 2119.7 0.422 0.0 0.0 500 -37.0 -7.1 9.7 1.9 2495.7 2.301 1936.0 0.539 0.0 0.0 600 -59.0 -9.4 14.4 2.3 2382.9 2.197 1764.8 0.662 0.0 0.0 700 -87.2 -11.9 20.0 2.7 2272.9 2.095 1605.7 0.791 0.0 0.0 800 -122.1 -14.6 26.8 3.2 2166.0 1.997 1458.1 0.926 0.0 0.0 900 -164.5 -17.5 34.7 3.7 2062.1 1.901 1321.6 1.068 0.0 0.0 1000 -215.0 -20.5 44.0 4.2 1961.2 1.808 1195.5 1.218 0.0 0.0 [/SIZE] 7mm Rem Mag [SIZE="1"]Manufacturer: Berger Description: VLD (Litz) Caliber: 0.284 in Weight: 168.0 gr Muzzle Velocity: 3050.0 ft/s Sight Height: 1.50 in Line Of Sight Angle: 0.0 deg Cant Angle: 0.0 deg Wind Speed: 10.0 mph Target Speed: 0.0 mph Temperature: 30.0 °F Pressure: 29.92 in Hg Humidity: 30.0 % Altitude: 7000.0 ft Std. Atmosphere at Altitude: No Pressure is Corrected: Yes Zero at Max. Point Blank Range: No Target Relative Drops: Yes Column 1 Units: 1.00 in Column 2 Units: 1.00 MOA Round Output to Whole Numbers: No Output Data Elevation: 3.266 MOA Windage: 0.000 MOA Atmospheric Density: 0.06245 lb/ft³ Speed of Sound: 1084.8 ft/s Maximum PBR: 386 yd Maximum PBR Zero: 326 yd Range of Maximum Height: 178 yd Energy at Maximum PBR: 2493.8 ft•lbs Sectional Density: 0.298 lb/in² Calculated Table Range Drop Drop Windage Windage Velocity Mach Energy Time Lead Lead (yd) (in) (MOA) (in) (MOA) (ft/s) (none) (ft•lbs) (s) (in) (MOA) 100 -0.0 -0.0 0.4 0.3 2926.4 2.698 3194.1 0.100 0.0 0.0 200 -2.6 -1.2 1.5 0.7 2805.0 2.586 2934.6 0.205 0.0 0.0 300 -9.5 -3.0 3.4 1.1 2686.1 2.476 2691.0 0.314 0.0 0.0 400 -21.3 -5.1 6.2 1.5 2569.7 2.369 2462.8 0.429 0.0 0.0 500 -38.4 -7.3 9.9 1.9 2456.0 2.264 2249.8 0.548 0.0 0.0 600 -61.2 -9.7 14.6 2.3 2345.2 2.162 2051.4 0.673 0.0 0.0 700 -90.4 -12.3 20.3 2.8 2237.3 2.062 1866.9 0.804 0.0 0.0 800 -126.5 -15.1 27.2 3.2 2132.4 1.966 1695.9 0.941 0.0 0.0 900 -170.3 -18.1 35.3 3.7 2030.4 1.872 1537.6 1.086 0.0 0.0 1000 -222.4 -21.2 44.6 4.3 1931.3 1.780 1391.2 1.237 0.0 0.0 [/SIZE] [/QUOTE]
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