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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Berger Bullets for 7 mm STW
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<blockquote data-quote="Tyler Kemp" data-source="post: 192181" data-attributes="member: 6290"><p>I ran some stuff through JBM, assuming the new 140 has a BC of .55 at 3500 and 3600 fps, sighted in at 300.</p><p></p><p>Calculated Table</p><p>Range Drop Velocity Mach Energy Time </p><p>(yds) (in) (ft/s) (none) (ft•lbs) (s) </p><p>0 -1.5 3506.8 3.141 3822.2 0.000 </p><p>100 2.3 3308.4 2.963 3402.0 0.088 </p><p>200 2.9 3119.1 2.794 3023.9 0.181 </p><p>300 -0.0 2938.0 2.632 2682.9 0.281 </p><p>400 -7.0 2764.3 2.476 2375.0 0.386 </p><p>500 -18.5 2597.2 2.326 2096.5 0.498 </p><p>600 -35.2 2436.2 2.182 1844.6 0.617 </p><p>700 -57.7 2280.9 2.043 1617.0 0.744 </p><p>800 -87.0 2131.2 1.909 1411.8 0.880 </p><p>900 -123.9 1987.3 1.780 1227.5 1.026 </p><p>1000 -169.6 1849.4 1.657 1063.1 1.183 </p><p></p><p>Calculated Table</p><p>Range Drop Velocity Mach Energy </p><p>(yds) (in) </p><p>0 -1.5 3606.9 3.231 4043.6 </p><p>100 2.1 3403.7 3.049 3600.9 </p><p>200 2.8 3210.2 2.875 3203.0 </p><p>300 -0.0 3025.2 2.710 2844.5 </p><p>400 -6.6 2848.0 2.551 2521.8</p><p>500 -17.4 2677.7 2.398 2228.6 </p><p>600 -33.1 2513.8 2.252 1964.1 </p><p>700 -54.3 2355.8 2.110 1724.9 </p><p>800 -81.8 2203.4 1.974 1509.0 </p><p>900 -116.4 2056.6 1.842 1314.6 </p><p>1000 -159.3 1915.8 1.716 1140.7</p></blockquote><p></p>
[QUOTE="Tyler Kemp, post: 192181, member: 6290"] I ran some stuff through JBM, assuming the new 140 has a BC of .55 at 3500 and 3600 fps, sighted in at 300. Calculated Table Range Drop Velocity Mach Energy Time (yds) (in) (ft/s) (none) (ft•lbs) (s) 0 -1.5 3506.8 3.141 3822.2 0.000 100 2.3 3308.4 2.963 3402.0 0.088 200 2.9 3119.1 2.794 3023.9 0.181 300 -0.0 2938.0 2.632 2682.9 0.281 400 -7.0 2764.3 2.476 2375.0 0.386 500 -18.5 2597.2 2.326 2096.5 0.498 600 -35.2 2436.2 2.182 1844.6 0.617 700 -57.7 2280.9 2.043 1617.0 0.744 800 -87.0 2131.2 1.909 1411.8 0.880 900 -123.9 1987.3 1.780 1227.5 1.026 1000 -169.6 1849.4 1.657 1063.1 1.183 Calculated Table Range Drop Velocity Mach Energy (yds) (in) 0 -1.5 3606.9 3.231 4043.6 100 2.1 3403.7 3.049 3600.9 200 2.8 3210.2 2.875 3203.0 300 -0.0 3025.2 2.710 2844.5 400 -6.6 2848.0 2.551 2521.8 500 -17.4 2677.7 2.398 2228.6 600 -33.1 2513.8 2.252 1964.1 700 -54.3 2355.8 2.110 1724.9 800 -81.8 2203.4 1.974 1509.0 900 -116.4 2056.6 1.842 1314.6 1000 -159.3 1915.8 1.716 1140.7 [/QUOTE]
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Berger Bullets for 7 mm STW
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