7mm Rem mag
With todays bullets with high BC like Bergers and some of the newer powders like RL 17 the big bullets just sail right passed the small 140gr & 130gr way more energy and just as flat or better than the smaller bullets. over 500 ftlbs energy from 400 to 1000 than the small bullets. and buck the wind twice as good.
Don't get rid of your 7mm rem mag there are hard to beat.
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Advanced Ballistics Calculator - for those that want to play serious what-ifs. Diameter Wind Speed Altitude Clicks/MOA Sight Height Max Range Range Interval Sectional Density Muzzle Velocity Bullet Weight Ballistic Coefficient Temperature Zero Range Ballistics Calculator Max Point blank range is 305 yds when zeroed at 258 yds.
Range
yds Path
in ComeUp
clicks Velocity
fps Energy
ft/lbs Momentum
lb ft/s ToF
sec Windage
in Windage
clicks Optimal
Game Wgt
Muzzle -1.5 Infinity 3000 3597 77.14 0.000 0.0 NaN 1312
100 3.4 -13 2856 3260 73.44 0.103 0.4 2 1132
200 4.1 -8 2717 2950 69.86 0.210 1.8 3 975
300 0.0 0 2582 2664 66.39 0.324 4.1 5 837
400 -9.3 9 2451 2402 63.04 0.443 7.5 7 716
500 -24.4 19 2325 2161 59.79 0.569 12.1 9 611
600 -45.9 29 2203 1939 56.64 0.701 17.8 11 520
700 -74.5 41 2084 1735 53.58 0.841 24.8 14 440
800 -111.2 53 1968 1548 50.61 0.989 33.3 16 370
900 -156.9 67 1857 1378 47.74 1.146 43.4 18 311
1000 -212.7 81 1750 1224 44.99 1.313 55.1 21 260
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