Here is some balistics for the .270 WSM...
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Name: .277 Cal, Hornady SST, 130 grn
Ballistic Coeff: 0.460
Bullet Weight: 130
Velocity: 3294
Target Distance: 300
Scope Height: 1.500
Temperature: 70
Altitude: 500
Ballistic Data
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Range Elevation Velocity Energy ETA Drop Max Y 10mph Wind Deflect
0 yds -1.50 in 3294 fps 3132 fpe 0.000 sec 0.00 in -1.50 in 0.00 in
25 yds -0.10 in 3240 fps 3030 fpe 0.023 sec 0.10 in -0.57 in 0.04 in
50 yds 1.10 in 3186 fps 2930 fpe 0.046 sec 0.41 in -0.50 in 0.16 in
75 yds 2.08 in 3134 fps 2834 fpe 0.070 sec 0.94 in -0.36 in 0.33 in
100 yds 2.84 in 3081 fps 2741 fpe 0.094 sec 1.68 in -0.17 in 0.57 in
125 yds 3.38 in 3030 fps 2650 fpe 0.119 sec 2.65 in 0.09 in 0.87 in
150 yds 3.68 in 2979 fps 2561 fpe 0.144 sec 3.86 in 0.40 in 1.26 in
175 yds 3.74 in 2929 fps 2476 fpe 0.169 sec 5.30 in 0.79 in 1.69 in
200 yds 3.54 in 2879 fps 2392 fpe 0.195 sec 7.01 in 1.24 in 2.22 in
225 yds 3.08 in 2830 fps 2311 fpe 0.221 sec 8.97 in 1.78 in 2.85 in
250 yds 2.34 in 2781 fps 2233 fpe 0.248 sec 11.22 in 2.39 in 3.56 in
275 yds 1.32 in 2733 fps 2156 fpe 0.275 sec 13.75 in 3.08 in 4.35 in
300 yds 0.00 in 2686 fps 2082 fpe 0.303 sec 16.57 in 3.86 in 5.24 in
325 yds -1.61 in 2638 fps 2009 fpe 0.331 sec 19.69 in 4.73 in 6.20 in
350 yds -3.53 in 2592 fps 1939 fpe 0.360 sec 23.11 in 5.69 in 7.24 in
375 yds -5.76 in 2546 fps 1871 fpe 0.389 sec 26.85 in 6.75 in 8.35 in
400 yds -8.31 in 2500 fps 1804 fpe 0.419 sec 30.90 in 7.91 in 9.54 in
425 yds -11.23 in 2455 fps 1740 fpe 0.449 sec 35.33 in 9.19 in 10.86 in
450 yds -14.48 in 2410 fps 1677 fpe 0.479 sec 40.08 in 10.57 in 12.25 in
475 yds -18.12 in 2366 fps 1616 fpe 0.511 sec 45.24 in 12.08 in 13.76 in
500 yds -22.18 in 2322 fps 1557 fpe 0.543 sec 50.80 in 13.72 in 15.40 in
525 yds -26.65 in 2279 fps 1499 fpe 0.576 sec 56.77 in 15.50 in 17.15 in
550 yds -31.55 in 2236 fps 1443 fpe 0.609 sec 63.18 in 17.42 in 19.02 in
575 yds -36.88 in 2194 fps 1389 fpe 0.643 sec 70.02 in 19.49 in 21.00 in
600 yds -42.66 in 2152 fps 1337 fpe 0.678 sec 77.30 in 21.72 in 23.09 in
625 yds -48.90 in 2110 fps 1285 fpe 0.713 sec 85.04 in 24.10 in 25.29 in
650 yds -55.59 in 2069 fps 1236 fpe 0.749 sec 93.24 in 26.64 in 27.58 in
675 yds -62.75 in 2029 fps 1188 fpe 0.785 sec 101.91 in 29.35 in 29.97 in
700 yds -70.61 in 1989 fps 1141 fpe 0.823 sec 111.28 in 32.30 in 32.61 in
725 yds -78.67 in 1948 fps 1096 fpe 0.860 sec 120.84 in 35.35 in 35.15 in
750 yds -87.41 in 1909 fps 1052 fpe 0.898 sec 131.08 in 38.63 in 37.91 in
775 yds -96.84 in 1870 fps 1010 fpe 0.938 sec 142.03 in 42.16 in 40.86 in
800 yds -106.99 in 1832 fps 969 fpe 0.979 sec 153.68 in 45.95 in 44.01 in
Moving Target Lead Data
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Range 5 Mph 10 Mph 15 Mph 20 Mph 25 Mph 30 Mph 35 Mph 40 Mph 45 Mph 50 Mph 55 Mph 60 Mph
0 yds 0.00 ft 0.00 ft 0.00 ft 0.00 ft 0.00 ft 0.00 ft 0.00 ft 0.00 ft 0.00 ft 0.00 ft 0.00 ft 0.00 ft
25 yds 0.17 ft 0.34 ft 0.51 ft 0.68 ft 0.84 ft 1.01 ft 1.18 ft 1.35 ft 1.52 ft 1.69 ft 1.86 ft 2.03 ft
50 yds 0.34 ft 0.68 ft 1.02 ft 1.36 ft 1.70 ft 2.04 ft 2.38 ft 2.72 ft 3.06 ft 3.40 ft 3.75 ft 4.09 ft
75 yds 0.51 ft 1.03 ft 1.54 ft 2.06 ft 2.57 ft 3.09 ft 3.60 ft 4.12 ft 4.63 ft 5.15 ft 5.66 ft 6.18 ft
100 yds 0.69 ft 1.38 ft 2.08 ft 2.77 ft 3.46 ft 4.15 ft 4.84 ft 5.53 ft 6.23 ft 6.92 ft 7.61 ft 8.30 ft
125 yds 0.87 ft 1.74 ft 2.61 ft 3.48 ft 4.36 ft 5.23 ft 6.10 ft 6.97 ft 7.84 ft 8.71 ft 9.58 ft 10.45 ft
150 yds 1.05 ft 2.11 ft 3.16 ft 4.22 ft 5.27 ft 6.33 ft 7.38 ft 8.43 ft 9.49 ft 10.54 ft 11.60 ft 12.65 ft
175 yds 1.24 ft 2.48 ft 3.72 ft 4.96 ft 6.20 ft 7.44 ft 8.68 ft 9.91 ft 11.15 ft 12.39 ft 13.63 ft 14.87 ft
200 yds 1.43 ft 2.86 ft 4.29 ft 5.71 ft 7.14 ft 8.57 ft 10.00 ft 11.43 ft 12.86 ft 14.28 ft 15.71 ft 17.14 ft
225 yds 1.62 ft 3.24 ft 4.86 ft 6.49 ft 8.11 ft 9.73 ft 11.35 ft 12.97 ft 14.59 ft 16.21 ft 17.83 ft 19.46 ft
250 yds 1.82 ft 3.64 ft 5.45 ft 7.27 ft 9.09 ft 10.91 ft 12.73 ft 14.54 ft 16.36 ft 18.18 ft 20.00 ft 21.81 ft
275 yds 2.02 ft 4.04 ft 6.05 ft 8.07 ft 10.09 ft 12.11 ft 14.13 ft 16.14 ft 18.16 ft 20.18 ft 22.20 ft 24.22 ft
300 yds 2.22 ft 4.44 ft 6.67 ft 8.89 ft 11.11 ft 13.33 ft 15.55 ft 17.77 ft 20.00 ft 22.22 ft 24.44 ft 26.66 ft
325 yds 2.43 ft 4.86 ft 7.29 ft 9.72 ft 12.14 ft 14.57 ft 17.00 ft 19.43 ft 21.86 ft 24.29 ft 26.72 ft 29.15 ft
350 yds 2.64 ft 5.28 ft 7.92 ft 10.56 ft 13.20 ft 15.83 ft 18.47 ft 21.11 ft 23.75 ft 26.39 ft 29.03 ft 31.67 ft
375 yds 2.85 ft 5.71 ft 8.56 ft 11.41 ft 14.26 ft 17.12 ft 19.97 ft 22.82 ft 25.67 ft 28.53 ft 31.38 ft 34.23 ft
400 yds 3.07 ft 6.14 ft 9.21 ft 12.28 ft 15.35 ft 18.41 ft 21.48 ft 24.55 ft 27.62 ft 30.69 ft 33.76 ft 36.83 ft
425 yds 3.29 ft 6.58 ft 9.87 ft 13.16 ft 16.46 ft 19.75 ft 23.04 ft 26.33 ft 29.62 ft 32.91 ft 36.20 ft 39.49 ft
450 yds 3.52 ft 7.03 ft 10.55 ft 14.06 ft 17.58 ft 21.09 ft 24.61 ft 28.13 ft 31.64 ft 35.16 ft 38.67 ft 42.19 ft
475 yds 3.75 ft 7.49 ft 11.24 ft 14.98 ft 18.73 ft 22.48 ft 26.22 ft 29.97 ft 33.71 ft 37.46 ft 41.20 ft 44.95 ft
500 yds 3.98 ft 7.96 ft 11.94 ft 15.92 ft 19.90 ft 23.89 ft 27.87 ft 31.85 ft 35.83 ft 39.81 ft 43.79 ft 47.77 ft
525 yds 4.22 ft 8.44 ft 12.66 ft 16.88 ft 21.11 ft 25.33 ft 29.55 ft 33.77 ft 37.99 ft 42.21 ft 46.43 ft 50.65 ft
550 yds 4.47 ft 8.93 ft 13.40 ft 17.86 ft 22.33 ft 26.80 ft 31.26 ft 35.73 ft 40.19 ft 44.66 ft 49.13 ft 53.59 ft
575 yds 4.72 ft 9.43 ft 14.15 ft 18.86 ft 23.58 ft 28.29 ft 33.01 ft 37.72 ft 42.44 ft 47.15 ft 51.87 ft 56.59 ft
600 yds 4.97 ft 9.94 ft 14.91 ft 19.88 ft 24.85 ft 29.82 ft 34.79 ft 39.76 ft 44.73 ft 49.69 ft 54.66 ft 59.63 ft
625 yds 5.23 ft 10.46 ft 15.68 ft 20.91 ft 26.14 ft 31.37 ft 36.59 ft 41.82 ft 47.05 ft 52.28 ft 57.51 ft 62.73 ft
650 yds 5.49 ft 10.98 ft 16.47 ft 21.96 ft 27.45 ft 32.94 ft 38.43 ft 43.92 ft 49.41 ft 54.90 ft 60.39 ft 65.89 ft
675 yds 5.76 ft 11.51 ft 17.27 ft 23.03 ft 28.79 ft 34.54 ft 40.30 ft 46.06 ft 51.81 ft 57.57 ft 63.33 ft 69.09 ft
700 yds 6.03 ft 12.07 ft 18.10 ft 24.14 ft 30.17 ft 36.20 ft 42.24 ft 48.27 ft 54.30 ft 60.34 ft 66.37 ft 72.41 ft
725 yds 6.31 ft 12.61 ft 18.92 ft 25.23 ft 31.53 ft 37.84 ft 44.15 ft 50.45 ft 56.76 ft 63.07 ft 69.37 ft 75.68 ft
750 yds 6.59 ft 13.18 ft 19.77 ft 26.35 ft 32.94 ft 39.53 ft 46.12 ft 52.71 ft 59.30 ft 65.89 ft 72.47 ft 79.06 ft
775 yds 6.88 ft 13.76 ft 20.64 ft 27.51 ft 34.39 ft 41.27 ft 48.15 ft 55.03 ft 61.91 ft 68.79 ft 75.67 ft 82.54 ft
800 yds 7.18 ft 14.35 ft 21.53 ft 28.71 ft 35.88 ft 43.06 ft 50.24 ft 57.41 ft 64.59 ft 71.77 ft 78.94 ft 86.12 ft