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Calibre

11.63 mm (.458") — bullet ballistic coefficients

42 factory loads sharing a 11.63 mm bore, from 5 manufacturers: Federal, Hornady, Norma, Sellier & Bellot, Winchester. Sorted by bullet weight, lightest first.

42 loads
LoadWeightgrCal.mm BC G1BC G7MVm/sEJ
450 Bushmaster 245 gr InterLock® American Whitetail® 245.0 11.63 0.165 — 671 3570
450 Bushmaster 250 gr FTX® American Whitetail® TIPPED 250.0 11.63 0.210 — 671 3643
450 Bushmaster 250 gr FTX® Hornady BLACK® 250.0 11.63 0.210 — 671 3643
45‑70 Government 250 gr MonoFlex® LEVERevolution® 250.0 11.63 0.175 — 617 3086
Winchester Deer Season XP 450 Bushmaster 250 gr 250.0 11.63 0.210 — 671 3643
Winchester Rifle 450 Bushmaster 250 gr 250.0 11.63 0.210 — 671 3643
Fusion Rifle, 450 Bushmaster, 260 Grain, Fusion Soft Point, 2200 fps 260.0 11.63 0.180 — 671 3788
Winchester Power-Point 450 Bushmaster 260 gr 260.0 11.63 0.191 — 643 3484
Winchester Rifle 450 Bushmaster 260 gr 260.0 11.63 0.191 — 643 3484
Federal Subsonic, 45-70 Government, 300 Grain, Fusion Soft Point, 1000 fps 300.0 11.63 0.290 — 305 903
Federal Subsonic, 45-70 Government, 300 Grain, Target Soft Point, 1000 fps 300.0 11.63 0.290 — 305 903
Fusion Rifle, 45-70 Government, 300 Grain, Fusion Soft Point, 1850 fps 300.0 11.63 0.290 — 564 3091
HammerDown Rifle, 45-70 Government, 300 Grain, Bonded Soft Point, 1850 fps 300.0 11.63 0.290 — 564 3091
Henry 250th Anniversary, 45-70 Government, 300 Grain, Hollow Point, 1850 fps 300.0 11.63 0.289 — 564 3091
Power-Shok Rifle, 45-70 Government, 300 Grain, Jacketed Soft Point, 1850 fps 300.0 11.63 0.289 — 564 3091
Power-Shok Rifle, 450 Bushmaster, 300 Grain, Soft Point, 1900 fps 300.0 11.63 0.225 — 579 3260
Winchester Ballistic Silvertip 45-70 Government 300 gr 300.0 11.63 0.191 — 573 3191
Winchester Rifle 45-70 Government 300 gr 300.0 11.63 0.191 — 573 3191
Winchester Rifle 45-70 Government 300 gr [X4570H] 300.0 11.63 0.283 — 573 3191
Winchester Super X 45-70 Government 300 gr 300.0 11.63 0.283 — 573 3191
450 Marlin 325 gr FTX® LEVERevolution® 325.0 11.63 0.230 — 678 4843
45‑70 Government 325 gr FTX® LEVERevolution® 325.0 11.63 0.230 — 610 3913
450 Bushmaster 395 gr Sub‑X® Subsonic 395.0 11.63 0.300 — 320 1310
Safari Trophy Bonded Bear Claw, 458 Win Magnum, 400 Grain, Trophy Bonded Bear Claw, 225... 400.0 11.63 0.353 — 686 6095
45-70 GOVT. SP 405 gr (Rifle ammunition SP) 405.0 11.63 0.306 0.199 460 2777
Winchester Rifle 45-70 Government 405 gr 405.0 11.63 0.280 — 351 1612
Winchester Super X 45-70 Government 405 gr 405.0 11.63 0.280 — 351 1612
45‑70 Government 410 gr Sub‑X® Subsonic 410.0 11.63 0.285 — 328 1427
450 Nitro Express 3 1/4" 480 gr DGS® 480.0 11.63 0.285 — 655 6678
450 Nitro Express 3¼” 480 gr DGX® Bonded 480.0 11.63 0.285 — 655 6678
Safari Trophy Bonded Bear Claw, 458 Lott, 500 Grain, Trophy Bonded Bear Claw, 2300 fps 500.0 11.63 0.282 — 701 7961
Safari Trophy Bonded Bear Claw, 458 Win Magnum, 500 Grain, Trophy Bonded Bear Claw, 209... 500.0 11.63 0.282 — 637 6573
Safari Trophy Bonded Sledgehammer Solid, 458 Lott, 500 Grain, Trophy Bonded Sledgehamme... 500.0 11.63 0.328 — 701 7961
Safari Trophy Bonded Sledgehammer Solid, 458 Win Magnum, 500 Grain, Trophy Bonded Sledg... 500.0 11.63 0.328 — 594 5724
Safari Woodleigh Hydro Solid, 458 Lott, 500 Grain, Woodleigh Hydro Solid, 2250 fps 500.0 11.63 0.260 — 686 7619
Safari Woodleigh Hydro Solid, 458 Win Magnum, 500 Grain, Woodleigh Hydro Solid, 2050 fps 500.0 11.63 0.260 — 625 6324
458 Lott 500 gr DGS® 500.0 11.63 0.295 — 701 7961
458 Lott 500 gr DGX® Bonded 500.0 11.63 0.295 — 701 7961
458 Win Mag 500 gr DGS® Superformance® 500.0 11.63 0.295 — 652 6893
458 Win Mag 500 gr DGX® Bonded SPF 500.0 11.63 0.295 — 652 6893
Norma Solid .458 Lott 32.4g 500.0 11.63 0.269 — 670 7272
Norma Woodleigh Soft Nose .458 Lott 35.6g 550.0 11.63 0.340 — 640 7299

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These figures are the bullet's starting point. What you actually dial depends on your rifle's zero, the air you're shooting in and the wind on the day — Ballistic Calculator solves that on the phone, offline, using the same G1/G7 tables and this database.

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