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Reloading Data » Rifle reloading » .30-.378 Weatherby Magnum

.30-.378 Weatherby Magnum

Test barrel: 670 mm (26½”), 1 in 10” twist
Primers: Large Rifle Magnum
Cases: Weatherby, trim to-length 73,70 mm (2.902”)

CAUTION: Loads less than the listed starting loads may cause excessive chamber pressure and must not be used!

Bullet Powder Starting load Maximum load
Weight Type Mfg C.O.L Type Weight Velocity Weight Velocity
[g] [grs]     [mm] [in.]   [g] [grs] [m/s] [fps] [g] [grs] [m/s] [fps]
10,0 155 Scenar Lapua 93,0 3.661 N160 6,10 94.1 1004 3294 6,41 98.9 1062 3484
            N165 6,68 103.1 1017 3337 6,94 107.1 1075 3527
            N170 7,23 111.6 1008 3307 7,54 116.3 1069 3507
11,0 170 LockBase Lapua 93,0 3.661 N160 5,63 86.9 933 3061 5,91 91.2 973 3192
            N165 6,33 97.7 957 3140 6,67 102.9 1002 3287
            N170 6,94 107.1 957 3140 7,20 111.1 1008 3307
            24N41 7,31 112.8 980 3215 7,83 120.8 1060 3478
12,0 185 Scenar Lapua 93,0 3.661 N160 5,61 86.6 913 2995 5,95 91.8 963 3159
            N560 5,96 92.0 922 3025 6,26 96.6 981 3219
            N170 6,69 103.2 946 3104 7,12 109.9 1009 3310
            24N41 7,16 110.5 959 3146 7,58 117.0 1023 3356
            20N29 7,94 122.5 971 3186 8,18 126.2 1003 3291
13,0 200 HPBT Sierra 93,0 3.661 24N41 4,80 74.1 691 2267 6,96 107.4 949 3114
            20N29 7,52 116.0 918 3012 7,88 121.6 980 3215
14,3 220 HPBT Sierra 93,0 3.661 20N29 7,14 110.2 874 2868 7,64 117.9 938 3077