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Reloading Data » Rifle reloading » .300 Lapua Magnum

.300 Lapua Magnum

Test barrel: 690 mm (27”), 1 in 9½ twist
Primers: Large Rifle Magnum
Cases: Lapua, trim-to length 68,90 mm (2.713”)

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 4,89 75.5 973 3192 5,23 80.7 1023 3355
            N560 5,24 80.9 973 3192 5,73 88.4 1057 3468
            N170 6,01 92.7 993 3258 6,41 99.0 1064 3491
11,0 170 LockBase Lapua 93,0 3.661 N560 5,12 79.0 942 3091 5,49 84.7 1004 3293
            N170 5,66 87.3 939 3081 6,10 94.1 1003 3292
            24N41 6,15 94.9 945 3100 6,56 101.2 1015 3331
12,0 185 Scenar Lapua 93,0 3.661 N560 4,82 74.4 879 2884 5,31 81.9 954 3131
            N170 5,40 83.3 893 2930 5,89 90.9 962 3158
            24N41 5,93 91.5 916 3005 6,30 97.2 965 3166
13,0 200 HPBT Sierra 93,0 3.661 N170 5,09 78.5 851 2792 5,56 85.8 915 3003
            24N41 5,56 85.8 866 2841 6,01 92.8 928 3044
14,3 220 HPBT Sierra 93,0 3.661 24N41 5,10 78.7 804 2638 5,67 87.4 875 2871
            20N29 6,06 93.5 856 2808 6,45 99.6 908 2980