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.300 WSM

Test barrel: 620 mm (24½”), 1 in 10” twist
Primers: Large Rifle Magnum
Cases: Winchester, trim-to length 53,10 mm (2.091”)

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]
6,5 100 HPCE Lapua 67,0 2.638 N150 3,85 59.4 1026 3366 4,21 65.0 1107 3632
            N540 3,91 60.3 1042 3419 4,29 66.2 1146 3760
            N550 4,14 63.9 1027 3369 4,55 70.2 1079 3540
8,0 123 FMJ Lapua 68,8 2.709 N150 3,82 59.0 963 3159 4,10 63.3 1032 3386
            N550 4,06 62.7 950 3117 4,39 67.7 1057 3468
            N160 4,28 66.1 953 3127 4,70 72.5 1045 3428
9,7 150 Mega Lapua 66,5 2.618 N550 3,51 54.2 860 2822 4,00 61.7 956 3136
            N160 3,75 57.9 849 2785 4,34 67.0 951 3120
            N560 4,14 63.9 862 2828 4,60 71.0 969 3179
9,7 150 Lock Base Lapua 72,0 2.835 N550 3,74 57.7 882 2894 4,15 64.0 979 3212
            N160 3,89 60.0 878 2881 4,50 69.4 978 3209
            N560 4,36 67.3 886 2907 4,81 74.2 989 3245
10,7 165 Scirocco Swift 73,5 2.894 N550 3,77 58.2 862 2828 4,16 64.2 957 3140
            N160 3,87 59.7 842 2762 4,33 66.8 937 3074
            N560 4,23 65.3 858 2815 4,63 71.5 959 3146
            N165 4,32 66.7 868 2848 4,74 73.1 962 3156
10,9 167 Scenar Lapua 72,1 2.839 N160 3,49 53.9 792 2598 4,15 64.0 908 2979
            N550 3,56 54.9 832 2730 3,97 61.3 922 3025
            N560 4,03 62.2 833 2733 4,48 69.1 931 3054
11,0 170 Naturalis Lapua 72,1 2.839 N160 3,38 52.2 790 2592 4,01 61.9 889 2917
            N165 3,90 60.2 821 2694 4,45 68.7 908 2979
            N560 3,95 61.0 814 2671 4,40 67.9 916 3005
12,0 185 Scenar Lapua 77,0 3.031 N160 3,83 59.1 799 2621 4,22 65.1 882 2894
            N560 4,11 63.4 814 2671 4,50 69.4 906 2972
            N165 4,18 64.5 823 2700 4,62 71.3 911 2989
12,0 185 Mega Lapua 69,9 2.752 N160 3,35 51.7 752 2467 3,92 60.5 851 2792
            N550 3,41 52.6 784 2572 3,83 59.1 867 2844
            N560 3,95 61.0 801 2628 4,33 66.8 881 2890
13,0 200 Mega Lapua 70,0 2.756 N160 3,67 56.6 749 2457 4,15 64.0 837 2746
            N560 3,98 61.4 772 2533 4,44 68.5 864 2835
            N165 4,10 63.3 777 2549 4,56 70.4 866 2841
13,0 200 Naturalis Lapua 68,0 2.677 N160 3,56 54.9 733 2405 4,00 61.7 815 2674
            N560 3,80 58.6 743 2438 4,30 66.4 838 2749
            N165 3,90 60.2 758 2487 4,45 68.7 834 2736


LIGHT GREY TEXT BOX INDICATES MAXIMUM LOAD - USE WITH CAUTION!
LOADS LESS THAN MINIMUM CHARGES SHOWN ARE NOT RECOMMENDED

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