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.300 Weatherby Magnum

Test barrel: 660 mm (26”), 1 in 10” twist
Primers: Large Rifle Magnum
Cases: Weatherby, trim-to length 71,50 mm (2.815”)

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]
8,1 125 Ballistic Tip Nosler 90,0 3.543 N160 5,19 80.2 1046 3430 5,52 85.2 1104 3623
9,7 150 Ballistic Tip Nosler 90,1 3.547 N160 4,88 75.2 945 3102 5,22 80.6 1003 3291
            N165 5,27 81.3 949 3113 5,59 86.3 1019 3343
10,7 165 SPBT Speer 90,3 3.555 N160 4,85 74.8 923 3028 5,16 79.6 975 3200
            N165 5,24 80.9 932 3057 5,57 85.9 984 3228
11,7 180 SP Hornady 90,3 3.555 N160 4,66 71.9 875 2872 5,01 77.3 930 3050
            N165 5,04 77.7 888 2912 5,43 83.8 944 3098
13,0 200 HPBT Sierra 90,3 3.555 N165 4,39 67.7 795 2609 4,87 75.1 858 2814
            N560 4,47 69.0 821 2694 4,81 74.2 872 2862
13,0 200 Naturalis Lapua 88,5 3.484 N165 3,80 58.6 760 2493 4,29 66.2 800 2625
            N560 4,16 64.2 816 2677 4,44 68.5 842 2762
            N170 4,50 69.4 800 2625 4,82 74.4 840 2756

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

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

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