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30 378 Weatherby

$115.00$150.00

30 378 Weatherby

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30 378 Weatherby

Initially a wildcat cartridge developed by Roy Weatherby in 1959 at the request of the United States Army. This white-hot cartridge is based on the 378 necked down to 30 caliber and packed with powder. Originally billed as the world’s fastest 30 caliber cartridge, it will push a 30 caliber bullet 3,500 feet per second. Reintroduced as a Weatherby production cartridge in 1996.

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Velocity

Bullet Type Ballistic Coefficient @ Muzzle 100 Yards 200 Yards 300 Yards 400 Yards 500 Yards
180 Grain Interlock 0.425 3420 3174 2943 2724 2514 2315
180 Grain Ballistic Tip 0.507 3420 3213 3015 2826 2645 2471
180 Grain Accubond 0.507 3420 3213 3015 2826 2645 2471
180 Grain TTSX 0.484 3360 3132 2916 2709 2513 2324
195 Hammer 0.550 3225 3043 2868 2700 2539 2383
200 Grain Accubond 0.588 3125 2958 2798 2643 2494 2349
220 Grain ELD-X 0.650 3050 2902 2760 2622 2488 2358

 

Energy

 

30 378 Weatherby

 

Bullet Type Ballistic Coefficient @ Muzzle 100 Yards 200 Yards 300 Yards 400 Yards 500 Yards
180 Grain Interlock 0.425 4675 4027 3462 2965 2527 2141
180 Grain Ballistic Tip 0.507 4676 4126 3634 3193 2797 2441
180 Grain Accubond 0.507 4676 4126 3634 3193 2797 2441
180 Grain TTSX 0.484 4513 3921 3398 2935 3524 2160
195 Grain Hammer 0.550 4503 4008 3562 3157 2791 2458
200 Grain Accubond 0.588 4337 3886 3476 3103 2762 2451
220 Grain ELD-X 0.650 4544 4112 3716 3351 3015 2706

 

Trajectory

Bullet Type Ballistic Coefficient 100 Yards 200 Yards 300 Yards 400 Yards 500 Yards
180 Grain Interlock 0.425 2.7 3.3 0 -8 -21.6
180 Grain Ballistic Tip 0.507 2.5 3.1 0.0 -7.5 -20.0
180 Grain Accubond 0.507 2.5 3.1 0.0 -7.5 -20.0
180 Grain TTSX 0.484 2.7 3.4 0.0 -8.1 -21.8
195 Grain Hammer 0.550 2.9 3.6 0.0 -8.3 -22.1
200 Grain Accubond 0.588 3.1 3.8 0.0 -8.8 -23.1
220 Grain ELD-X 0.650 3.3 3.9 0.0 -9 -23.6

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