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*Please keep in mind that the data is for reference only*
**case capacity calculations*
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*Caution*
Cartridge case capacity may vary 5-10% between brands.
Cartridge type - .300 Weatherby Magnum
Bullet Type - .22/sabot
Bullet Weight - 55
Bullet Diameter (IN) - .308
Overall Cartridge Length (IN) - 3.2
Case Length (IN) - 2.815
Full Case Capacity (GR WATER) - 98
Bullet Length (IN) - .72
Barrel Length (IN) - 24
Bullet Seating Depth (IN) - .335
Displaced Water (GR) - 6.3
Effective Water Capacity Of Case (GR) - 91.7
Effective Barrel Length (IN) - 21.52
**lfd1 Cartridge Load Development** 04-26-93
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Cartridge Data - .300 Weatherby Magnum
Caliber - .308 IN
Bullet Weight - 55 GR
Barrel Length - 21.52 in
Case Capacity - 91.7 GR Of Water (CALC)
Bullet Diameter- .308 in
Sectional Density - .083
Volume Ratio - 5.3
Cartridge Tempreture - 70 Degrees F.
Powder Class - MEDIUM POWDERS
Powder Type - IMR-4895, H-4895, S-4065, AA-2495 *Check Manual*
Charge/Bullet Weight - 1.435
Calc. Powder Charge - 78.9 GR
Load den - 86%
Est. Muzzle Velocity - 4400 FT/SEC
Est. Peak Pressure - 40200 PSI
Alt Powder type: - IMR-4064, H-380, AA-2520
Powder Class - MEDIUM POWDERS
Charge/Bullet Weight - 1.362
Calc. Powder Charge - 74.9 GR
Load den - 81.6%
Est. Muzzle Velocity - 4300 FT/SEC
Est. Peak Pressure - 38000 PSI
***For starting loads reduce Calc. powder charge by at least 10%***
**Alternate load information** 04-26-93
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Cartridge Data - .300 Weatherby Magnum
Powder Type - IMR-4895, H-4895, S-4065, AA-2495 *Check Manual*
Load Density Charge Weight Velocity Pressure
% GR FPS PSI
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75 68.8 3800 30600
80 73.4 4100 34800
85 77.9 4300 39200
90 82.5 4600 44000 *
95 87.1 4900 49000 *
100 91.7 5100 54300 *
Powder Type - IMR-4064, H-380, AA-2520
75 68.8 3900 32100
80 73.4 4200 36500
85 77.9 4500 41100
90 82.5 4700 46100 *
95 87.1 5000 51400 *
100 91.7 5300 57000 *
* Warning -- HIGH PRESSURE - REFERENCE ONLY !
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