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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 H & H Magnum
Bullet Type - .22/sabot
Bullet Weight - 55
Bullet Diameter (IN) - .308
Overall Cartridge Length (IN) - 3.28
Case Length (IN) - 2.835
Full Case Capacity (GR WATER) - 86
Bullet Length (IN) - .72
Barrel Length (IN) - 24
Bullet Seating Depth (IN) - .275
Displaced Water (GR) - 5.171
Effective Water Capacity Of Case (GR) - 80.829
Effective Barrel Length (IN) - 21.44
**lfd1 Cartridge Load Development** 04-26-93
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Cartridge Data - .300 H & H Magnum
Caliber - .308 IN
Bullet Weight - 55 GR
Barrel Length - 21.44 in
Case Capacity - 80.829 GR Of Water (CALC)
Bullet Diameter- .308 in
Sectional Density - .083
Volume Ratio - 8.7
Cartridge Tempreture - 70 Degrees F.
Powder Class - MEDIUM FAST POWDERS
Powder Type - IMR-3031, RX11,H-335, AA-2230, S-3032, WW-748, N-201 *Check Manual*
Charge/Bullet Weight - 1.264
Calc. Powder Charge - 69.5 GR
Load den - 85.9%
Est. Muzzle Velocity - 4300 FT/SEC
Est. Peak Pressure - 40400 PSI
Alt Powder type: - BLC-2, H-322, RX-12, AA-2460, N-203
Powder Class - MEDIUM FAST POWDERS
Charge/Bullet Weight - 1.327
Calc. Powder Charge - 73 GR
Load den - 90.3%
Est. Muzzle Velocity - 4400 FT/SEC
Est. Peak Pressure - 42700 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 H & H Magnum
Powder Type - IMR-3031, RX11,H-335, AA-2230, S-3032, WW-748, N-201 *Check Manual*
Load Density Charge Weight Velocity Pressure
% GR FPS PSI
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75 60.6 3700 30700
80 64.7 4000 35000
85 68.7 4300 39500
90 72.7 4500 44200 *
95 78.6 4800 49300 *
100 80.8 5000 54600 *
Powder Type - BLC-2, H-322, RX-12, AA-2460, N-203
75 60.6 3700 29400
80 64.7 3900 33500
85 68.7 4100 37800
90 72.7 4400 42400 *
95 76.8 4600 47300 *
100 80.8 4900 52300 *
* Warning -- HIGH PRESSURE - REFERENCE ONLY !
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