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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 - .30 Herrett
Bullet Type - .22/sabot
Bullet Weight - 55
Bullet Diameter (IN) - .308
Overall Cartridge Length (IN) - 2.1
Case Length (IN) - 1.604
Full Case Capacity (GR WATER) - 35
Bullet Length (IN) - .72
Barrel Length (IN) - 14
Bullet Seating Depth (IN) - .224
Displaced Water (GR) - 4.212
Effective Water Capacity Of Case (GR) - 30.788
Effective Barrel Length (IN) - 12.62
**lfd1 Cartridge Load Development** 04-26-93
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Cartridge Data - .30 Herrett
Caliber - .308 IN
Bullet Weight - 55 GR
Barrel Length - 12.62 in
Case Capacity - 30.788 GR Of Water (CALC)
Bullet Diameter- .308 in
Sectional Density - .083
Volume Ratio - 8.6
Cartridge Tempreture - 70 Degrees F.
Powder Class - VERY FAST POWDERS
Powder Type - 2400, H110, AA-#9 *Check Manual*
Charge/Bullet Weight - 0.447
Calc. Powder Charge - 24.6 GR
Load den - 79.9%
Est. Muzzle Velocity - 3100 FT/SEC
Est. Peak Pressure - 39500 PSI
Alt Powder type: -
Powder Class - Alternate powder selection not available.
***For starting loads reduce Calc. powder charge by at least 10%***
**Alternate load information** 04-26-93
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Cartridge Data -
Powder Type - 2400, H110, AA-#9 *Check Manual*
Load Density Charge Weight Velocity Pressure
% GR FPS PSI
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75 23.1 2900 34800
80 24.6 3100 39500
85 26.2 3300 44800
90 27.7 3500 50100 *
95 29.2 3700 55700 *
100 30.8 3900 61900 *
* Warning -- HIGH PRESSURE - REFERENCE ONLY !
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