* Please keep in mind that the data is for reference only *
* Caution * case capacity calculations *
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Cartridge case capacity may vary 5-10% between brands.
Cartridge Type - ..30-40 Krag
Bullet Type - .22/sabot
Bullet Weight - 55
Butllet Diameter (IN) - .308
Overall Cartridge Length (IN) - 2.8
Case Length (IN) - 2.304
Full Case Capacity (GR WATER) - 52.2
Bullet Length (IN) - .72
Barrel Length (IN) - 22
Bullet Seating Depth (IN) - .224
Displaced Water (GR) - 4.212
Effective Water Capacity of Case (GR) - 47.998
Effective Barrel Length (IN) - 19.92
**1fd 1 Cartridge Load Development/** 4-26-93
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Cartridge Data - .30-40 Krag
Caliber - .308
Bullet Weight - 55 GR
Barrel Length - 19.92 in
Case Capacity - 63.283 GR of Water (CALC)
Bullet Diameter - .308
Sectional Density - .083
Volume Ratio - 8.7
Cartridge Temperature - 70 Degrees F.
Powder Class - FAST POWDERS
Powder type - IMR-4198, RX7, S-4197 *Check Manual*
Charge/ Bullet Weight - 0.698
Calc. Powder Charge - 38.4 GR
Load Den - 80%
Est. Muzzle Velocity - 3700 FT/SEC
Est. Peak Pressure - 38500 PSI
Powder Class - Alternate powder class not available.
**For starting loads reduce Calc. powder charge by at least 10%**
**Alternate load information** 04-23-93
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Cartridge Data - .30-40 Krag
Powder type - IMR-4198, RX7, S-4197 *Check Manual*
Load Density Charge Weight Velocity Pressure
% GR FPS PSI
75 36.0 3500 33800
80 38.4 3700 38500
85 40.8 3900 43500
90 42.2 4200 48700*
95 45.6 4400 54300*
100 48.0 4600 60200*
* Warning - HIGH PRESSURE - REFERENCE ONLY !