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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 - .30-40 Krag
Bullet Type - .22/sabot
Bullet Weight - 55
Bullet 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
**lfd1 Cartridge Load Development** 04-26-93
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Cartridge Data - .30-40 Krag
Caliber - .308 IN
Bullet Weight - 55 GR
Barrel Length - 19.92 in
Case Capacity - 63.283 GR Of Water (CALC)
Bullet Diameter- .308 in
Sectional Density - .083
Volume Ratio - 8.7
Cartridge Tempreture - 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
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 - .30-40 Krag
Powder Type - IMR-4198, RX7,S-4197 *Check Manual*
Load Density Charge Weight Velocity Pressure
% GR FPS PSI
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75 36.0 3500 33800
80 38.4 3700 38500
85 40.8 3900 43500
90 43.2 4200 48700 *
95 45.6 4400 54300 *
100 48.0 4600 60200 *
* Warning -- HIGH PRESSURE - REFERENCE ONLY !
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