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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 - .30-30 Winchester
Bullet Type - .22/sabot
Bullet Weight - 55
Bullet Diameter (IN) - .308
Overall Cartridge Length (IN) - 2.5
Case Length (IN) - 2.03
Full Case Capacity (GR WATER) - 45
Bullet Length (IN) - .72
Barrel Length (IN) - 18
Bullet Seating Depth (IN) - .25
Displaced Water (GR) - 4.701
Effective Water Capacity Of Case (GR) - 40.299
Effective Barrel Length (IN) - 16.22
**lfd1 Cartridge Load Development** 04-26-93
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Cartridge Data - .30-30 Winchester
Caliber - .308 IN
Bullet Weight - 55 GR
Barrel Length - 16.22 in
Case Capacity - 40.299 GR Of Water (CALC)
Bullet Diameter- .308 in
Sectional Density - .083
Volume Ratio - 8.4
Cartridge Temperature - 70 Degrees F.
Powder Class - FAST POWDERS
Powder Type - IMR-4198/RX7/S-4197 *Check Manual*
Charge/Bullet Weight - 0.585
Calc. Powder Charge - 32.2 GR
Load den - 79.9%
Est. Muzzle Velocity - 3500 FT/SEC
Est. Peak Pressure - 40300 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 - IMR-4198/RX7/S-4197 *Check Manual*
Load Density Charge Weight Velocity Pressure
% GR FPS PSI
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75 30.2 3300 35500
80 32.2 3500 40300
85 34.3 3700 45700
90 36.3 3900 51200 *
95 38.3 4200 57000 *
100 40.3 4400 63100 *
* Warning -- HIGH PRESSURE - REFERENCE ONLY !
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