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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 - .308 Winchester
Bullet Type - .22/sabot
Bullet Weight - 55
Bullet Diameter (IN) - .308
Overall Cartridge Length (IN) - 2.5
Case Length (IN) - 2.005
Full Case Capacity (GR WATER) - 56
Bullet Length (IN) - .72
Barrel Length (IN) - 22
Bullet Seating Depth (IN) - .225
Displaced Water (GR) - 4.231
Effective Water Capacity Of Case (GR) - 51.769
Effective Barrel Length (IN) - 20.22
**lfd1 Cartridge Load Development** 04-26-93
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Cartridge Data - .308 Winchester
Caliber - .308 IN
Bullet Weight - 55 GR
Barrel Length - 20.22 in
Case Capacity - 51.769 GR Of Water (CALC)
Bullet Diameter- .308 in
Sectional Density - .083
Volume Ratio - 8.2
Cartridge Tempreture - 70 Degrees F.
Powder Class - FAST POWDERS
Powder Type -
IMR-4198/RX7/S-4197/IMR-3031 H322 *Check Manual*
Charge/Bullet Weight - 0.753
Calc. Powder Charge - 41.4 GR
Load den - 79.9%
Est. Muzzle Velocity - 3800 FT/SEC
Est. Peak Pressure - 38900 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 - .308 Winchester
Powder Type - IMR-4198/RX7/S-4197/IMR-3031 H322 *Check Manual*
Load Density Charge Weight Velocity Pressure
% GR FPS PSI
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75 38.8 3600 34200
80 41.1 3800 38900
85 44.0 4000 43900
90 46.6 4300 49300 *
95 49.2 4500 54900 *
100 51.8 4800 60900 *
* Warning -- HIGH PRESSURE - REFERENCE ONLY !
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