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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 Norma Magnum
Bullet Type - .22/sabot
Bullet Weight - 55
Bullet Diameter (IN) - .308
Overall Cartridge Length (IN) - 2.97
Case Length (IN) - 2.55
Full Case Capacity (GR WATER) - 87
Bullet Length (IN) - .72
Barrel Length (IN) - 24
Bullet Seating Depth (IN) - .3
Displaced Water (GR) - 5.641
Effective Water Capacity Of Case (GR) - 81.359
Effective Barrel Length (IN) - 21.75
**lfd1 Cartridge Load Development** 04-26-93
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Cartridge Data - .308 Norma Magnum
Caliber - .308 IN
Bullet Weight - 55 GR
Barrel Length - 21.75 in
Case Capacity - 81.359 GR Of Water (CALC)
Bullet Diameter- .308 in
Sectional Density - .083
Volume Ratio - 5.9
Cartridge Tempreture - 70 Degrees F.
Powder Class - MEDIUM FAST POWDERS
Powder Type - IMR-3031, RX11,H-335, AA-2230, S-3032, WW-748, N-201 *Check Manual*
Charge/Bullet Weight - 1.273
Calc. Powder Charge - 70 GR
Load den - 86%
Est. Muzzle Velocity - 4300 FT/SEC
Est. Peak Pressure - 40200 PSI
Alt Powder type: - BLC-2, H-322, RX-12, AA-2460, N-203
Powder Class - MEDIUM FAST POWDERS
Charge/Bullet Weight - 1.336
Calc. Powder Charge - 73.5 GR
Load den - 90.3%
Est. Muzzle Velocity - 4400 FT/SEC
Est. Peak Pressure - 42500 PSI
***For starting loads reduce Calc. powder charge by at least 10%***
**Alternate load information** 04-26-93
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Cartridge Data - .308 Norma Magnum
Powder Type - IMR-3031, RX11,H-335, AA-2230, S-3032, WW-748, N-201 *Check Manual*
Load Density Charge Weight Velocity Pressure
% GR FPS PSI
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75 61.0 3700 30500
80 65.1 4000 34800
85 69.2 4300 39300
90 73.2 4500 44000 *
95 77.3 4700 49000 *
100 81.4 5000 54400 *
Powder Type - BLC-2, H-322, RX-12, AA-2460, N-203
75 61.0 3700 29300
80 65.1 3900 33300
85 69.2 4100 37700
90 73.2 4400 42200 *
95 77.3 4600 47000 *
100 81.4 4900 52100 *
* Warning -- HIGH PRESSURE - REFERENCE ONLY !
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