Please keep in mind that the data is for reference only*
case capacity calculations*
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) - 6.22
**lfd1 Cartridge Load Development** 04-26-93
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 Tempreture - 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
***For starting loads reduce Calc. powder charge by at least 10%***
**Alternate load information** 04-26-93
Cartridge Data -
Powder Type - IMR-4198/RX7/S-4197 *Check Manual*
Load Density % |
Charge Weight GR |
Velocity FPS |
Pressure PSI |
75 |
30.2 |
3300 |
3550 |
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 ! |