.45 Win Mag
In Stock .45 Win Mag Ammo For Sale From Top Retailers
The .45 Winchester Magnum is a .45 caliber rimless cartridge intended for use in semi-automatic pistols. The cartridge is externally a lengthened .45 ACP with a thicker web to withstand higher operating pressures.
Although the .45 Winchester Magnum may be based on the .45 ACP and have the same Rim and Base dimensions, the .45 Winchester Magnum has no parent case. The .45 Winchester Magnum case is redrawn with thicker walls and longer cases.
About .45 Win Mag
- Type: Pistol
- Place of origin: USA
- Designer: Winchester
- Designed: 1977
- Manufacturer: Winchester
- Produced :1999
Specifications
- Parent case: .45 NAACO
- Case type : Rimless
- Bullet diameter: .452 in (11.5 mm)
- Neck diameter: .473 in (12.0 mm)
- Base diameter: .476 in (12.1 mm)
- Rim diameter: .480 in (12.2 mm)
- Rim thickness: .072 in (1.8 mm)
- Case length: 1.198 in (30.4 mm)
- Overall length: 1.575 in (40.0 mm)
- Case capacity: 38 gr H2O (2.5 cm3)
- Primer type: LP
Ballistic performance
| Bullet mass/type | Velocity | Energy |
|---|---|---|
| 230 gr (15 g) JHP Underwood | 1,600 ft/s (490 m/s) | 1,307 ft⋅lbf (1,772 J) |
| 255 gr (17 g) HC FN Buffalo Bore | 1,400 ft/s (430 m/s) | 1,110 ft⋅lbf (1,500 J) |
| 260 gr (17 g) Power-Point Winchester | 1,200 ft/s (370 m/s) | 831 ft⋅lbf (1,127 J) |
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