.45 ACP
Pistol
Heavy subsonic pistol caliber born for the Colt 1911: a symbol of American stopping power.
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Overview
Designed by John Moses Browning in 1904 after U.S. experience in the Philippines, where 9 mm and .38 Long Colt proved inadequate. Cylindrical case, heavy bullet (typically 230 gr) and subsonic velocity give excellent energy transfer at short range.
Specifications
- Bullet diameter
- 11,5 mm (.452")
- Case length
- 22,8 mm
- Overall length
- 32,4 mm
- Bullet weight
- 14,9 g (230 gr)
- Typical muzzle velocity
- 260–290 m/s
- Typical energy
- ≈ 570 J
- Introduced
- 1904
Pros
- +Excellent stopping power at short range.
- +Subsonic: ideal for suppressed use.
Cons
- −Lower magazine capacity (7–13 rounds).
- −Curved trajectory beyond 50 m.
History and use
Adopted with the Colt M1911 and in U.S. service until 1985. Still used by special units and dominant on the U.S. civilian market.
Weapons adopting it (4)
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