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The .25 ACP (6.35 mm) centerfire pistol cartridge is a semi-rimmed, straight-walled pistol cartridge introduced by firearms designer John Browning in 1906. ACP (Automatic Colt Pistol) is the acronym chosen by Colt to denote its involvement in the design of several pistol cartridges. ...
A centerfire cartridge is a cartridge in which the primer is located in the center of the cartridge case head. ...
A Browning 9 millimeter Hi-Power Ordnance pistol of the French Navy, 19th century, using a Percussion cap mechanism Derringers were small and easily hidden. ...
Rimmed, centerfire . ...
A firearm is a kinetic energy weapon that fires either a single or multiple projectiles propelled at high velocity by the gases produced by action of the rapid confined burning of a propellant. ...
John Moses Browning (January 21, 1855 – November 26, 1926), born in Ogden, Utah, was an American firearms designer who developed myriad varieties of weapons, cartridges, and gun mechanics, many of which are used in the U.S. military and elsewhere to this day. ...
Design
The cartridge was designed for early blowback pistols that lacked a breech locking mechanism. The cartridge is of semi-rimmed design meaning that the rim protrudes slightly beyond the diameter of the base of the cartridge. A recessed extractor groove allows an extractor to grab the cartridge reliably. It is the smallest centerfire pistol round in production, and is commonly chambered in small, so-called "vest pocket" pistols. A line of revolvers produced by the German firm Decker were chambered for this cartridge [1]. However it is probably most popular due to use in the Colt Vest Pocket and the Raven MP-25. Blowback is a system in which automatic or semi-automatic firearms operate through the energy created by combustion in the chamber and bore acting directly on the bolt face through the cartridge. ...
A pocket pistol is an American term for any small, pocket-sized semi-automatic pistol or, less-popular, any other handgun (e. ...
Revolver is also a rock-and-roll album by The Beatles. ...
Performance The use of the .25 ACP allows for a very compact lightweight gun, but the cartridge is short ranged with regards to power, and lacks in so-called stopping power. It is in the same class as the .22 LR rimfire cartridge, although the twenty-two is slightly more powerful when fired from equal length short barrels, the .25 ACP is viewed by many as a better choice for personal defense due to its more reliable semi-rimmed centerfire case design. Manufacturers have loaded common commercial hollow point bullets to higher velocity than the standard 50 grain FMJ (Full Metal Jacket) load, but it should be noted that neither the .22 LR nor .25 ACP are considered adequate for self defense by any authoritative source. Both rounds are certainly an effective threat against attackers not armed with guns, and it should be remembered that modern +P (plus pressure) loadings of 50 grain FMJ twenty-five automatic are quite capable of penetrating a 2x4 inch beam of wood, much less a human skull. Some 25 ACP pistols are used by law enforcement (usually in a higher quality weapon like a Beretta Model 21A) as emergency back-up weapons, though 32 ACP or the 380 ACP is a far more popular choice. 25 ACP is still common and is often used in lower costing, lower quality firearms. As such this cartridge, like the .380 ACP, has gained a reputation as one typically used in street crime. This article or section does not cite its references or sources. ...
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A centerfire cartridge is a cartridge in which the primer is located in the center of the cartridge case head. ...
Muzzle velocity - 3.3 g (50 gr) full metal jacket: 232 m/s (760 ft/s); 64 ft·lbs.
Some modern specialty loads [2] contain a "+P" 3.3 g (50 gr) bullet: 259 m/s 850 ft/s, 80 ft.lbs.
Reloading Boxer primed .25 ACP cases can be reloaded, although due to the low cost of factory ammunition, it is marginally cost effective at best.
Synonyms - 25 Auto
- .25 Auto
- 6.35 mm
- 6.35 mm Browning
- 6.35x15.5mmSR
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