The .455 Webley is a famed .455 calibre revolver cartridge, developed alongside the Webley Revolver of Great Britain by Webley & Scott in the 1880's. The .455 Webley was designed in several different versions throughout its service life.
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| - The .455 Webley is a famed .455 calibre revolver cartridge, developed alongside the Webley Revolver of Great Britain by Webley & Scott in the 1880's. The .455 Webley was designed in several different versions throughout its service life.
- |- ! colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;" | .455 Webley |- | colspan="3" style="text-align: center; font-size: 90%; border-bottom: 1px solid #aaa; line-height: 1.25em;" | Image:455in SAA Ball - Webley 455 Ammunition.jpgMK II .455" SAA Ball ammunition |- ! style="padding-right: 1em;" | Type | colspan="2" | |- ! style="padding-right: 1em;" | Place of origin | colspan="2" | UK |- |- |- |- |- ! colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;" | Production history |- |- |- |- | Specifications |- mm ) mm ) |- mm ) mm ) |- mm ) mm
- .455 Webley is a British handgun cartridge, most commonly used in the Webley top break revolvers Marks I through VI. The .455 cartridge was a service revolver cartridge, featuring a rimmed cartridge firing a .45 bullet at the relatively low velocity of 650 ft/s (190 m/s). The result was a cartridge and handgun combination with relatively mild recoil, but with good penetration and excellent stopping power. It was rated superior to the .45 Colt in stopping power in the disputed United States Thompson-LaGarde Tests of 1904 that resulted in the adoption by the U.S. of the .45 ACP cartridge.
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| - Webley & Scott, BSA , Dominion Cartridge Company, Eley Brothers, Fiocchi Grenfell & Accles, Hornady (USA), Kings North Metal Company, Kynoch Ltd, Royal Arsenal
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| - Small pistol
- Large pistol
- large pistol
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- 220(xsd:integer)
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- 289(xsd:integer)
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| - 0.455
- A variety of .455 Webley cartridges
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| - Great Britain, British Empire, Commonwealth
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| - 600(xsd:integer)
- 620(xsd:integer)
- 700(xsd:integer)
- 757(xsd:integer)
- 600.0
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| - Royal Laboratory Woolwich Arsenal, Birmingham Small Arms Company, Eley Brothers, Kynoch Limited, Grenfell & Accles, Kings Norton Metal Company, Dominion Cartridge Company.
- Royal Laboratory Woolwich Arsenal, Birmingham Small Arms Company, Eley Brothers, Kynoch Limited, and Grenfell & Accles.
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| - Straight rimmed
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| abstract
| - .455 Webley is a British handgun cartridge, most commonly used in the Webley top break revolvers Marks I through VI. The .455 cartridge was a service revolver cartridge, featuring a rimmed cartridge firing a .45 bullet at the relatively low velocity of 650 ft/s (190 m/s). The result was a cartridge and handgun combination with relatively mild recoil, but with good penetration and excellent stopping power. It was rated superior to the .45 Colt in stopping power in the disputed United States Thompson-LaGarde Tests of 1904 that resulted in the adoption by the U.S. of the .45 ACP cartridge. The .455 Webley cartridge remained in service with British and Commonwealth forces until the end of the Second World War. Six main types of .455 ammunition were produced:
* .455 Webley Mk I: Introduced in 1891. 265 grain (17.2 g) solid lead round-nosed bullet propelled by black powder. All subsequent .455 designs used cordite propellant. In 1894 some Mark I cartridges were loaded with cordite (identified by a case cannelure and "C" headstamp) but it was found combustion was more efficient in a shorter case.
* .455 Webley Mk II: Introduced in 1897. 265 grain (17.2 g) solid lead round-nosed bullet propelled by gr ( g) cordite. With the change to cordite propellant, case lengths were reduced. There are minor differences between the Mk I and II bullet shape, though these concern the internal dimensions and so are not immediately apparent.
* .455 Webley Mk III: Introduced in 1898. The famous "Manstopper" bullet intended for police, civilian and colonial use. Essentially, the Mk III was a 218 grain lead "hollowpoint" design, propelled by cordite. The cylindrical bullet had hemispherical hollows at each end—one to seal the barrel, the other to deform on impact. This bullet was soon prohibited for use by the military because it was not compliant with the Hague Convention of 1899. The Mark III was withdrawn from service in 1900 and the Mark II was reintroduced.
* .455 Webley Mk IV: Introduced in 1912. 220 grain, flat-nosed wadcutter with cordite propellant. Designed with the goal of producing a more effective bullet than the Mark II without violating the terms of the Hague Convention.
* .455 Webley Mk V: Introduced in 1914. Identical to the Mk IV bullet, but cast from a harder lead-alloy containing more antimony with cordite propellant. This cartridge was only in use from April through November 1914. Upon its withdrawal the Mark II cartridge was returned to service. Remaining stocks were designated for target practice and unloaded cases were loaded with Mark II bullets.
* .455 Webley Mk VI: Introduced in 1939. A 265 grain full metal jacketed bullet intended for military purposes, designed to comply with the Hague Convention. This cartridge was used during World War II. The propellant was (– g) cordite or gr ( g) nitro-cellulose. Cordite-loaded cartridges bore a "VI" on the headstamp while nitrocellulose-loaded cartridges were indicated with a "VIz".
* .455 Webley Auto Mk I: Produced from 1913 to about the middle of WWII. This is a semi-rimmed cartridge for the Webley & Scott Self Loading pistols, along with some M1911 pistols purchased by the Royal Navy. The cartridge headspaces on the rim and was loaded with a 224 grain cupro-nickel jacketed bullet with a muzzle velocity of 700 feet per second. In addition to the Webley revolvers, the British and Canadian armies also ordered several thousand Smith & Wesson .44 Hand Ejector revolvers, chambered in .455 Webley, in a rush to equip their troops for the Great War. The urgency was such that the earliest of these were converted from revolvers already completed and chambered for .44 Special. Approximately 60,000 Colt New Service revolvers were also purchased, in .455. The Italian firm Fiocchi and American firm Hornady are currently the only commercial manufacturers of the .455 Webley cartridge (in Mk II). Hornady, RCBS and Lee produce equipment for reloading .455 Webley cartridges. Despite the apparent difference in caliber name, .476 Enfield was quite similar to the .455 Webley. The .476 had a mm ( in) shorter case than the .455 Mark I and could be fired in weapons regulated and marked as safe for the caliber, such as the Webley "WG Army" model. This had a cylinder that was long enough to accommodate the significantly longer cartridge in which the bullet swelled out to .476" beyond the case. It would not chamber in any government-issue .455 Webley Marks I–VI. The .450 Adams (1868), .476 Enfield (1881), and .455 Webley (1887) British service cartridges all featured a case diameter of .476 inch.
- The .455 Webley is a famed .455 calibre revolver cartridge, developed alongside the Webley Revolver of Great Britain by Webley & Scott in the 1880's. The .455 Webley was designed in several different versions throughout its service life.
- .455 Webley is a British handgun cartridge, most commonly used in the Webley top break revolvers Marks I through VI. The .455 cartridge was a service revolver cartridge, featuring a rimmed cartridge firing a .45 bullet at the relatively low velocity of 650 ft/s (190 m/s). The result was a cartridge and handgun combination with relatively mild recoil, but with good penetration and excellent stopping power. It was rated superior to the .45 Colt in stopping power in the disputed United States Thompson-LaGarde Tests of 1904 that resulted in the adoption by the U.S. of the .45 ACP cartridge. The .455 Webley cartridge remained in service with British and Commonwealth forces until the end of the Second World War. Six main types of .455 ammunition were produced:
* .455 Webley Mk I: Introduced in 1891. 265 grain (17.2 g) solid lead round-nosed bullet propelled by black powder. All subsequent .455 designs used cordite propellant. In 1894 some Mark I cartridges were loaded with cordite (identified by a case cannelure and "C" headstamp) but it was found combustion was more efficient in a shorter case.
* .455 Webley Mk II: Introduced in 1897. 265 grain (17.2 g) solid lead round-nosed bullet propelled by cordite. With the change to cordite propellant, case lengths were reduced. There are minor differences between the Mk I and II bullet shape, though these concern the internal dimensions and so are not immediately apparent.
* .455 Webley Mk III: Introduced in 1898. The famous "Manstopper" bullet intended for police, civilian and colonial use. Essentially, the Mk III was a 218 grain lead "hollowpoint" design, propelled by cordite. The cylindrical bullet had hemispherical hollows at each end—one to seal the barrel, the other to deform on impact. This bullet was soon prohibited for use by the military because it was not compliant with the Hague Convention of 1899. The Mark III was withdrawn from service in 1900 and the Mark II was reintroduced.
* .455 Webley Mk IV: Introduced in 1912. 220 grain, flat-nosed wadcutter with cordite propellant. Designed with the goal of producing a more effective bullet than the Mark II without violating the terms of the Hague Convention.
* .455 Webley Mk V: Introduced in 1914. Identical to the Mk IV bullet, but cast from a harder lead-alloy containing more antimony with cordite propellant. This cartridge was only in use from April through November 1914. Upon its withdrawal the Mark II cartridge was returned to service. Remaining stocks were designated for target practice and unloaded cases were loaded with Mark II bullets.
* .455 Webley Mk VI: Introduced in 1939. A 265 grain full metal jacketed bullet intended for military purposes, designed to comply with the Hague Convention. This cartridge was used during World War II. The propellant was cordite or nitro-cellulose. Cordite-loaded cartridges bore a "VI" on the headstamp while nitrocellulose-loaded cartridges were indicated with a "VIz".
* .455 Webley Auto Mk I: Produced from 1913 to about the middle of WWII. This is a semi-rimmed cartridge for the Webley & Scott Self Loading pistols, along with some M1911 pistols purchased by the Royal Navy. The cartridge headspaces on the rim and was loaded with a 224 grain cupro-nickel jacketed bullet with a muzzle velocity of 700 feet per second. In addition to the Webley revolvers, the British and Canadian armies also ordered several thousand Smith & Wesson .44 Hand Ejector revolvers, chambered in .455 Webley, in a rush to equip their troops for the Great War. The urgency was such that the earliest of these were converted from revolvers already completed and chambered for .44 Special. Approximately 60,000 Colt New Service revolvers were also purchased, in .455. The Italian firm Fiocchi and American firm Hornady are currently the only commercial manufacturers of the .455 Webley cartridge (in Mk II). Hornady, RCBS and Lee produce equipment for reloading .455 Webley cartridges. Despite the apparent difference in caliber name, .476 Enfield was quite similar to the .455 Webley. The .476 had a shorter case than the .455 Mark I and could be fired in weapons regulated and marked as safe for the caliber, such as the Webley "WG Army" model. This had a cylinder that was long enough to accommodate the significantly longer cartridge in which the bullet swelled out to .476" beyond the case. It would not chamber in any government-issue .455 Webley Marks I–VI. The .450 Adams (1868), .476 Enfield (1881), and .455 Webley (1887) British service cartridges all featured a case diameter of .476 inch.
- |- ! colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;" | .455 Webley |- | colspan="3" style="text-align: center; font-size: 90%; border-bottom: 1px solid #aaa; line-height: 1.25em;" | Image:455in SAA Ball - Webley 455 Ammunition.jpgMK II .455" SAA Ball ammunition |- ! style="padding-right: 1em;" | Type | colspan="2" | |- ! style="padding-right: 1em;" | Place of origin | colspan="2" | UK |- |- |- |- |- ! colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;" | Production history |- |- |- ! style="padding-right: 1em;" | Manufacturer | colspan="2" | Royal Laboratory Woolwich Arsenal, Birmingham Small Arms Company, Eley Brothers, Kynoch Limited, and Grenfell & Accles. |- |- |- |- ! colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;" | Specifications |- |- ! style="padding-right: 1em;" | Case type | colspan="2" | straight rimmed |- ! style="padding-right: 1em;" | Bullet diameter | colspan="2" | in (mm ) |- ! style="padding-right: 1em;" | Neck diameter | colspan="2" | in (mm ) |- |- ! style="padding-right: 1em;" | Base diameter | colspan="2" | in (mm ) |- ! style="padding-right: 1em;" | Rim diameter | colspan="2" | in (mm ) |- |- ! style="padding-right: 1em;" | Case length | colspan="2" | in (mm ) |- ! style="padding-right: 1em;" | Overall length | colspan="2" | in (mm ) |- |- |- ! style="padding-right: 1em;" | Primer type | colspan="2" | large pistol |- |- |- |- |- |- |- ! colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;" | Ballistic performance |- style="text-align: center; font-size: 90%; background: #DEDEDE;" cellspacing="0" cellpadding="0" ! Bullet weight/type ! Velocity ! Energy |- style="text-align: center; font-size: 90%;" | style="vertical-align:middle; " | gr (g) FMJ|| ft/s (m/s) || ft·lbf (J) |- style="text-align: center; font-size: 90%;" |- style="text-align: center; font-size: 90%;" |- style="text-align: center; font-size: 90%;" |- style="text-align: center; font-size: 90%;" |- |} .455 Webley is a British handgun cartridge, most commonly used in the Webley top break revolvers Marks I through VI. The .455 cartridge was a service revolver cartridge, featuring a rimmed cartridge firing a .45 bullet at the relatively low velocity of 650 ft/s (190 m/s). The result was a cartridge and handgun combination with relatively mild recoil, but with good penetration and excellent stopping power. It was rated superior to the .45 Colt in stopping power in the disputed Thompson-LaGarde Tests of 1901, that resulted in the adoption of the United States .45 ACP cartridge. The .455 Webley remained in service with British and Commonwealth forces until the end of WWII. The .455 Webley cartridge remained in service with British and Commonwealth forces until the end of the Second World War. Six main types of .455 ammunition were produced:
* .455 Webley Mk I - 265 grain (17.2 g) solid lead round-nosed bullet propelled by black powder. Dating from the late 19th Century, all subsequent .455 designs used cordite propellant.
* .455 Webley Mk II - 265 grain (17.2 g) solid lead round-nosed bullet propelled by cordite. There are minor differences between the Mk I and II bullet shape, though these concern the internal dimensions and so are not immediately apparent. Used cordite propellant.
* .455 Webley Mk III - the famous "Manstopper" bullet intended for police, civilian and colonial use. Essentially, the Mk III was a 218 grain lead "hollowpoint" design. The cylindrical bullet had hemispherical hollows at each end - one to seal the barrel the other to deform on impact. This bullet was soon prohibited for use by the military because it was not compliant with the Hague Convention of 1899. Used cordite propellant.
* .455 Webley Mk IV - 220 grain, flat-nosed wadcutter. Used cordite propellant.
* .455 Webley Mk V - identical to the Mk IV bullet, but was cast from a harder lead-alloy containing more antimony. Used cordite propellant.
* .455 Webley Mk VI - a 265 grain full metal jacketed bullet intended for military purposes, designed to comply with the Hague Convention. This bullet was used during the Great War and the Second World War. The propellant was cordite or nitro-cellulose. The Italian firm of Fiocchi are currently the only commercial manufacturers of the .455 Webley cartridge.
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