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.50 caliber handguns
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Heavy handgun bullet/handgun
thumb|300px|right|Muzzle flash and cylinder blast from a Smith & Wesson Model 500 fired at night
A .50 caliber handgun is a handgun firing a bullet measuring approximately 0.5 in mm 1 in diameter intended with the task of penetration. Historically, many black powder pistols fired bullets with diameters well above a half inch. However, following the development of smokeless powder, the focus shifted to smaller-diameter bullets propelled at higher velocities, and the development of .50 and larger calibers in handguns became uncommon.
In the twentieth century, several new cartridges of half-inch diameter were developed, the first by John Linebaugh of Cody, Wyoming, in 1986 with the development of the .500 Linebaugh, and then later with the .50 Action Express (1988), which was the first to achieve wide popularity. Shideler Dan Gun Digest 2011 Krause 2011 368 978-1-4402-1337-3 The .500 Linebaugh utilizes a bore diameter of .500" with the corresponding bullet diameter of .510", the same as the .50 BMG and other .50 caliber rifles, while the .50 Action Express, .500 S&W Magnum, and .500 S&W Special use .490" bore diameters and correspondingly smaller .500" bullet diameters. The smaller .500" diameter was further popularized by the development of the .500 S&W Magnum in 2003.
There are semi-automatic, revolver, and single-shot .50 caliber handgun designs. Handguns of this caliber tend to be larger and heavier than most others of their type with the exception of the Linebaugh line of revolvers. The Linebaugh revolvers are based on the standard Ruger Blackhawk with Ruger Bisley grip frames, although the cylinders have been enlarged for both structural integrity and absorbing the recoil associated with firing these rounds as have the previously mentioned .500 handguns. Van Zwoll Wayne Hunter's Guide to Long-Range Shooting Stackpole Books 2006 335–339 978-0-8117-3314-4
Despite being featured in many video games and action films as the weapon of choice for some members of elite military and law enforcement units, these guns in reality are used primarily for hunting, target shooting, and silhouette shooting. Hartink A.E. The Complete Encyclopedia of Pistols and Revolvers Chartwell Books, Inc 2002 165–167 Edison, New Jersey 978-0-7858-1519-8 Taffin John The Desert Eagle of Magnum Research Guns Magazine 30 8 2005 http://www.magnumresearch.com/news_detail.asp?story=gunsmagaug2005.asp 2018-11-27 https://web.archive.org/web/20120419162834/http://www.magnumresearch.com/news_detail.asp?story=gunsmagaug2005.asp 2012-04-19 dead Such military usage would be limited as a low-level anti-materiel weapon tasked with door breaching, shooting padlocks, or explosive ordnance disposal of unexploded ordnance, rather than combat.January 2025January 2025
Examples
300px|right|thumb|A custom made .50 Alaskan five-shot single-action revolver built on a BFR frame. The cylinder can also accommodate the 0.3 inch longer .50-110 Winchester cartridge.(Left: .50 Alaskan, Right: .50-110 Winchester)
300px|right|thumb|The largest commercially produced revolver: Smith & Wesson Performance Center Model 500 built on the company's X-Frame. This one has a 7.5 inch barrel. Bullet weights for commonly available ammunition vary from 275 to 500 grains; heavier custom cast bullets up to 700 grains for reloading are available.
.50 Action Express
Magnum Research Inc. Desert Eagle
Magnum Research BFR
Arcadia Machine & Tool AutoMag V
LAR Manufacturing Grizzly Mark V
Freedom Arms Model 555 Hartink A.E. The Complete Encyclopedia of Pistols and Revolvers Chartwell Books, Inc 2003 132–134 Edison, New Jersey 978-0-7858-1871-7 https://archive.org/details/completeencyclop0000hart/page/132
Bond Arms Cyclops
.50 GI
Conversions for the Glock 20/Glock 21
Guncrafter Industries Model Nos. 1, 2, 3
500 GNR
Gary Reeder Custom Guns Ultimate 500
.500 S&W Magnum
Smith & Wesson Model 500
Taurus Raging Bull Model 500
Magnum Research BFR
JTL-E .500 S&W Magnum 12"
Gary Reeder Custom Guns Ultimate 500
Other
Ruger Bisley (.500 Linebaugh)
Maadi-Griffin (.50 BMG)
Magnum Research BFR (.50 Beowulf)
Magnum Research BFR (.500 Bushwhacker)
Freedom Arms Model 83 .500 WE (.500 Wyoming Express)
Triple Action Thunder (.50 BMG)
RSh-12 (12.7×55mm STs-130)
WTS .50 (.50 BMG)
See also
12 mm caliber
Pfeifer Zeliska .600 Nitro Express revolver
List of handgun cartridges
Notes