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The .460 Rowland / 11.43×24mm is a rimless, straight walled handgun cartridge designed in 1997 [1] by Johnny Rowland and developed in conjunction with Clark Custom Guns as a derivative of the .45 ACP [2] with the goal of producing a cartridge which can achieve true .44 Magnum [3] ballistic performance and be fired from a semi-automatic platform.
Around 1987, Randy Shelley, an employee of Dillon Precision, necked down 10mm Auto brass to 9 mm. His goal was to get as much slow-burning powder in the case as possible in order to drive a 9 mm bullet to the velocity needed to qualify for the then-IPSC major power factor of 175.
Authorities said owners of Glock semiautomatic pistols can easily install "auto sears," also known as Glock switches, that make the weapons more lethal, capable of firing 1,200 rounds a minute.
Handguns converted to .40 Super include the S&W 4506, Glock 21, Glock 30, SIG P220, FNH FNP-45, FNH FNX-45, HK USP, Tanfoglio Witness and the 1911 Government Model (and its variants). Handguns set up for the .45 Super cartridge only need a barrel swap. Handguns chambered for the .400 Cor-Bon can have their barrels rechambered to .40 Super.
.460 can also refer to: .460 Steyr (rifle).460 Rowland (pistol) This page was last edited on 17 September 2023, at 10:56 (UTC). Text is available under the Creative ...
The bill defines a machine gun conversion device as any device that is designed or intended to convert a semiautomatic firearm into a weapon that can fire more than a single shot automatically by ...
The Rowland operates at a developer established 40,000 psi (276 MPa) SAAMI and may only be used within a select group of firearms significantly modified for this purpose; the Rowland case is 0.057 inches (1 mm) longer specifically to prevent it from being chambered in standard .45 ACP firearms. Brass cases for each of these cartridges carry the ...
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