.50 GI

The .50 GI (12.7×23mmRB) pistol cartridge was developed by Alex Zimmermann of Guncrafter Industries. The .50 GI was introduced at the 2004 SHOT Show alongside the Guncrafter Industries Model No. 1, a variation of the M1911. The round has a rebated rim that is the same diameter as that of the .45 ACP.

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2004  Wikimedia, Wikidata
pistol cartridge, 

.38/.45 Clerke, .451 Detonics Magnum, .475 Wildey Magnum, .50 Action Express, 10.6×25mmR, 11.35mm Schouboe, 6.5mm Bergmann, 6.5×25mm, 7,65×25 Mannlicher, 7.65×21mm Mannlicher, 8.5mm Mars, 8mm Roth-Steyr, 9mm Mars, 9×23mm Largo, 9×25mm Dillon, Astra 3000, Astra 4000, Beretta 318, Bernardelli P8, Calico M950, Campo Giro, Coonan .357 Magnum, CZ 122 Sport, Gustloff pistol, HK P10, HK P9S, Hämmerli X-Essen, PAMAS G1, Pardini SP, Pistole vz. 24, Safari Arms Matchmaster, TOZ-35, Walther GSP, Walther TP, 

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Location: KML, Cluster Map, Maps,

Frameless

Type	Subtype	Date	Description	Notes	Source