The 9×21mm pistol cartridge (also known as the 9×21mm GP, 9×21mm IMI, 9mm IMI, 9×21mm Italian, or 9mm Italian) was designed by Jager (Loano, Italy), then adopted and commercialised by Israel Military Industries for those jurisdictions where military service cartridges, like the 9×19mm Parabellum, are or were illegal for civilian purchase ...

2022年9月22日 · The 9x21mm IMI was created to match the 9mm Luger’s performance while obeying European gun laws, but how does it actually compare to the prominent 9x19mm? Should American gun owners adopt this European round?

The 9×23mm Winchester is a pistol cartridge developed as a joint venture by Winchester Ammunition and Colt's Manufacturing Company. [2] . The 9×23mm Winchester has a convoluted development history, but was commercially introduced by Winchester in 1996.

2008年8月20日 · 9x23 was one of several efforts made to solve some of the headaches of 38 Supers semi rimless design. If you've got a 38 super, you can probably run 9x23 in your gun without mods. The other two notable attempts to deal with the occasionally persnickty 38 Super is 38 TJ(Todd Jarrett) and 38 Super Comp.

2019年10月2日 · Announced to the public in early 1996 at an NRA convention, the 9×23mm Winchester cartridge was claimed to have the lowest recoiling load and still qualify for Major Power Factor designation in the IPSC.The IPSC Power Factor (PF) is equal to bullet weight in grains times muzzle velocity divided by 1,000.

2014年6月10日 · The 9x23's Sporting Arms and Ammunition Manufacturers' Institute (SAAMI) maximum average pressure limit is 55,000 pounds per square inch (psi), the same as a .223 Rem. rifle round! Compare that to the 9mm Luger's 35,000 psi and its +P limit of 38,500 psi.

2024年6月18日 · Guns that specifically shoot 9×23mm Winchester are relatively uncommon compared to more ubiquitous cartridges like 9mm Luger or .45 ACP. The most notable firearms chambered for this round include: Colt 1911 Variants: Several custom and semi-custom 1911 pistols have been manufactured to chamber the 9×23mm Winchester.

2007年6月25日 · 9x21: This cartridge is not commonly seen in this country. It is ballistically the same as the standard 9x19 and has the same OAL but uses a case 2mm longer. This is a way for shooters who live in countries where the 9x19 is illegal (because it's a military caliber) to get around the rules. Fast is fine, but accuracy is everything. Wow Baldy!

All About 9x23 "New cartridges are about as common as promises in a political campaign - and usually about as effective. But occasionally there comes a ballistic inovation that, combined with the right firearm, promises true usefulness rather than mere marketablility - the 9 X 23 might just be such an innovation."

Although usually known as 9x21mm, this cartridge is properly named 9x21mm IMI. This cartridge was developed by both IMI (Israeli Military Industries), who manufactures ammunition in this caliber, and Fratelli Tanfoglio of Italy, who manufactures 9x21mm barrels …