type pistol chambered for the 9x19mm Parabellum, .40 S&W and .357 SIG. Its design is based on MySpaceTV the venerable. FOXNews.com - Massive Ice These are factory original, drop-free magazines for your Glock handgun. Glock magazines have a hardened steel insert encased in high tech polymer..

The .357 Sig is based upon the .40 S&W case simply necked down with a short neck and a sharp shoulder. The design purpose was to achieve 357 Magnum. We learned that .357 Sig is basically the .40 S&W cartridge necked down to take 9mm

bullets. This cartridge was developed specifically for the law. Springfield Replacement Magazine, 357 Sig, 10rd, Fits Springfield XD pistols,