Nov 6, 2009 · 38/357 relationship has little bearing on .40/10 or 9x19/9x21/9x23 unless shot in revolvers wherein moonclips provide headspacing requirements. Sounds like if I want a bigger, …

Jun 25, 2007 · 9x21 will not chamber in a 9x19. It's 2mm too long. 9x19 will chamber in a 9x21. However, since both rounds headspace on the case mouth, there will be nothing to support …

Mar 13, 2000 · You can safely use 9x19 data (stick to loads near max) in your 9x21. Good cartridge, just a longer case than the 9x19, I've loaded them side-by-side, and with the same …

9x21 is equivalent to the 9x19/9mm Luger/9mmParabellum and is designed to circumvent laws in countries that prevent civilian ownership of military ammunition and firearms in military …

Oct 18, 2004 · The 9x21 was meant for use in places like Italy where it is not legal to own 9x19 GUNS. The cartridges are not interchangeable. It will not chamber in a 9x19 and was not …

Jul 2, 2007 · Cartridge OAL of both 9x19 and 9x21 is the same! the only difference is 9x21 has a longer case but the bullet is seates to the same depth as in 9mm. So the powder space of …

9x21 is equivalent to the 9x19/9mm Luger/9mmParabellum and is designed to circumvent laws in countries that prevent civilian ownership of military ammunition and firearms in military …

Oct 29, 2002 · 9x21: Originated in the 1960s or 70s as a rule beater for sale in Italy where private ownership of military calibers like 9x19 is banned. The case is 2mm longer than 9mmP, the …

Jul 6, 2007 · I am convinced the longer 9x21 case provides more time for powder burn due to increased case neck tension from its longer case). I often use compressed loads, particularly …

Oct 28, 2020 · The 9x21 is a round developed to get around some European gun laws. In places like Italy civilians could not own guns in military calibers. Best use of that box of ammo is for …