![]() 355 diameter bullet where 9mm Makarov (9x18mm) uses a. 9mm Luger (9x19mm) (9mm Parabellum) uses a. It can be confusing, but we can overcome that confusion by being specific. ![]() All competitors must meet the minimum of 125 Power Factor to be eligible for score. The 9mm, or more accurately 9x19mm Parabellum, was designed by Georg Luger in 1902 at the request of the German military, who wanted a larger round in the. The 9mm Luger, 9x19mm and 9mm Parabellum are different names for the same cartridge. 38 Super requires a gun with a grip deep enough to accommodate the longer round. The 9mm Luger also allows the use of guns designed around the shorter 9mm Luger case, whereas the. Values ranging from 125 to 164.9 rate as Minor Power Factor, while 165 and above score as Major. Nine Major has grown in popularity due largely to the reduced cost of 9mm Luger cases compared to. The USPSA calculates Power Factor using a simple formula: (bullet weight x velocity in FPS) / 1,000 = PF. So somewhere along the way, someone invented Power Factor to even the score. And more time always equals a lower score in a match. The 9mm Luger is especially popular for compact carry pistols its a potent cartridge for its size and offers good performance with well-designed bullets. That muzzle rise, in turn, adds more time for follow-up shots. The 9mm Luger became the 9mm NATO cartridge in due course. More perceived recoil equates to more muzzle rise. While these loads more faithfully replicate a defensive cartridge, they add much more recoil for the shooter.Īnd that recoil is really the issue in competition. Other shooters shoot full-power factory loadings, some with bigger bullets, often at much greater velocities. Each of these calibers has an almost equal diameter with the 9mm measuring in at. Those downloaded cartridges, and others, fall into the category of Minor. They load only enough powder to consistently and reliably operate the slide, extract and eject, and load the next round. Some competitors download cartridges as low as possible. ![]() And as you can see in the video, not all 9mm cartridges are created equally. This figure shows a prototype 9mm Automatic cartridge along with a 9mm Luger cartridge. But the cartridge has a troubling flaw: it's tapered. It is a potent cartridge for its size and offers good performance with well-designed bullets. That Power Factor rating implicates scoring, which in turn helps separate the winners and losers. The 9mm Luger has become especially popular for small, compact carry guns intended for self-defense. It can either offer the same performance as 9mm Luger at lower pressures, or it can offer superior performance at the same pressure. Major and Minor Power Factor are the two categories in which a competitor’s cartridge is rated. The 9mm Largo cartridge is 4mm longer than the 9mm Luger, which gives it 30 more case capacity. VIDEO: Keanu Quad Loads His TTI Benelli M2 Training for ‘John Wick 3’ ![]()
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