12/31/2023 0 Comments 38 special vs 9mm short![]() Firing 5.56x45mm ammo through a rifle designed for. 223 ammunition in a rifle designed for 5.56x45mm NATO cartridges. What this means is that it’s generally safe to shoot. ![]() generates far less pressure because of that difference when compared to the 5.56x45mm cartridge. The 5.56x45mm cartridge features thicker internal case walls than the. The big difference, and where the problem arises, is with the pressures generated by the two types of ammunition. The exception being the firearms with chambers cut to very tight tolerances. Note: The operative word here is “ almost.” They are similar enough in shape that either may fit into a firearm chambered for the other. 223 Remington have almost identical dimensions. When comparing the cartridge dimensions, the 5.56x45mm NATO cartridge and. 223, they’re usually referring to the civilian version of the cartridge designed by Remington. It is safe to assume that when people refer to 5.56x45mm cartridge, they are referring to the military specification cartridge. 223 caliber (i.e., 0.223-inch diameter), even though they are the same diameter. military’s switch, it refers to the diameter of the bullet as 5.56mm whereas the civilian market calls it. military started switching to the metric system in the 1950s, to better work with our NATO allies, the rest of the country stayed on the United States Customary Units of Measurement System. That said, many people would advise against using one in a rifle that is designed for the other, so clearly there must be some differences so let’s investigate.įirst, it must be noted that when the U.S. Therefore, shooter wrongly believe that they are interchangeable. 223 Remington cartridge are the same dimensions. To many shooters - even knowledgeable ones - the 5.56mm NATO cartridge and. The dimensions of the 5.56x4mm cartridge per C.I.P standards. 38 cartridges, and ended up walking out with either. There have been several instances where a buyer has walked into their local Firearms Emporium, asked for. As amazing as it may seem, quite a few people are not aware of the differences between cartridges or even of the existence of other similar cartridges. This same confusion and similarity applies to many other calibers.īecause of this, the buyer must note the exact cartridge type anytime they are engaged in purchasing ammo. But with many examples, you must look close to notice the difference. and the 7.62 Soviet (7.62x39mm) used by the SKS, AK-47, AKM, and Type 56 rifles.Īs you may have noted by now, it is easy to tell the difference between two cartridges when they are drastically different. 308 Winchester) also referred to as the 7.62x51mm used in the FN-FAL, M14, Heckler & Koch G3, SR25, etc. The two most famous ones are the 7.62 NATO (. One more piece of confusing information can be supplied by examining the 7.62mm family of cartridges, including but not limited to, the following: 7.62x25mm Tokarev, 7.62x51mm NATO, 7.62x39mm Soviet, 7.62x54mmR etc. These examples are just the tip of the iceberg… To make it more confusing to distinguish from other 9mm cartridges, it was also referred to by its metric case length, 9×19. I’m sure you are asking, “How did it get so many names?” The cartridge was developed by Georg Luger in 1901 and christened the 9mm Parabellum which means “For war.”īecause of its use in his new pistol, the P-08 it was also called the 9mm Luger. The good news is that 9mm Parabellum, 9mm Luger, and 9X19 are different names for the same cartridge. 380 ACP or 9mm Short if you like, and the. Dufus should have been a bit more precise in asking for what he wanted and checked to see what was put in the bag. 45 GAP no matter how hard he bangs on the slide trying to close it. 45 ACP and rings up a box.ĭufus gets to the range and goes to load up only to realize the. He goes into his local firearms emporium to pick up some ammo for his Whiz Bang Ogre Slayer and asks the salesman for, “A box of. Let’s take our old friend Dufus as an example. The confusion continues to occur when referring to many popular chamberings that many shooters both old and new take for granted. 38 in diameter… Go figure! Of course, most of what I have referred to thus far has been bullet diameter, but you may notice that the cartridge cases also differ. As you can see from the photo not only are the lengths and cartridge profiles very different, the two bullets are also of slightly different diameters.
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