Dec 6, 2021 · While .380 ACP is x17mm Vs. 9mm Luger's x19mm, it is not 11% less powder or 11% less energy. Case length does not equate to either of those measurements. The other side of the equation for energy is the weight of the bullet, .380 ACP normally tops out at about 100gr bullets while 9mm normally doesn't start until at least 115gr.
Aug 17, 2020 · .380 vs 9mm: Backup Gun While the 9mm has encroached on the .380’s turf as a primary carry option, the smaller ‘nine’ still cuts the more dominant figure as a backup gun. The caliber continues to offer the tiniest options on the market, without dropping to an inadvisable caliber.
The .380 and 9mm share the same bullet diameter and technically both are 9mm bullets. However, the .380 is a less powerful cartridge than the 9mm, which is already evident from the measurements and visual inspection. The .380 ACP is close to an inch in overall length, whereas the 9mm is just a tad longer.
.380 vs 9mm: Price for Ammo Believe it or not, but 9mm is cheaper than .380 ACP, even though .380 is a smaller cartridge. At the time of writing, 9mm practice ammo will run you about $0.55/round, while American Eagle Federal .380 ammo will cost you over $0.85/round. The trend continues with self-defense ammo as well.
Sep 15, 2020 · 380 vs. 9mm Ballistics Velocity Velocity is one of the most important factors for overall performance. You can see from the stats above (and you perhaps already assumed from the case-length differences), the 9mm Luger is clearly the faster round. 9×19 sometimes having muzzle speeds close to 200 feet-per-second faster than the .380 Auto.
2 days ago · While the .380 comes in at 0.373-inches in both, the 9mm has a neck diameter of 0.380-inches and a base diameter of 0.391-inches. Base thickness also differs, with the 9mm coming in at 0.50-inches and the .380 at 0.45-inches. Bullet weight is classed as being between 100-150 grains for the 9mm, and 90-100 grains for the .380.
The .380 ACP round is cheaper and easier to handle and conceal, while the 9mm is more powerful overall. The rounds can both be used in revolvers and autoloaders, but are not interchangeable with one another. The .380 ACP cartridge (also called a 9mm Browning) was introduced in 1908 by Colt as a self defense weapon.
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