What does LCP mean on a gun?
The LCP, which stands for "Lightweight Compact Pistol", was designed in direct response to customer requests for a compact firearm for use by police as a back-up, and a defensive handgun for civilian concealed carry needs.
Ruger American® Pistol Compact.
September 2, 2021. Ammo/Ammo Guides. Anyone interested in firearms and ammunition, especially pistols, will inevitably come across the acronym ACP ammo. This abbreviation stands for “Automatic Colt Pistol,” and designates cartridges used in a specific, and rather historic, type of firearm.
Other names for . 380 ACP include . 380 Auto, 9×17mm, 9mm Browning, 9mm Corto, 9mm Kurz, 9mm Short, and 9mm Browning Court (which is the C.I.P. designation).
9mm and . 380 ACP cartridges — both popular choices for self-defense rounds — have the same diameter, but a 9mm round is longer. The . 380 ACP round is cheaper and easier to handle and conceal, while the 9mm is more powerful overall.
Ruger's newest 9mm is based upon the proven LCP platform and features a polymer frame. The Ruger LC9 is not striker-fired.
they have similar bullet diameters. . 38 special is designed for use in revolvers and the . 380 ACP is used in semi-auto pistols.
As might be expected, larger-diameter bullets produce more devastating wound cavities and have a greater likelihood of striking vital organs. While any gun is better than no gun at all, it is the author's contention pistols chambered in . 380 ACP are best served as backup guns and not primary self-defense handguns.
As we can see from the chart above, 9mm bullets have a higher muzzle velocity than 45 ACP bullets do. Combined with the 9mm's smaller size than . 45 ACP, that translates into deeper bullet penetration. A higher muzzle velocity and lower weight also means that the 9mm usually has less vertical drop than a 45 does.
Although they have different names, the 45 ACP and the 45 Auto are the exact same cartridge. The 45 ACP might be one of many entries into the lauded history of 45 caliber handgun cartridges, but it is truly “America's Cartridge”.
Why is .45 ACP called that?
45 ACP (Automatic Colt Pistol) or 45 Auto (11.43×23mm) is a type of bullet, made to be used in the M1911 pistol used by the U.S. Military. It was first made by John Browning in 1904, the "ACP" in the name stands for "Automatic Colt Pistol".
ACP stands for Automatic Colt Pistol and is the platform the . 45 Auto cartridge is fired from. Next up, when you go buy a box of cartridges for your . 45 Auto pistol, even in you ask for . 45 ACP, the box and headstamps are marked .

380-caliber ammo varies by brand, weight, and bullet design, but any . 380 ACP or . 380 Auto round will fire out of a . 380-caliber firearm.
While both of them share a lot of similarities from same rimless design to almost same diameter, 9mm tube is simply not made to fire an ACP. While you can fire an . 380 ACP through the 9mm barrel, you shouldn't. . 380 ACP simply won't be able to generate as much pressure as a 9mm would.
There are two main conventions of caliber names which use either millimeters or inches for the diameter in the name. Let's take 9mm and 380 Auto for example, in principle, both are named after the diameter of the cartridge; 9mm is the metric diameter and 380 Auto refers to 0.380 inches.
380 cartridge doesn't produce much recoil energy, you're able to exercise more control over your lightweight handgun than you would with a round like the 9mm. The diminutive Sig Sauer P238 is a tiny carry gun.
9mm is faster, and hits harder, and is generally held to be more effective... though it does produce more recoil in a pistol of equal size. The typical . 380 ACP load is a 90-grain projectile, with muzzle velocity somewhere between 900 to 1000 feet per second, and around 180 to 230 foot-pounds of energy.
No doubt, due to its advantage in velocity and energy, the 9mm Luger is the clear winner in terminal performance. But for the same reasons, the . 380 wins in shootability, with one caveat. Because the 380 has 94 percent less recoil (if fired from an equal-weight gun), it's easier to shoot.
Any gun may fire if dropped or struck. Step 1 - Contact us via email at LCPrecall@ruger.com or phone at 336-949-5200 and provide your name, address, the serial number of your pistol, your telephone number and the best time to call.
The Ruger LCP II in . 22 has a 10-round capacity. This is a lot larger than the normal six-round capacity you get in . 380 ACP versions.
Is the Ruger LCP hard to shoot?
The Ruger LCP II is definitely a concealed-carry firearm. This is not a gun you're going to take to the range to shoot for fun. It's very small, compact, and designed for concealment. Concerning the size of this gun, it isn't easy to shoot and it's .
Current FBI regulations stipulate that three handguns, the double-action-only Smith & Wesson 4586 in . 45 ACP, the Glock Model 22 in . 40 S&W, and the SIG P239 chambered for . 357 SIG, are approved carry guns for its field agents.
38mm Special offers low recoil when compared to the 9mm Luger. Bothe these cartridges have lesser recoil as compared to other cartridges like . 40 S&W. This video compares the recoil of common handguns including the 22LR, .
380 auto and 9mm ammunition are all the same caliber. (Caliber is the size of the projectile, or bullet.) The different names are for marketing reasons or because of where the cartridge was developed. The .
380 doesn't have much stopping power, making it a less ideal choice than the next step up the ladder, the 9mm. I've even heard people say that if you were to shoot an attacker with a . 380, all you'd succeed in doing is making him mad!