Using blowback operation, the design can be simplified, and lowered in cost a locking mechanism is unnecessary, since the mass of the slide and strength of the recoil spring are enough to absorb the recoil energy of the round, due to the round's relatively low bolt thrust. These relatively low-powered designs were intended for blowback pistols which lacked a barrel locking mechanism, which is often required for any handgun firing a round more powerful than a.
380 ACP was designed to be truly rimless, and headspaces on the case mouth instead of the rim for better accuracy. 38 ACP design, which was only marginally more powerful. 380 ACP cartridge was derived from Browning's earlier. 380 ACP does not strictly conform to cartridge naming conventions, named after the diameter of the bullet, as the actual bullet diameter of the. 380 Auto, 9×17mm, 9mm Browning, 9mm Corto, 9mm Kurz, 9mm Short, and 9mm Browning Court (which is the C.I.P. It was introduced in 1908 by Colt, for use in its new Colt Model 1908 pocket hammerless semi-automatic, and has been a popular self-defense cartridge ever since, seeing wide use in numerous handguns (typically smaller weapons). The cartridge headspaces on the mouth of the case. 380 ACP (9×17mm) ( Automatic Colt Pistol) is a rimless, straight-walled pistol cartridge developed by firearms designer John Moses Browning. Test barrel length: 3.75 inches (95.3 mm) 380 ACP pistol cartridge by Sellier & Bellot. Very few 38 spl rounds will perform properly when shot from snubs.A. Much easier to shoot in the SP101 but the round will expand and meet FBI protocol with the snub barrels. I do occasionally carry a J frame also loaded with 38 spl +P but it has considerable recoil. When I can, I carry a 9mm pistol or 38 spl +P in a Ruger SP101 357. The 9mm is undoubtedly a superior cartridge but for pocket carry the 380 is hard to beat and is my main hot weather carry. There are a lot more choices for reliable ammo in 9mm but you still have to watch it with 3" barrels.
For me, it is purely for defense but I only carry XTP's which are totally reliable in my pistol. Up close and frontal that would probably be sufficient.
The rest if they reliably expand will penetrate 8"-10". The XTP uses limited expansion to get the 12"+ penetration. In the short 3" or less barrels the only HP that meets FBI criteria is the XTP which is loaded by several companies. I have a Sig P238 in 380 and several 9mm pistols.
380in a medium-sized frame is just right.Ģ1' is the most usually mentioned distance but in reality the majority of defensive shootings will probably be 10' or less. If you are a frail 5'10" at about 130 pounds, then a. If you are 190 pounds and 6' tall, then a 9mm might work for you. If you dont hit your target, the caliber is irrelevant - other than income for the lawyers. It is also the same round I shoot regularly: train with what you are going to use. It all gets down to what you expect of the round. To me, it offers a great balance of size of round/power and conceal-ability and comfort in both carrying and shooting. It depends on the circumstances, of course. 380 - followed by eight or nine of it's closest friends. 380 that I practice with regularly, in a pistol that is very comfortable to shoot often. 380.Ĭ3 brings up some good points but, in the end, it is a function of what you're willing to carry and - most importantly - what you're willing to train with.Ī 9mm pistol - such as the LC9 - that you're unwilling to practice with on a regular basis because of the discomfort it provides, will help with the "get off me" scenario, but you'll have a tough time in other scenarios. The difference is in the size of the cartridge.Įndless debate, but I'd have to admit the 9mm parabellum is more potent than the 9mm Kurtz (aka.
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