25,000 to 28,000 pesos is a reasonable amount for a used ruger LCP
.380 ACP
.380 ACP is a specific type of ammunition made. 380 LCP is the name of a Pistol, made by Ruger which fires the .380 ACP round.
You will need to contact Ruger.
New, a basic model runs between about $250 and about #325 depending on where you buy it. Used, they usually go for about $200 in good condition.
Currently being sold.
ACP designates a cartridge desgined by Colt for their pistols- Automatic Colt Pistol. LCP is the name used by Ruger for a model of lightweight compact pistol. LCP
You will have to define what you mean by "popular". Do you mean by price? Do you mean by resale value? Do you mean by actual use? Do you mean with civilians, military or police? In the retail consumer market, the .380 that is currently selling the most often is the Ruger LCP, if that is what you mean.
It's like any non-plus P rated pistol. Can you do it? Yes. Should you do it? That's your choice. The LCP is NOT rated for +P and there have been instances of barrel burst incidents. Yet, there are also plenty of people who haven't had issues. Personally, I would stay away.
around 325 - 370 dollars. Check gunbroker.com. You can find them from $225 + up. New from $300.
100-330 or so
Ruger is the name of the company that made the pistol. .380 ACP is the cartridge size. ACP stands for Automatic Colt Pistol- part of the cartridge name, as some of the first of the .380 cartridges were made for use in Colt pistols..