Ruger LCP series of pistols has been serving shooters for years in a number of configurations for concealed carry protection and training.
Ruger® LCP® II Centerfire Pistol Models
Ruger LCP: Lightweight Compact Pistols for Protection and Training
Ruger LCP MAX 380 Pistol Rose Gold 13719
Ruger LCP 22 Review: The best 22 for self defense?
Lite Rack™ LCP® II in .22 LR
Ruger LCP II Review: The Best Pocket Pistol? - Pew Pew Tactical
Ruger Breaks New Ground with LCP Max 380– Bravo Concealment
Ruger Concealed Carry Family of Guns - Inside Safariland
Ruger LCP: Lightweight Compact Pistols for Protection and Training