The Ruger 19125 PC Carbine is a semi-automatic rifle chambered in 9mm caliber. The firearm features a 18.6" threaded and fluted barrel, and comes with a 10-round magazine. A notable feature of this model is its 6-position adjustable stock, which enhances its versatility for different shooters or shooting positions. The carbine also features a forward picatinny optic mount instead of an iron sight, providing the option to mount optics for better sighting. Additionally, it has an M-LOK compatible forward rail system for attaching other accessories. The receiver is made of aluminum alloy, and the handguard is a fully free float M-LOK type. A manual thumb safety is provided for secure handling. The carbine comes with a Magpul MOE stock which is known for its durability and comfort. The Ruger 19125 is praised for its performance and value, with users mentioning that it's a fun firearm to shoot, operates without stoppages, and delivers more than expected for its price.