This Barra air rifle kit is perfect for enthusiasts looking to upgrade their shooting experience. The kit includes a spring-piston mechanism that ensures accurate and consistent shots, making it ideal for target practice and hunting. The caliber is .177, and the ammunition type is BB, which are compatible with a wide range of air rifles. The brand is Barra, and the kit is manufactured in China. It comes with all the necessary components to build a functional air rifle, including the spring-piston mechanism, barrel, and front sight. This kit is perfect for anyone looking to take their shooting skills to the next level.