The SMK Filling Probes Quick Fill Adapter is a brass accessory designed for filling air rifles, CNC machined to a high quality as standard. This filling probe is a convenient option for those looking to quickly fill their PCP air gun. With a threaded design or snap fit, this adapter ensures a secure and efficient filling process. Perfect for hunters and sportsmen, this accessory is a must-have for anyone looking to keep their air rifle filled at all times.