The LG400 regulator bottom valve (ref. 17) is an original after-sales service part designed for the pressure regulator system of LG400 air rifles, widely used in biathlon and 10 m precision shooting.
This valve ensures stable and consistent air pressure regulation, which is critical for shot consistency, accuracy, and rifle reliability.
Recommended during maintenance, regulator servicing, or when pressure irregularities occur.
Installation by a qualified gunsmith is advised.
LG400 air rifle
10 m biathlon shooting
Precision air rifle shooting