Cornelius Type Gas Post

The gas posts have a score/strike on them to identify them. A gas ball lock will only fit on a gas ball lock post. And vice versa for a liquid ball lock. 
Includes Ball Lock Post O-Ring
Does not include poppet

Cornelius Type Ball Lock Gas Post (Female Thread)
The gas posts have a score/strike on them to identify them. A gas ball lock will only fit on a gas ball lock post. And vice versa for a liquid ball lock. 
Includes Post O-Ring
Does not include Poppet