Tube attachment

Intermediate part for interchangeable STX liner guns. Each caliber carries its own specific.

Part not in the production anymore. When out of stock replaced by Barrel attachment with inlet

FX 19960 - cal. 4.5
FX 19961 - cal. 5.5 replaced by FX 20842
FX 19962 - cal. 6.35
FX 19963 - cal. 7.62