S&T STSR1 - HopUp Unit (Set 1)
Other interesting articles:
Genuine S&T part - HopUp chamber for the S&T STSR1
Includes part numbers: L19, L20x2, B07, C16, C15, X15, T07
Includes part numbers: L19, L20x2, B07, C16, C15, X15, T07



