SIG Gas Magazine for SIG M17

Only Compatible with VFC/UMAREX/SIG AIR M17

Suitable for only Umarex / VFC / SIG AIR M17 GBB pistol 

Capacity: 21 rounds

Material: Cast metal + plastic extended baseplate

DOES NOT work with WE/AEG F17/18 

Only Compatible with VFC/UMAREX/SIG AIR M17