SI Gas Block

The New SI replica gas block has arrived at our store!

This new gas block unit has the SI logo etched on the left side of the gas block unit. Built in lightweight metal and having a skeleton-like design for a gas block, this unit is meant for those who like to have a fast reaction with their preferred blaster.

This unit is also suitable for those who still need to complete the SI look on their gel blaster.

Blaster compatibility: M4 Gel blaster unit

Colour: Black, Blue and Red ONLY