Top Shooter SIG SAUER M17 / M18 GBB Hop Up Chamber Set (Aluminum)

The Top Shooter Hop Up Chamber Set is an aluminum constructed hop up chamber designed to be a drop-in fit in SIG AIR P320 M17 / M18 series gas airsoft pistols. This hop up chamber can hold better zero due to the sturdier materials used and can be a good replacement from stock.

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Compatibility:

• SIG AIR P320 M17 / M18 Series Gas Airsoft Pistols

Includes:

• x1 Top Shooter SIG SAUER M17 / M18 GBB Hop Up Chamber Set (Aluminum)