Umarex CO2 Magazine for Glock 17 Gen4 GBB — Black

Replacement CO2 magazine for the Umarex Glock 17 Gen4 GBB, with a capacity of 18 BBs. Designed for standard CO2 cartridges, it is the direct reference for anyone looking for a spare magazine or needing to replace the one that came with the pistol.

Having an additional magazine means you can reload CO2 and BBs separately, keep the original magazine as a backup, or rotate between sessions without interruptions. Compatibility is specific to the Umarex Glock 17 Gen4 GBB: this is not a universal magazine and will not fit different versions.

Key points

• Compatible exclusively with the Umarex Glock 17 Gen4 GBB
• Capacity of 18 BBs, identical to the original magazine
• Designed for standard CO2 cartridges
• Allows you to keep a loaded magazine ready for a quick change during the session