Stratos BBU 2020 upgrade kit

Sets of upgrade parts for Stratos BBU -Glock

Package contains

• 7075 CNC made nozzle guide
• Piston cup for nozzle
• New nozzle valve
• High pressure O-ring for cylinder
• Textured slide back cover plate

This upgrade solves 2019 version’s:

nozzle guide damage, nozzle stuck caused by lack of lubrication, nozzle valve damage

problems and enhances blowback performance and gas efficiency.