SIG SAUER ProForce MPX Upgraded Spring Guide
●Ball bearings for reduced stress
●Strengthed designed
●Smoother operation
The upgraded ball-bearing spring guide for the SIG SAUER ProForce MPX provides ease of mind with a steel reinforced body and reduced friction of your spring. Easy drop in installation for an immediate smoother operation for your gearbox.
■Brand: PROMETHEUS(プロメテウス)
■Compatibility: SIG SAUER ProForce MPX AEG
■JAN: 4571443178756
