Kinetic Magazine Weight (5 1/2) Ruger this end cap’s non corrosive

this end cap’s non corrosive piston prevents seizing

Ballistic Specialties Beretta 391 End Cap Maintenance Tool

but the attraction may prove fatal

Includes Gas Piston Bushing and Gas Piston Bushing Snap Ring

Kinetic Magazine Weight (5 1/2) Ruger this end cap’s non corrosiveBallistic Specialties Kinetic Magazine Weight is CNC machined solid from aluminum bar stock, the Kinetic Magazine Weight is factory weighted and when installed, is closer to the center of balance while still reducing muzzle jump and recoil. Concealed in the magazine tube. It provides full shooting benefits while also working as a magazine plug. Available in either 12 gauge or 20 gauge.