Brand: Mec-Gar MGSW5920B
Mec-Gar magazines are constructed from certified carbon steel and feature a heat treated housing and a high impact polymer follower and floorplate.
Specifications and Features:
Extended 20 round capacity
Carbon Steel Tube, heat treated for strength
Higher tensile music wire spring
Removable polymer butt plate
Fits all 59 Series S&Ws.