Glock Rwb Mag Glock 40sw 31rd These .40 Cal High capacity Magazines (31 Rounds) are high quality, non-factory Glock Magazines. SKU: Rwb Mag Glock 40sw 31rd Category: Accessories Related products John Rigby & Co Rigby Silentsling With Loop Ends AccessoriesQuick view icon John Rigby & Co Rigby Safari Belt AccessoriesQuick view icon John Rigby & Co Magnum Quick Load Leather Bullet Pouch AccessoriesQuick view icon Blaser Rifle Sling Dark Green AccessoriesQuick view icon