ULTIMAG G19 - 16-round 9x19mm magazine capacity. Product Advantages:16 round 9x19mm capacityTwo enclosed floor platesConcealable base plate installed; tactical floor plate includedVisual indication of even rounds from 4 to 16No tools needed for disassemblyMulti-textured surface for enhanced gripImpact and crush-resistant reinforced polymerMultiple colors availableAlso available in limited 10-round 9x19mm capacity (ULTIMAG 1910R)Compatibility:Glock 19 Handguns