Strike Industries Glock Extended Magazine Floor Plate Black One Size. The Extended Magazine Plate (EMP) provides an additional +5 rounds to any G19 GLOCK magazine. Included is their special steel locking plate which compared to other magazine extensions on the market features a hook design which adds extra locking security to increase reliability when fully loaded with rounds. Specifications for Strike Industries Glock Extended Magazine Floor Plate: Manufacturer: Strike Industries Color: Black Fabric/Material: Steel Polymer Magazine Capacity: 5 Round Caliber: 9mm Luger Gun Make: Glock Gun Model: Glock 19 Condition: New Features of Strike Industries Glock Extended Magazine Floor Plate Plus 5 round capacity for 9mm Low drag/No snag design Impactresistant polymer Includes Locking steel plate Package Contents: Strike Industries Glock Extended Magazine Floor Plate 1x Magazine Plate Extension for GLOCK G19 1x Extended length spring 1x Steel locking plate 1x Steel locking plate set screw What firearm models does the manufacturer say Strike Industries Glock Extended Magazine Floor Plate is compatible with? The manufacturer suggests that Strike Industries Glock Extended Magazine Floor Plate is compatible with Glock 19Strike Industries SI-EMP-G19: Glock Extended Magazine Floor Plate Black One Size