Strike Industries Gen3 Magwell for Glock 17/22/31/34 Black One Size. 3 Magwell for GLOCK 17 their Gen 3 Magwell was designed to provide easier reloading of the magazine while adding a stylish look. Compatible with most aftermarket magazine base plates and extensions. (Aso compatible with G22 / G31 / G34) Not compatible with backstraps installed on the GLOCK frame. Specifications for Strike Industries Gen3 Magwell for Glock 17/22/31/34: Manufacturer: Strike Industries Color: Black Fabric/Material: Durable Polymer Gun Make: Glock Gun Model: Glock 17 Model Generation: 3 Condition: New Features of Strike Industries Gen3 Magwell for Glock 17/22/31/34 Unique design for tight fitment Improved Funnel Geometry for Easy Reloads Durable Polymer Construction Compatible with Strike EMP System's Form and Function Package Contents: Strike Industries Gen3 Magwell for Glock 17/22/31/34 1 G17 GEN3 Magwell 1 M2.5 Socket Head Screw What firearm models does the manufacturer say Strike Industries Gen3 Magwell for Glock 17/22/31/34 is compatible with? The manufacturer suggests that Strike Industries Gen3 Magwell for Glock 17/22/31/34 is compatible with Glock 17Strike Industries SI-G3-MAGWELL-17: Gen3 Magwell for Glock 17/22/31/34 Black One Size