ZEV Technologies Pro One Piece Magwell Standard Models Glock 17/34 Gen 5. The one piece design facilitates easy installation and utilizes a single attachment screw to securely mount to the Glock frame while retaining a low profile. The ZEV Pro Plus Magwell was designed and tested for compatibility with standard capacity factory magazines as well as magazines fitted with ZEV basepad magazine extensions. It also incorporates a pass-through hole at the back for lanyard retention. Specifications for ZEV Technologies Pro Plus Standard Glock Magwell: Manufacturer: ZEV Technologies Color: Black Finish: Type 3 Anodized Fabric/Material: 6061 Aluminum Gun Make: Glock Gun Model: Glock 34 Gen 5 Glock 17 Gen 5 Model Generation: 5 Additional Features: Standard Models Included Accessories: Standard Condition: New Package Contents: ZEV Technologies Pro Plus Standard Glock Magwell What firearm models does the manufacturer say ZEV Technologies Pro Plus Standard Glock Magwell is compatible with? The manufacturer suggests that ZEV Technologies Pro Plus Standard Glock Magwell is compatible with Glock 17 Gen 5 Glock 34 Gen 5ZEV Technologies MW.K-STD-PRO-PLUS-5G: Pro One Piece Magwell Standard Models Glock 17/34 Gen