USED Killer Innovations Velocity For Glock 17 Magwell Poly 80 Frame Only Black GLKMW374BLK. If you're looking to spice up the look of your Glock 19 or Glock 17 you can't go wrong with the Killer Innovations Velocity Glock Magwell. The Velocity Magwell has a slim profile so that your handgun is still concealable but has a distinct flare for excellent grip and recoil control. Plus Killer Innovations designed this magwell to work with the factory Glock backstraps so you don't need to invest in other parts to install it. And since it is made from billet aluminum it is lightweight and durable. Grab a Killer Innovations Velocity Glock Magwell today Specifications for Killer Innovations Velocity Glock Magwell: Manufacturer: Killer Innovations Finish: Anodized Fabric/Material: 6061 Aluminum Gun Make: Glock Model Generation: 4 3 2 1 Features of Killer Innovations Velocity Glock Magwell Compatible with: Poly 80 g17 Models PF940V2 PFS9 Works with 10 round mags Not compatible with Gen 5 Package Contents: Killer Innovations Velocity Glock Magwell Magwell Universal Magwell Plug Set Screw Installation Screw What firearm models does the manufacturer say Killer Innovations Velocity Glock Magwell is compatible with? The manufacturer says that Killer Innovations Velocity Glock Magwell is compatible with Glock 17 Glock 19Killer Innovations GLKMW374BLK: Velocity For Glock 17 Magwell Poly 80 Frame Black