Best Glock 17 IWB Holster (Also Fits Glock 22, 31, 37) | Alien Gear Holsters
This guide details the installation and adjustment of the Alien Gear Holsters ShapeShift 4.0 IWB Holster for Glock models 17, 22, 31, and 37. It emphasizes safety, modularity, and user-configurable settings for optimal concealed carry. The expert instruction highlights features like adjustable retention, cant, and ride height, along with the holster's comfortable CoolVent Neoprene backing and secure Alien Skin texture.













