A3 Industries Cap For A3 Industries Vertical Grips Fits 2.00in Short Grips. While not a necessary addition these caps seal off the bottom of the grip and provide a more finished look if desired. The grip can then be used as a storage area for batteries allen wrenches etc. Injection molded from polyethylene these caps simply pop in place. 3 sizes available depending on grip used see sizing guide. Specifications for A3 Industries Cap For A3 Industries Vertical Grips: Manufacturer: A3 Industries Color: Black Finish: Black Gun Make: Universal Gun Type: Universal Gun Model: Universal Material: Polymer Fabric/Material: Polyethylene Length: 16-Jan in Weight: 0.5 oz Mount: Snap-Fit Grip Angle: 90 degrees Features of A3 Industries Cap For A3 Industries Vertical Grips Light weight and economical upgrade Simple installation Cap turns grip into storage compartment Package Contents: A3 Industries Cap For A3 Industries Vertical Grips A3 Industries GP-101: Cap For A3 Industries Vertical Grips Fits 2.00in Short Grips