The Kel-Tec SUB2000 Featureless Kit for the SUB2000 Gen 3 (9MM Glock Configuration) is designed to help you stay compliant with onerous state infringements, while preserving the functionality and compact design that make the SUB2000 a favorite among firearm enthusiasts. This kit includes a grip fin and a non-adjustable stock. The non-adjustable stock is identical to the original only it's permanently fixed at it's longest adjustment.The Generation 2 kit can only be used on the 2nd gen SUB2000.The Generation 3 kit can only be used on the 3rd generation SUB2000 configured for 9MM Glock (GLK) magazines.