With the Krytac KRISS Vector GBB, prospective owners might want to use this Strike KRISS Vector Picatinny Stock Adapter which is already in stock... "The Strike Industries KRISS Vector Picatinny Stock Adapter is designed to seamlessly mount a 1913 Picatinny interface stock and/or stabilizer. This adapter is the perfect tool for a custom and secure fit. It features a precision-cut channel with included exact length set screws that effectively prevent any unwanted rotation. To ensure maximum stability, the adapter comes with a castle nut to secure it firmly to your Vector upper.

With its 2-slot Picatinny rail section, it provides optimal versatility. Quick and easy to install, this all-inclusive kit has everything you need to convert your Vector GEN 2.1 upper. Durability is a guarantee, as the adapter is machined from high-quality 6061-T6 aluminum, offering exceptional strength and longevity. Opt for the Strike Industries KRISS Vector Picatinny Stock Adapter to enhance the performance and handling of your firearm."