KRISS VECTOR M4 STOCK ADAPTERFeatures Injection molded polymer construction Accepts commercial or MILSPEC buffer tubes Allows for use of M4 style buffer tube on your Vector NOT a folding stock adapter Color: Black The EMG KRISS Vector M4 Stock Adapter opens up a new realm of possibilities to customize your Krytac KRISS Vector Airosft AEG. In place of the traditional Vector Stock, this threaded adapter piece will accept any commercial or MILSPEC buffer tube for the addition of any