Wheeler 156-888 Delta Series AR Hi Rise/Picatinny Rail Vise Block
This innovative Wheeler Delta Series AR vise block is designed to securely hold basically any AR upper receiver. By reversing the direction it will secure most AR-10 style uppers in the same manner. In addition it will secure any Pic Rail on a hi-rise, standard flat top or many other integrated rail guns by sliding onto and clamping the rail. Secures hold essential for removal and installation of stubborn barrel nuts as well as a variety of other tasks.