This combo includes a vise block to hold the lower receiver (5.56 lowers) for maintenance/cleaning etc. it also includes a upper vise block for use on uppers for both 5.56 or .308 patterned rifles (see photos) Perfect for cleaning and/or installing lights, lasers, optics, hand-guards, barrels etc. Use the upper vise block in the sideways orientation for barrel nut installation (see photos) Threads are 12-24NC should you want to use your own hardware but includes 4x threaded retaining pins to hold uppers in place. Price includes shipping.
