Stock Status: ProMag Lower Receiver Vise Block
PM123 This vise block allows the user a "third-hand" to work on and install parts to AR-15/M-16 lower receivers. The vise block is clamped into the users vise, and the block is then inserted into the lower-receiver's magazine well, and is held in place by the magazine catch. Constructed of a black, injection-molded polymer, for years of service.
