Pro-mag - Ar-10 Lower Receiver Magazine Well Vise Block - Black, Polymer - PM245
$13.42
$19.99
Pro-mag
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-receivers magazine well, and is held in place by the magazine catch.