Makes installation of the M16 pivot pin and its detent faster and easier. Prevents loss of detents. Guides detent and spring into place and serves as a slave pin when installing the pivot pin. Mfg: Brownells SPECS: Blued steel. 1/4" (6.3mm) diameter. 2 1/2" (6.3cm) and 1 1/2" (3.8cm) long X"XlegsX"X.
