NcSTAR TAR User Manual
Page 13
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A4/M4 COLLPASIBLLE STOCK WRENCH
This 3 prong wrench is designed to remove and install A4 and M4
collapsible stocks. To use, open tool handle and rotate 180 degrees until the
handle is closed and the wrench is extended. Line up the prongs with the
indentations on the stock’s castle nut. Then slide the wrench over the castle
nut. Follow the firearm manufacturer’s instructions for proper removal and
installation of the stock.
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