This AR-15 Carbine Stock Wrench Tool-Castle Nut Removal Tool is used to loosen or tighten the AR castle nuts that secure the collapsible buttstock buffertube to the receiver. The spanner buffer tube wrench is made of hardened steel and works with mil-spec castle nuts and GI locking rings found on most AR-15 variant rifles and M4 carbines. The handle doubles as a 1911 barrel bushing wrench.
If you need a three-point spanners and AR combo wrench tool for the new style Castle Nuts or AR barrels Get item number # TL-ARWR01
