Forget double-tap, the free-float One Shot forend from Unique-ARS is all you need.
Compatible with any mil-spec 5.56 upper receiver.
Available in 7.25″, 9″, 12″ and 15″ lengths.
Full length integrated picatinny rail on top and M-Lok on the bottom.
AR15 Free-float handguard made of 6061 T6 Aluminum.
Inside diameter 1.55″, exterior diameter 1.80″.