These are the Jig Sets for the 80 percent lowers.
Jig Set for AR-15 80 percent lower. Includes Plates, guide pins, drill bushings, and screws. Each plate is marked for step by step including depth for each plate.
AR-15 Jig Set Shown in picture. Ar10 jig set is similar setup however it is made for exterior dimensions of the AR-10.
Jig Set for AR10 80 percent lowers.