The new and improved GEN 2 80% AR-15 Lower Receiver jig is the highest quality lower receiver jig on the market. Three top plates allow you to mill the fire control group. The side plates are fitted with a drill bushing to allow you to properly drill the trigger and hammer pin. 80% Lower Receiver Available Separately.
AR-15, Issue:10, Page:007
Brownells Christmas , Issue:4X, Page:005
Big Book Catalog, Issue:67, Page:007