These 80% AR-15 Lower receivers start as 7075-T6 forgings from the lead forge in the US and are fully machined to mil-spec tolerances. The operations left to be completed are as follows/ fire control group, trigger pin, hammer pin, trigger slot and the safety selector hole. This is a not an FFL item. This is not a complete receiver and still requires machining to be done. Machining Jig Available Separately.
Returns will not be accepted once the receiver is modified in any way.
AR-15, Issue:10, Page:007
Brownells Christmas , Issue:4X, Page:005
Big Book Catalog, Issue:67, Page:007