Hill SMG/Pistol: Inspiration for the FN P90
This video provides an expert-level overview of the Hill SMG/Pistol, a precursor to the FN P90's feeding system. It details John L. Hill's design innovations, including the horizontal magazine and downward ejection, and discusses its development, testing, and eventual production by H&B Enterprises. The analysis highlights the design's influence on later firearms, particularly the P90.





