Brownells AR-15/M16 Magazine Feed Lip Tool

The Brownells AR-15/M16 Magazine Feed Lip Tool is a gunsmithing tool designed to inspect, measure, and adjust magazine feed lips on AR-15 and M16 pattern magazines. Properly set feed lips are critical for reliable feeding and overall magazine function. This tool allows gunsmiths and shooters to identify out-of-spec feed lips and restore them to correct dimensions, helping extend magazine life and maintain reliable performance.