GC1522

General Custer GC1522v2.1.1 an upgraded S&W 15-22 Lower Receiver Version 2.0 of my printable lower receiver for the Smith & Wesson M&P 15-22 platform. This version is based on the DS1913v2, and includes the use of front takedown pin standoffs and metal reinforcements from the Hoffman AR15 Super Lower. 04/22/24 (GC1522v2.1): A critical reliability concern […]