The Desert Tech Quattro-15 with 53 Round Quad Stack Mag
This video reviews the Desert Tech Quattro-15 lower receiver, highlighting its innovative 53-round quad-stack magazine. The presenter details the lower's ambidextrous features and demonstrates how proprietary inserts can convert it to accept standard double-stack magazines. The system is tested for reliability, with the presenter concluding it offers a robust, high-capacity solution for tactical applications, addressing concerns about previous high-capacity magazine reliability.











