The Gear Locker conducted a review of Matrix QPQ Vietnam 20-round (80 BBs capacity) and Colt-marked 30-round (150 BBs capacity), evaluating their suitability for historical military simulation. The review encompassed capacity testing of both magazine types, examination of the QPQ finish on the 20-round magazines, a comparison of the magazines to stock and G&P magazines, and overall assessments of each model. The review aimed to inform viewers on the performance and characteristics of these magazines, addressing whether they represent optimal choices for historical milsim applications.