Last updated on February 22nd, 2026 at 08:29 pm   Will The Panzer M4 Fail The 500 Round Burndown?     Let’s Burndown the Panzer M4 and Test some Cheap Semi Auto Shotguns. Specifically the Panzer Arms M4 vs Benelli M4.     Scroll Down for Complete Parts & Specs List         … Continue reading Will The Panzer M4 Fail The 500 Round Burndown? (Video)