Testing .50 BMG in a Semi-Auto Shotgun
This guide details an experimental procedure for firing .50 BMG ammunition from a 12-gauge JTS-12 shotgun. It covers initial testing, analysis of fire-forming, and the use of a 3D-printed sleeve to improve the gas seal and projectile energy. The experiment, conducted by Brandon Herrera, highlights the challenges and potential dangers of adapting large-caliber rounds to undersized bores.











