@BIWPlusEngineeringhub on Instagram: "“This Mechanism Prevents Full-Auto Firing 🤯” #techshorts #engineering#shorts #tech #triggeredinsaan This animation explains the engineering working principle of a semi-automatic firearm trigger mechanism. Learn how the hammer, sear, disconnector, and bolt carrier interact to allow one shot per trigger pull — and how this differs from full-automatic systems. This animation shows the internal firing cycle of a semi-automatic firearm using a trigger–hammer–sea