How Semi-Automatic Rifles Work: Step-by-Step Action Diagram #3381468 (License: Personal Use)

This diagram demonstrates the mechanical sequence of a semi-automatic rifle: Step 1 shows the bolt closed and ready; Step 2 depicts the bolt moving rearward to extract and eject the spent casing while compressing the recoil spring; Step 3 illustrates the bolt returning forward under spring pressure, stripping a new round from the magazine and chambering it; Step 4 shows the bolt locked and ready to fire again. The red arrows indicate direction of bolt travel during cycling.

Used in firearms education, gun safety courses, technical manuals, and online guides for shooters learning weapon operation. Matches user intent for understanding firearm mechanics, troubleshooting malfunctions, or comparing action types (e.g., semi-auto vs. bolt-action).