This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Figurea Opening and closing the breech semiautomatic carrier breech operating mechanism. SlidingWedge Breech Operating Mechanism. en Opening and closing the breech semiautomatic carrier breech operating mechanism SlidingWedge Breech Operating Mechanism TM MAY HEADQUARTERS DEPARTMENT OF THE ARMY PDUSGov Gun breeches Uploaded