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.
Delayed blow back breech with locking rollers. Delayed blow back breech with locking rollers en svg delayed blowback breech for automatic weapons that uses locking rollers beweglich abgesttzer Rollenverschluss fr automatische Waffen own Rollerdelayed blowback
Page 2023 Free-images.com. All images are Public Domain