Tag: 201

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Operating Systems 201: Rotary Locking

We introduced you to the concept of locking in a previous one of our 201-level posts on how firearms work, and today we’re going to talk about what has become the most common locking mechanism for rifles: Rotary locking. If to lock an action, you need to create [Read More…]

This short-recoil operated SIG P220 uses a tilting-barrel locking mechanism. You can see how the slide is prevented from moving rearward by the front surface of the barrel in this image. The 1927 model Bang rifle, paradoxically uses the simpler and more advanced gas trap operating system!