What is meant by a 'frozen cylinder' in firearm terminology?

A 'frozen cylinder' in firearm terminology refers to a situation where the cylinder of a revolver does not rotate properly, which can impede the weapon's function. This condition is often caused by mechanical issues or obstructions that prevent the cylinder from moving into alignment with the barrel to fire the next round. When a cylinder is frozen, it means that it is effectively locked in place and cannot advance to the next chamber, rendering the firearm inoperable until the issue is resolved.

Understanding this term is crucial for firearm users, as it emphasizes the importance of regular maintenance and inspection. Factors that could lead to a frozen cylinder include accumulation of dirt, debris, or even malfunctioning parts within the revolver's mechanism. Identifying and addressing a frozen cylinder is important for ensuring safety and reliability when handling firearms.

The other options point to different issues; for example, a cylinder that rotates too freely might suggest a lack of proper resistance or could indicate a different mechanical failure. A damaged cylinder that cannot hold rounds suggests a problem related to the integrity of the cylinder, while a rusted and stiff cylinder points to corrosion issues affecting movement but doesn't specifically capture the essence of 'frozen'.