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A falling-block action (also known as a sliding-block or dropping-block action) is a single-shot firearm action in which a solid metal breechblock slides vertically in grooves cut into the breech of the weapon and is actuated by a lever.
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| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Falling-block action | related to Description | When | 0.60 | section |
| Falling-block action | related to Description | It | 0.60 | section |
| Falling-block action | related to Description | This | 0.60 | section |
| Falling-block action | related to Description | An | 0.60 | section |
| Falling-block action | related to Description | Rifles | 0.60 | section |
| Falling-block action | related to Description | M1870 Belgian Comblain | 0.60 | section |
| Falling-block action | related to Description | M1872 Mylonas | 0.60 | section |
| Falling-block action | related to Description | Sharps | 0.60 | section |
| Falling-block action | related to Description | Farquharson | 0.60 | section |
| Falling-block action | related to Description | Stevens | 0.60 | section |
| Falling-block action | related to Description | Sharps-Borchardt Model | 0.60 | section |
| Falling-block action | related to Description | Winchester Model | 0.60 | section |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.