Back to top
M577 (MTSQ Fuze)
The M577 is a US-developed, mechanical time and superquick (MTSQ) fuze, which is not fitted with a detonative booster, though it does have a small (0.25 g) high explosive lead output. Superquick impact functioning of the M577A1 is initiated by a point-detonating element (crush switch), which is present in its nose tip area. The M577 is known to be used with spin-stabilised carrier (cargo and cluster) projectiles, which includes 4.2-inch mor...
More information available for M577 (MTSQ Fuze)
Backed by subject matter experts and proprietary AI tools, METIS, our advanced OSINT system, delivers verified, timely, and reliable intelligence on conflict, post-conflict, and instability scenarios.
- Data is collected in multiple languages such as English, Arabic, Spanish, French, Russian, Ukrainian, Burmese.
- Thousands of highly-detailed technical records including munitions, platforms and CBRN agents curated by our subject matter experts.
- Heatmaps and charts which enable district, country, cross border and regional analysis.
- Search events by keywords, categories, locations, munition or platform designations and CBRN threat type.