A novel new hand grenade system creates a more powerful weapon by allowing multiple grenades to connect to each other. The Mark 21 Mod 0 grenade system, developed by Norwegian defense contractor Nammo, is designed for use by attacking troops against enemy positions, blasting them with concussive overpressure while posing less of a danger to friendly forces.
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Demand for ‘doomsday’ survival gear is spiking because of the coronavirus and other emergencies — here are the most popular items | Business Insider
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