Webmay 22, 2024 · what sidearms exist in the arsenal of a u. s. Navy seals rely on extremely durable handguns like the glock 19, sig sauer p226, and hk45c. These pistols have replaced previous firearms used by navy seals, including the beretta m9 /. Webnov 29, 2023 · the navy seals, known for their rigorous standards and specialized missions, typically use the sig sauer p226 as their primary sidearm.