And also... every ho-hum regular utilitarian part ever made out of aluminum. 6061 is like the most commonly used alloy you can buy. Calling it 'weapons-grade' is.. not the finest of marketing ideas, imo.
Well, I take that back. Regular Joes might be impressed, so maybe it's a great marketing idea since they're the majority. Anyone who knows anything about metals will think you're ridiculous though.