A Better M16? The HK416 Assault Rifle

900 rounds per minute – 10 magazine dumps in a row on full auto – AND the bolt is still cool to the touch? The HK416 uses a piston system, supposedly making the rifle cleaner and cooler. Incredible video! Don’t miss the torture tests near the end.

Where do you weigh in on the gas impingement vs piston system debate?

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