The U.S. has fielded the launcher as the M320. It’s a much more robust, dependable and easier to maintain weapon than the M203 and has the advantage of being able to be a separate weapon, akin to the old M79, as well as be attached to a rifle. But every one of my guys who had one on his HK had it removed within a very short span of time because it is a hefty beast and the combo, with all the gear added, weighs nearly 15 pounds.

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POTD: HK416N with Grenade Launcher in front of Royal Norwegian Air Force F-35A

Photo Of The Day and we have a guard ahead of the F-35A aircraft from the Royal Norwegian Air Force at Evenes Air Base during exercise Falcon Deploy 2021. The F-35A is a single-seat, single-engine, stealth, fifth-generation, multi-role combat aircraft ordered by several NATO allies.  The Heckler & Koch HK416N has a AG-HK416 Grenade Launcher.