All About Guns The Green Machine

Why did the M203 grenade launcher get replaced by the M320 grenade launcher? Is it because you can use the M320 as a standalone launcher? by Paul Adam

One reason the M203 was replaced by the M320 was the loading method.

The M320 swings to the side to open, as seen here:-

The M203 slides the launcher forward to load, which limits the length of any grenades you can load into it.

The variation in grenade length can be seen here:-

The shortest “standard” round would be easy to load into a M203, the longer pair would be manageable (about the size of some smoke/flare rounds) and the longest – looks like a fragmentation grenade with longer payload section – wou

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