What is the largest caliber of ammunition that has been belted or linked?

What is the largest caliber of ammunition that has been belted or linked?

Is it the 40x46mm (belted) and 40x53mm (linked) for grenade launchers?

Has there been anything larger?

Without searching:
Soviet 57x348SR

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The largest that comes to my mind is the Russian naval 57 mm.

It is the AK-725 mount in 57x348SR:

https://weaponsystems.net/system/539-57mm+AK-725

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And the link for it:

http://www.eurolinks.fr/Links-belt-calibre-57mm_AK-725-57x348mm

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Ok, I checked back with a friend as I had one thing in mind.

The largest linked caliber I know of is the 76mm NS-76 aircraft gun. Only one ever built!

Interesting, I have never seen an image of a confirmed example of the link used by that gun. Do you have a picture?

Another large example is the link used in aircraft guns using the 57x350B.

hello
for Fede

what the 57x350B ? i don’t know this caliber

This is the RShR-57, one of the many Soviet experimentals. To list all the “unknown” ones here would take ages…

Not officially.

thank for your response

i find pic of theses RShR-57 ammo unnamed

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