Gunsmithing Help me identify these parts, machine gun?

[Sonic Crack]

need some help identifying these parts. I'm thinking they are some kind of clip for ammo can ect. Not sure on for what make of gun, SAW,PK/PKM? Trying to figure out what its worth also. Any help will be appreciated

 

[NGreen]

It's an ammunition adapter for a M240. Lets you attach cloth bandoliers to the feed tray. Long Mountain sells them for about $110, so if you can find someone with a 240, you might be able to sell it.

 

[NGreen]

Here's a link... http://www.longmountain.com/store/m...Number=&searchPriceRange1=&searchPriceRange2=

 

[Sonic Crack]

It's an ammunition adapter for a M240. Lets you attach cloth bandoliers to the feed tray. Long Mountain sells them for about $110, so if you can find someone with a 240, you might be able to sell it.

Yeah id say thats right, thanks for the input