anyone knows this cowboy westren movies name?

Question

there was a movie in which hero used to go places with a coffin roped with him, he hides a machine gun inside it

i think it was a movie of clint eastwood or john wayne but i dont remember i had seen it wen i was kid, so please help me

Answer 1

The only one I can find is a movie called Django.

Could be Clint Eastwood's "A Fistful of Dollars", "The Good, The Bad and The Ugly", "Man with NO Name".

Answer 2

I think it was "Rooster Cogburn",the follow up to "True Grit",he uses a Gatling gun on a river raft.