SpaghettiWestern.net gives it high praise: "It is a wonderful film from start to finish and is a testament to what can be achieved in genre film making with the right personel and the right approach. It is, in short, a 5 star film." Senses of Cinema concludes a glowing consideration with this:
Whether we take Sollima’s masterpiece as a great political comment on the times or as one of the most endearing, action-packed spaghetti western films of the 1960s, one thing is sure: with The Big Gundown, Sollima places himself at the side of masters Leone and Corbucci...Rotten Tomatoes has a consensus audience score of 85%.