Mostly agree with BL, it has its moments, but there many scenes that'll make you scratch your head in embarassment.
The scene with the dynamite tied to the villain's tied hands was the best indeed. Main problem is that Harrison's actions don't make much sense to me, if it was the gold that he was after, why did he have to kill them all ''one after another'' with so much passion? I felt that his 'revenge' wasn't really convincing throughout the film and the 'explanation' at the end made things rather worse.
The glasses are supposed to add something unique to the character, but to me it's simply a bad idea making Harrison look less cool without being used in an effective way, well expect maybe in one scene...
I did like the score though, pretty much in the Morricone style, but I liked it.
A simply OK SW, slightly above average without many surprises, if any at all. Not be re-viewed any time soon. 5.5/10