The Reprisalizer

Many fans of the genre think that the men's action adventure books were essentially an American phenomenon -- not so. As mentioned, there was the seriously deranged SABAT series of book in the "Satansploitation" sub-genre.

For a look at Britain's version of a tough urban vigilante, check out this website dedicated to Terry Finch's THE REPRISALIZER.
And of course, anybody that thinks British people can't be tough never saw THIS show.