Eye of the Tiger (1986)

Buck Matthews (Gary Busey) is a former Vietnam veteran/ex-con recently released from the state prison. He returns to the small Midwest town where he grew up only to discover the place overrun by a large motorcycle gang bent on causing trouble. When the bikers murder his wife and traumatize his young daughter, Buck finds himself all alone. The corrupt town sheriff (Seymour Cassel) is unsympathetic and unwilling to help Buck (because the sheriff is under control of the biker gang leader Blade (William Smith). So, Buck decides to take matters into his own hands, With the help from a fellow Vietnam vet, Deputy J.B. Deveraux (Yaphet Kotto), as well as Buck's former cell-mate, a drug kingpin living in Miami, Buck arms himself to the teeth and wages a one-man war against the motorcyclists to destroy them once and for all.