There is more than one group named Stryker.
1) The Canadian Heavy Metal band. Released a 4 track EP in 10' called Possessed By Heavy Metal.
Check them out here:
2) Stryker was a female fronted heavy metal band from the 80s.
Last known line-up:
Sarah - Vocals
Steve Maitland - Guitar
Larry Farmer - Guitar
Jerry Young - Bass
Lynn Baker - Drums
3) Stryker was an American power pop group in the 80s.
4) There is also a DJ that releases music under this name. Read more on Last.fm