I think you may mean Diana (Milbro) G34. It was my first air rifle and many years later I saw one stuck in the corner of Jeans Military memories (?) so it had to come home with me. There was an article recently in one of the airgun magz about its slightly bigger sister the G36.
HTH
Ian
http://smg.photobucket.com/user/Airs...ml?sort=6&o=28