Traildust, sorry for a late reply but I have been away from the forum for awhile.
It is a two piece mount that clamps the groove and a rail on the scope. The split is down the length of the mount. I do not know the manufaturer as it came with the gun.
Okay, that's great, thanks for the reply and the info. I've been dragging my heels on getting a scope, and I think the time is right. I'll look into it further, and if I get a scope mounted I'll certainly update this thread with details and a photo.