That's a Model 6100 which was indeed a Diana 45. The 6300 and 6500 were Anschutz 333 and 335 respectively.Don R.[/quoteThat's my understanding also. I've had a D45 for a while. Just got the Crossman 6100 Challenger. Crosman has a lot nicer stock. Guy chopped the barrel to 15 ". Said he re-crowned it. It grouped about 1" at 25 yards. It's at the gunsmiths being re-crowned. I had three other rifles that day.They were one holin' to holes touching
I found it by searching ebay for 'crosman challenger' - quite straightforward.Don R.
My RWS model 45. Did it look anything like this?