My grandfather left behind some firearms when he died and my Uncle gave them to my Brother and I over the last few years. My Grandfather worked for Colt and The story we were told was that one of the rifles was a prototype Coltsman chambered in 300 H&H magnum. Its a sweet rifle but I know absolutely nothing about them. I was just reading they were made by Sako. I'm not doubting the prototype story that goes with the gun, but I am wondering if there is any production info out there to read. Any ideas where I might begin?