Re: What is the fastest cartridge?
Thought that Weatherby, on some earlier tests performed for the US military, using 300 Weatherby mag or 378 Weatherby mag brass, necked down to 22 cal., pushed bullets beyond 5000 or possibly 6000 fps. Heard that at that time they had problems with bullets holding together. Have also heard of 50 BMG brass necked down to 30 Cal. The rifle at that time was called "America" or American, or something like that. That was in the mid to late 80's. Still have the pictures of it in my head.
Portate bien o te lleva el cucuy