This is a .577 Nitro Express rifle being fired. Now dont forget, there is also a .600 caliber Nitro Express, and the big kahoona, .700 Nitro Express ! All are British safari calibers. Still made and available to this day !! ...............................
................. However, Americans are always trying to beat everybody when it comes to bigger is better, no matter how unwieldy or expensive, or cumbersome it may be. It has to be made. So, they came up with this !!
.............................................................................................. And forget the chainsaw if you have a big bore Elephant rifle, a double rifle always puts down everything !! ...........