Current Rifle Cartridges
8mm Remington Magnum
The huge 8mm Remington Magnum was introduced in 1978 for the Model 700 (BDL) bolt-action rifles.
The cartridge is based on the 375 H&H cartridge, blowing out the case for more powder and widening the mouth
to accept 8mm; however, it will work in a standard action rifle, which  is unusual for a belted magnum of its large size.
The cartridge puts out up to 4,150 foot pounds of  energy, with a 200 grain projectile able to travel at over 3,000 feet per
Please note in picture (below Center. Left of the 2 cartridges: Left is  the 8mm Remington Magnum vs. Right is the 375
H&H  for Holland & Holland