Nosler has announced a new round, the 26 Nosler. The 26 Nosler is a .264 caliber bullet aka 6.5mm. The 26 Nosler cartridge uses the Nosler 129gr Accubond Long Range bullet and fires it out at 3,400 fps at the muzzle. When zeroed at 350 yds, the 26 Nosler has a point blank range of 0-415 yds. They claim at 400 yards, the 26 Nosler retains the same velocity as the 260 Remington produces at the muzzle.
Here is the load data. More info to come as we see this round released to the public in the near future.