found this seems like a 1.5x308 barnes I wanted to build or a 30 bench rest I like it though if it lives up to the velocity gains. unlike the 6.8 spc that remington has droped.
Remington Introduces new 30 Remington AR Cartridge AccurateShooter.com Bulletin
if this round becomes avaliable im building one. any .308 bore could be rechamberd