Streyr SSG Carbon uses carbon fiber stocks. The carbon fibers are made from sheet molding compound. This supposedly helps with recoil dampening as well.
Calibers are .308 Win, with future plans for .243, .300 Win Mag, and .338 Lapua Magnum
https://www.youtube.com/watch?v=yVhmsSo7U-s
From: Guns.com
