User blog comment:JoeRamirez/Call of Duty Modern Warfare 3 Weapons Wishlist./@comment-97.95.249.158-20110612151625

I'm pretty sure that if the SCAR is included it's going to be the SCAR-L rather than the -H. Looking at the leaked multiplayer guns from Kotaku shows a SCAR model with "5.56x45" stamped on the side, the type of cartridge used in the SCAR-L (the SCAR-H uses the larger 7.62x51 cartridge).