But that is the brand that was asked about in the original OP (just trying to stay on topic)True, RRA I don't believe offers it.
Not seeing too many (or any) target barrel companies using that process.. . . cold hammer forging is superior to button rifling, or so many in the community believe - hence the use of the process by top end makers such as DD, BCM and even HK. If properly done, the barrels exhibit longer life and improved accuracy over their button rifled counterparts. . .
Perhaps it depends on the "community" to which you belong? I'm not an M4 guy, could care less about service rifle accuracy. I'm more looking for the type of accuracy from my guns where I can shoot dimes off a fencepost at 200 yards.