The stocks are offerd in black/blue and black/red Stratabond only.
The GRS models Berserk, Hunter and Sporter came with the new and updated GRS SpeedLock system in March 2017. For the time being, the GRS models Hybrid and X Eater will not be available for ordering with the new system. The GRS Bolthorn will continue as is, and will not be updated.
The current adjustment system for GRS X Eater has a 28 mm maximum LOP.
Same as for GRS X Eater