The stocks are offerd in black/blue and black/red Stratabond only.
The GRS models Berserk, Hunter and Sporter come with the new and updated GRS SpeedLock system from March 2017. The GRS models Hybrid and X Eater will be available for ordering with the new system from the end of May 2017. The GRS Bolthorn will continue as is, and will not be updated.
The new adjustment system locks on the maximum LOP of 30 mm. The current adjustment system has a 28 mm maximum LOP.
Same as for GRS X Eater