Originally Posted by VTX
so if you put a hammerhead on you would have the same thing to hold on to, nothing as its facing back
What? You grab the hammerhead.
Configuration 3 allows you to get your thumb over the top. Configuration 4 doesn't allow your thumb over the top but you can still use your other 3 fingers wrapped around the bottom.
Are you just trolling or something now? You're commenting on things and making silly statements and it's like you've never understood how to grip a "traditional" stock on a bolt action hunting rifle.
Compare that to the SRB image I posted above. If you still can't figure out the difference...