Originally Posted by
super_hunt54
It's a gel/foam insert. It basically redistributes the recoil pulse over a larger area making the "felt" recoil much less.
Is it a gel/foam or is it possibly made using sorbothane?
Sorbothane is a top of the line product. We tested it years back pretty thoroughly for GM. Sorbothane product uses the minimal amount of material to eliminate shock, vibration etc.