Quote Originally Posted by cali201 View Post
what is that "lump" under the gun for (south of the hand guard)? Actually pretty simple, put a small picatinny rail on the bottom of that and attach an ar foward grip
Funny you mention that, was looking on E-Bay today and found several likely candidates that fit a Pic rail. That "lump" is the fore grip. If you look down inside with the action removed, it's a hollowed out compartment with 3 reinforcement walls. Perfect for a Weaver or Pic rail...

Russ