New at RSR Group, Inc.: the ERGO Grip F93 Pro stock. This 8-position collapsible stock for AR-15/M16 comes with an overmolded length buffer tube, ambidextrous sling plate, and standard castle nut. Its compact design collapses to 8", and it weighs in at 1.3 lbs. You'll find this and other ERGO Grip products in the RSR Group, Inc. online catalog.