Description
Plum Crazy AR-15 Improved Gen II Complete Lower Receiver with Buffer Tube and Collapsible Stock. Has an internal pocket radius in the GEN 2 design toward the rear of trigger which eliminated the back strap from breaking. Has a Reinforced water line on our receiver. They are impervious to gasoline, acid, acetone, kerosene and will not break after being dunked in liquid nitrogen and thrown onto a concrete floor.