Save 20% All these components add up to over $500 This is a complete kit minus an upgraded Handguard from Langdon or Briley. Includes a Magpul stock with Airdus Industries adapter. GG&G Charging handle, Nordic Components magazine extension tube, spring, follower, and barrel clamp with gasket to protect the barrel. Also includes and Airdus red dot mount with "U" shape open sight.