DPMS Lower Parts Kit for 223/556 Rifle, No Trigger Hammer or Grip - 60705. Start off your build the right way by getting a high quality Lower Parts Kit from DPMS! This LPK has everything you need to assemble your lower receiver except the hammer, trigger and pistol grip. It would make a great spare parts kit for your range bag. Precision machining and production ensure the correct component interface. High quality coatings and dimensional standards ensure the longest life parts. DPMS's Lower Parts Kit is everything you expect from outstanding precision built parts and components!