HDR- the "HAO's Designate Rifle " is HAO's latest skeletonized style receiver . New Dark Grey anodized color!



CNC machined from an Alloy 7075-T6 billet which is as same material as real firearm. Featuring with the ambi funtion we learn from making our masterpiece- 416A5 kit, to bring the ambi setting into this lightweight style receiver set.


#FullHAOS ! 


*Optic sight,Geissele Mount not included 

Term Of Use:

All products sold by HAO are intended for Airsoft use only. Other uses are prohibited. Any modification including painting, marking or wiping the cover/instruction stickers is prohibited, and may be a violation of law. Customers assume full legal liability for any modifications they perform, absolving HAO of any responsibility.

HDR Complete kit for PTW

  • CNC drilled Alloy 7075-T6 billet Upper
  • CNC drilled Alloy 7075-T6 billet Lower
  • CNC 5 machined BD style gas block & gas tube
  • CNC lathed, BD style 16", 14mmCCW alloy barrel
  • CNC machined HK416 Ambi-Charging Handle recoil Full system
  • CNC lathed alloy barrel nut
  • CNC drilled/lathed 13.7" FLR handguard
  • CNC drilled 416A5 Ambi bolt catch
  • CNC drilled 416A5 Ambi mag release
  • Hydraulic Pressed 416A5 Enhanced Ambi Sling End Plate
  • CNC lathed HAO SPQR Lightweight Stock
  • CNC lathed,drilled BD style Steel Black Takedown pins
  • CNC lathed,drilled BD style black ambi selectors
  • CNC lathed 416F style muzzle brake
  • Plastic Polymer injected Black V7 grip 
  • HAO's Advanced SUS303 Cylinder- M90