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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.


Anodizing / surface treatment disclaimer from Geissele for reference :

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
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