HAO's HK416A5-OTB(Over The Beach) buffer tube for PTW now is available. 

(VFC/WE/KWA/RS/GBBR coming soon)

HAO's OTB stock is precisely CNC'd from 6061-T6 Alumium Extrusion bar, with Y-Axis milling turrent, we now able to turn the stock in super precision tolerance. 

Scanned from "Military Issued" OTB stock, you now can buy the one true correct dimension OTB stock which you can't buy in the civilian public market.

HK416A5 OTB Buffer Tube (Military-Issued)

  • A6061-T6 Extrusion
  • CNC turned 
  • Black/RAL8000 anodized
  • Multi spec available