It's the last day of 2019 You'd better leave the burden in the old year. And, we have done that for you. We cut the sling loops of 416'...

RBR is HAO's latest innovation in 2019. CNC machined from an Alloy 7075-T6 billet which is as same material as real firearm. This time we...

Before the holiday here we bring you the whole gang of Alloy barrels ! The L119A2, MK16, M4A1 socom barrel all in alloy L119A2 Alloy...

Have you seen the new CBS seal team Season 3 ? All the coolest boys in the school is now running the 14.5" 416. Sure we HAO are here to...

Haven't update our blog for a while. Here's something new before the little holiday here. HAO G-style T1 mount. Co-witness height, same...

As you might already know that HAO is a company which dedicate making " RS spec" parts. So do our MK16 M-Lok handguard. Some customers...

We said we are busy making new stuff. Not just L119A2 and MK16 handguard , there're more coming. Here is the G style gas block to make...

After months of hard work. HAO bring you all SAS lovers the most desired PTW - L119A2 full kit . It have almost everything you need to...

MK16 update! We just made the Black colour and PN code version this time . Also, the barrel nut for GHK V2 GBBR, which allows you to...

Good day. We have bring back the 45° mount Black in stock again with new engraving profile . You can find them in the "Accessories ->45°...