HAO's M27 IAR conversion kits for Marui MWS are CNC machined from an Alloy 7075-T6 billet which is as same material as real firearm. In this model of HK416 for the Norwegian Royal Army , you will have 16.4" one piece steel gundrilled barrel end with 1/2-28RH thread, Full RS spec 416N spec quadrail, Full RS spec steel made barrel nut and 416D type Castle nut ,Hydraulic pressed Enhanced Ambi sling end plate, Plastic-polymer injected V7 grip for GBB , CNC turned OTB buffer tube and totally different design of 5 axis machined gasblock for Norwegian armed forces.


This time we also bring you out the 6061-T6 MWS bolt case (Ecoline) with Hard Anodizing 

Matte Black HK& G style BCG for your choice !
Check& Buy here: 


HAO's 416N kit for MWS is include:
*Alloy 7075-T6 billet 416N receiver.
*16.4" steel gun drilled barrel with correct marking.
*Steel 4140 416/N bayonet lug milled by 4 axis CNC.
*CNC 5 Axis machined 416N Steel gas block with piston
*Steel 4140 made RS spec barrel nut(1/2-28RH)
*HAO's fully replica 416N quad rail with welded set and anti loosen function, radius corners on all piccatiny rail and CORRECT screw.

*Notice:16.4 "Steel barrel is end with 1/2-28RH thread which is RS spec thread and standard equipped. You could directly buy the muzzle brake from us or buy the RS one or select additional Light weight barrel package which is 14mmCCW(Airsoft) only for $65.

Muzzle Brake:




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.

HAO 416N Conversion kit for MWS GBBR

SKU: H10
  • CNC drilled Alloy 7075-T6 billet Upper
  • CNC drilled Alloy 7075-T6 billet Lower
  • CNC 5 Axis machined 416N Steel gas block & gas tube & gas tube
  • CNC lathed, Gun drilled 16.4" Steel barrel
  • CNC lathed Steel barrel nut
  • CNC lathed Steel bayonet lug
  • CNC drilled Handguard (416N Quad)
  • CNC lathed Decoration pins
  • CNC lathed  Steel Flash hider knobs
  • CNC lathed, drilled Takedown pins
  • CNC lathed, drilled HAO's HK416 style ambi selectors
  • USMC Matrix code sticker
  • CNC lathed OTB buffer tube
  • CNC lathed 416 ambi charging handle 
  • Hydraulic Pressed 416A5 Enhanced Ambi Sling End Plate