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We don't make garbage or take some airsoft level's shit to ruin your PTW taste. We make as much as everything to meet our top customers quality standard.

HAO's M27 kit for SYSTEMA is include:
*Alloy 7075-T6 billet M27 receiver with USMC Matrix stickers.
*16.4" steel gun drilled barrel with correct marking.
*Steel 4140 M27 bayonet lug milled by 4 axis CNC.
*SUS304 Gasblock with piston
*Steel 4140 made RS spec barrel nut(1/2-28RH)
*HAO's fully replica M27 16" 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:!product-page/cg7d/1a4118ac-a921-b8f7-32a9-2d81e15e96e8




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 :

M27 Conversion kit for PTW

    • CNC drilled Alloy 7075-T6 billet Upper
    • CNC drilled Alloy 7075-T6 billet Lower
    • SUS304 gas block & gas tube
    • CNC lathed, Gun drilled 16.4" Light profile Steel barrel
    • CNC lathed Steel barrel nut
    • CNC lathed Steel bayonet lug
    • CNC drilled Handguard (SMR/Standard Quad)
    • Polymer dust cover (Steel cover areavailable on the request)
    • CNC drilled Trigger guard
    • CNC lathed Decoration pins
    • CNC lathed  Steel Flash hider knobs
    • CNC lathed Steel Assist knob
    • CNC lathed, drilled Takedown pins
    • CNC lathed, drilled HAO's HK416 style ambi selectors
    • CNC lathed HAO's SUS304 buffer stopper
    • USMC Matrix code sticker
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