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- HK factory MR556A4 upper
- HK lower parts kit and buffer system ( with standard main pins )
- STS billet lower receiver
- M27 RWK quad rail NS marked hand guard ( clone version )
- KAC style ( clone ) flip up sights
- HK stock
- HK 416/M27 grip
- KAC flash hider ( this is the correct FH for this build and will be included with the "factory birdcage" option )
- 416A5/A4 HK adjustable gas block
- Standard HK factory trigger
- Tactical carry bag and accessories
- Anodized upper and lower receiver ( NOT Duracoat or Cerakote )
- Laser white marking model name, upper markings, USMC, etc...
- Third position/full auto marked
- 11″ CHF HK barrel
- Factory adjustable gas block
- Barrel extension, full auto bolt tab / stopper removed
- Upper receiver machined with full auto relief cut
- M16 trigger pocket shelf machining completed
- Although “sear ready” This firearm is semi-automatic only