M4 CUSTOMIZED UPPER PLUS LOWER RECEIVER SETS
● Upper & lower receiver sets, aluminum alloy made originally from GHK, customized engraving and Cerakote coatings surface treatment.
● We made limited quantity special receiver until all sold out.
1) COLT M16A1 / MK-18
2) COLT M4A1 / BLANK
● Cerakote H- Series coatings are durable corrosion-resistant and provide unparalleled levels of hardness and adhesion. These coatings are also resistant to most solvents and chemicals. The foundation for Cerakote H-Series coatings is a unique ceramic technology that imparts both flexibility and excellent wear resistance to the final coating.