DISCLAIMER: This is an Item or Assembly for sale that might have a rough appearance due primarily but not limited to milling, dents, scratches, uneven finish and missing or poorly applied stenciling. Any defect to the appearance of the item or assembly sold does not affect its function.
The flat top M4 Mil-Spec upper receiver are forged CNC Machined from 7075-T6 Aluminum, the hardest and most durable material of any upper! To ensure even more strength they are Mil-Spec Type 3 hard coat anodized.
The barrel is made from the most durable material in the barrel world, 4150 Chrome Moly Steel. This barrel features a Phosphate Coating to increase durability and reduces wear & tear! It features a gas impingement system operating at the rifle length & 1:8 twist. Nothing is overlooked on this barrel, it is even head spaced twice from the manufacturer for reliability.
The 15” Keymod by Hera is engineered and manufactured in Germany. This modern designed rail is made from Airplane grade Aluminum! The rails are then hard coat anodized to improve the strength. To top it off, Hera’s “Anti-Turning Milling” eliminates turning.
As everyone knows, CBC Industries assembles there uppers exclusively with Veterans of our Armed Services. These military men mic port holes and torque to military specs.The end result, the highest quality upper assemblies for the money in the market.