COMPLETE AR15 UPPER RECEIVER FOR 458 SOCOM- MODIFIED

KAK Industry Modified AR15 Upper Receiver For 458 Socom* Upper Receiver- Precision machined Forged 7075 T6 Aluminum* Matte black hard coat anodized Mil 8625 Type 3 Class 2* Modified port for use with 458 Socom or other similar large calibers These uppers are milled post anodize resulting in a small amount of raw material presenting itself on the bottom of the ejection port door, Alumiblack can be applied to cover material if you care to cover this area, it's purely cosmetic Upper ships with Ejection Port Cover InstalledForward Assist Included