Dark Hour Defense announced their support for the 458 Socom cartridge with their new caliber specific AR15 upper receivers. These 458 Socom billet upper receivers are sold in two configurations, stripped, and assembled.
-Machined from 7075 T6 Billet Aluminum
-Type 3 mil-spec hard coat anodizing
-For 458 SOCOM
-Rigid design for increased accuracy
-Upper has 1913 top rail
-American made with a lifetime warranty
-Upper Assembly features V SEVEN WEAPON SYSTEMS Ultra-light Forward Assist (Diamond) and Ultra-light Port Door (Classic) & Rod (Straight)