CMMG MK4 AR15 Upper Receiver Assembly – Armor Black

Enhance your AR15 with the CMMG MK4 Upper Receiver Assembly in Armor Black. Expertly designed by CMMG, this assembly promises robust performance and precision. Compatible with MK4 and AR15 platforms, it offers versatility for any firearm enthusiast. Weighing just 0.535 lbs, it adds minimal weight while providing maximum reliability. Elevate your shooting experience with this durable, high-quality upper receiver at an unbeatable price.