At Bootleg, Inc., we love that every part of the upper assembly is totally customizable, and that is why we strive to make the best custom AR parts. Pick the upper receiver for sale that fits your needs; there’s no need to buy a complete upper assembly unless you want to! Our lightweight mil-spec Complete Upper Receiver offers a durable upper receiver with 1913 rail for mounting accessories and optics. Start your upper assembly right with our Mil-Spec Complete Upper Receiver today!
Features:

• Machined from forged 7075 aluminum to keep it light
• Mil-spec hard anodizing for durability
• Captured dust cover door pin eliminating the need for the E clip
• Flat Top, M4 Feed Ramps