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AR15 Pistol Upper Assembly / 5" 300 AAC / 1:5 / 160-820 Beware
This MICRO AR15 upper receiver assembly comes ready to attach to any Mil-Spec lower receiver. The receiver is a flat top M4 forged Mil-Spec upper receiver that is CNC Machined from 7075-T6 aluminum –...
Add to CartWas: $359.00On Sale $229.00 -
AR15 Pistol Upper Assembly / 5" 5.56 Nato / Tan
Upgrade your build with the AR15 Pistol Upper Assembly / 5" 5.56 NATO / 1:5 / Tan. This compact upper is built for reliable performance in micro AR pistol setups. Featuring a 5" barrel chambered in 5...
Add to CartWas: $389.00On Sale $249.00 -
AR15 Pistol Upper Assembly / 5" 5.56 Nato / 1:5 / 160-817 Eagle
This MICRO AR15 upper receiver assembly comes ready to attach to any Mil-Spec lower receiver. The receiver is a flat top M4 forged Mil-Spec upper receiver that is CNC Machined from 7075-T6 aluminum –...
Add to CartWas: $359.00On Sale $229.00 -
AR15 Pistol Upper Assembly / 5" 5.56 Nato / 1:5 / 160-817 Beware
This MICRO AR15 upper receiver assembly comes ready to attach to any Mil-Spec lower receiver. The receiver is a flat top M4 forged Mil-Spec upper receiver that is CNC Machined from 7075-T6 aluminum –...
Add to CartWas: $359.00On Sale $229.00 -
AR15 Pistol Upper Assembly / 5" 5.56 Nato / ANODIZED BLUE
Upgrade your build with the AR15 Pistol Upper Assembly / 5" 5.56 NATO / 1:5 / Iodized Blue. This compact upper is built for reliable performance in micro AR pistol setups. Featuring a 5" barrel...
Add to CartWas: $389.00On Sale $249.00 -
AR15 Pistol Upper Assembly / 5" 5.56 Nato / ANODIZED BRONZE
Upgrade your build with the AR15 Pistol Upper Assembly / 5" 5.56 NATO / 1:5 / Iodized Bronze. This compact upper is built for reliable performance in micro AR pistol setups. Featuring a 5" barrel...
Add to CartWas: $389.00On Sale $249.00 -
AR15 Pistol Upper Assembly / 5" 5.56 Nato / ANODIZED PURPLE
Upgrade your build with the AR15 Pistol Upper Assembly / 5" 5.56 NATO / 1:5 / Purple. This compact upper features a 5" barrel with a 1:5 twist rate for reliable performance in micro setups. Finished...
Add to CartWas: $389.00On Sale $249.00 -
AR15 Pistol Upper Assembly / 5" 5.56 Nato / ANODIZED RED
Enhance your AR-15 pistol with the AR15 Pistol Upper Assembly / 5" 5.56 NATO / 1:5 / Red. Built for performance and durability, this compact upper is ideal for shooters looking for a powerful,...
Add to CartWas: $389.00On Sale $249.00 -
AR15 Pistol Upper Assembly / 4" 9mm / 160-499
This AR15 upper receiver assembly comes ready to attach to any Mil-Spec lower receiver. It is built around a 4 inch, 4150 chrome moly barrel and has a black nitride finish. The upper receiver is a...
Add to CartWas: $359.00On Sale $195.00 -
AR15 Pistol Upper Assembly / 5" 5.56 Nato / 1:5 / American Flag
Upgrade your AR15 with our high-performance 5" 5.56 NATO Pistol Upper Assembly, built for compact power and reliable performance. This micro-length upper is designed for durability and precision,...
Add to CartWas: $359.00On Sale $229.00 -
AR15 Pistol Upper Assembly / 5" 5.56 Nato / 1:5 / 160-817 Fear Nothing
This MICRO AR15 upper receiver assembly comes ready to attach to any Mil-Spec lower receiver. The receiver is a flat top M4 forged Mil-Spec upper receiver that is CNC Machined from 7075-T6 aluminum –...
Add to CartWas: $359.00On Sale $229.00 -
AR15 Pistol Upper Assembly / 5" 7.62x39 / 1:10 / 160-819
This MICRO AR15 upper receiver assembly comes ready to attach to any Mil-Spec lower receiver. The receiver is a flat top M4 forged Mil-Spec upper receiver that is CNC Machined from 7075-T6 aluminum –...
Add to CartWas: $359.00On Sale $229.00
Uppers
Uppers, also known as upper receivers, are a significant component of AR-15 rifles. They attach to the lower receiver and house the bolt carrier group, barrel, and other crucial parts of the firearm. As a crucial part of the AR-15 platform, uppers play a vital role in determining the rifle's performance and capabilities. AR15-Overstock.com offers a wide selection of AR-15 upper receivers, including complete uppers, stripped uppers, and individual upper parts. From different calibers and barrel lengths to various handguard options, finding the right upper for your AR-15 build is crucial for achieving your desired shooting experience.
AR15-Upper Receivers - AR15-Overstock.com
