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AR15 Pistol Upper Assembly / 5" 5.56 Nato / 1:5 / Spider
MICRO AR15 5" Assembled Upper Receiver — 5.56 NATO Built for reliability, compact performance, and a little seasonal flair. This MICRO AR15 upper receiver assembly arrives fully assembled and ready to drop onto any Mil-Spec lower. Key...
Add to CartWas: $339.00On Sale $215.00 -
AR15 Pistol Upper Assembly / 5" 5.56 Nato / 1:5 / Zombie
MICRO AR15 5" Assembled Upper Receiver — 5.56 NATO Built for reliability, compact performance, and a little seasonal flair. This MICRO AR15 upper receiver assembly arrives fully assembled and ready to drop onto any Mil-Spec lower. Key...
Was: $339.00On Sale $215.00 -
AR15 Pistol Upper Assembly / 5" 5.56 Nato / 1:5 / Witch
MICRO AR15 5" Assembled Upper Receiver — 5.56 NATO Built for reliability, compact performance, and a little seasonal flair. This MICRO AR15 upper receiver assembly arrives fully assembled and ready to drop onto any Mil-Spec lower. Key...
Add to CartWas: $339.00On Sale $215.00 -
AR15 Pistol Upper Assembly / 5" 5.56 Nato / 1:5 / Happy Camper
MICRO AR15 5" Assembled Upper Receiver — 5.56 NATO Built for reliability, compact performance, and a little seasonal flair. This MICRO AR15 upper receiver assembly arrives fully assembled and ready to drop onto any Mil-Spec lower. Key...
Add to CartWas: $339.00On Sale $215.00 -
AR15 Pistol Upper Assembly / 5" 5.56 Nato / 1:5 / PUMPKIN
MICRO AR15 5" Assembled Upper Receiver — 5.56 NATO Built for reliability, compact performance, and a little seasonal flair. This MICRO AR15 upper receiver assembly arrives fully assembled and ready to drop onto any Mil-Spec lower. Key...
Add to CartWas: $339.00On Sale $215.00 -
AR15 Upper Assembly /18" 6.5 Grendel + Monopod Sure-Shot Shooting Stabilizer
The Grendel 6.5 is a capable mid-size hunting caliber with ample power to take down almost anything you will venture across. This upper assembly has the perfect balance of weight, size, and power. Whether you’re tracking wild game through thick...
Add to CartWas: $440.00On Sale $260.00 -
AR15 Pistol Upper Assembly / 5" 5.56 Nato / 1:5 / STAY SPOOKY
MICRO AR15 5" Assembled Upper Receiver — 5.56 NATO Built for reliability, compact performance, and a little seasonal flair. This MICRO AR15 upper receiver assembly arrives fully assembled and ready to drop onto any Mil-Spec lower. Key...
Add to CartWas: $339.00On Sale $215.00 -
AR-15 5.56 NATO 5'' - BILLET UPPER WITH 4'' HANDGUARD/ 160-830
Kit cannot be changed, no modifications will be accepted • This is NOT a FFL item. Left Side Charging Handle Includes: 5.56 NATO PISTOL 5" INCH PISTOL LENGTH BARREL 1:5 5R TWIST - BLACK NITRIDE (MADE IN USA) AR-15/47/9/300 Custom Lightweight Side...
Choose Options$330.00 - $400.00 -
AR15 Pistol Upper Assembly / 7.5" 5.56 Nato / 1:5 / 160-829
Enhance your AR15 pistol with the AR15 Pistol Upper Assembly / 7.5" 5.56 Nato / 1:7 / 160-829. This premium upper assembly is designed for optimal performance and durability. The 7.5 barrel is chambered in 5.56 Nato with a 1:7 twist rate, ensuring...
Add to CartWas: $319.00On Sale $229.00 -
AR15 Pistol Upper Assembly / 7.5" 5.56 Nato / 1:5 / 160-829 Red
Enhance your AR15 pistol with the AR15 Pistol Upper Assembly / 7.5" 5.56 Nato / 1:7 / 160-829 Red. This premium upper assembly is designed for optimal performance and durability. The 7.5 barrel is chambered in 5.56 Nato with a 1:7 twist rate, ensuring...
Add to CartWas: $339.00On Sale $239.00 -
AR15 Pistol Upper Assembly / 7.5" 5.56 Nato / 1:5 / 160-829 ODG
Enhance your AR15 pistol with the AR15 Pistol Upper Assembly / 7.5" 5.56 Nato / 1:7 / 160-829 ODG. This premium upper assembly is designed for optimal performance and durability. The 7.5 barrel is chambered in 5.56 Nato with a 1:7 twist rate, ensuring...
Add to CartWas: $339.00On Sale $239.00 -
AR15 Pistol Upper Assembly / 7.5" 5.56 Nato / 1:5 / 160-829 Slime Green
Enhance your AR15 pistol with the AR15 Pistol Upper Assembly / 7.5" 5.56 Nato / 1:7 / 160-829 Slime Green. This premium upper assembly is designed for optimal performance and durability. The 7.5 barrel is chambered in 5.56 Nato with a 1:7 twist rate,...
Add to CartWas: $339.00On Sale $239.00
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
