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Add to CartWas: $160.00On Sale $148.00 -
Add to CartWas: $160.00On Sale $148.00 -
Add to CartWas: $160.00On Sale $148.00 -
AR15 Pistol Upper Assembly / 5" 300 AAC / 1:5 / 160-820 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" 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 -
10″ Anodized M-Lok Rail Purple
Add a bold, custom look and reliable functionality to your build with the 10" Anodized M-LOK Rails in purple. Designed with a compact 10-inch profile, this rail system helps reduce overall weight...
Add to CartWas: $89.90On Sale $85.00 -
10″ Anodized M-Lok Rail Blue
Add a bold, custom look and reliable functionality to your build with the 10" Anodized M-LOK Rails in blue. Designed with a compact 10-inch profile, this rail system helps reduce overall weight while...
Add to CartWas: $89.90On Sale $85.00 -
10″ Anodized M-Lok Rail Bronze
Add a bold, custom look and reliable functionality to your build with the 10" Anodized M-LOK Rails in bronze. Designed with a compact 10-inch profile, this rail system helps reduce overall weight...
Add to CartWas: $89.90On Sale $85.00 -
Add to CartWas: $199.00On Sale $69.00 -
CPF Pistol Kit /5" 5.56 Nato / 1:5 / Eagle / 205-819
This 5" AR Pistol Kit includes everything you need to build a Micro AR pistol—except for a stripped lower & BCG. The receiver is a flat top M4 Mil-Spec upper, forged and CNC machined from 7075-T6...
Add to CartWas: $539.00On Sale $319.00 -
CPF Pistol Kit /5" 5.56 Nato / 1:5 / Beware / 205-819
This 5" AR Pistol Kit includes everything you need to build a Micro AR pistol—except for a stripped lower & BCG. The receiver is a flat top M4 Mil-Spec upper, forged and CNC machined from 7075-T6...
Add to CartWas: $539.00On Sale $319.00 -
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
Limited Time Products
Limited Time Products – Exclusive AR15 Kits, Uppers & Parts
Don’t miss your chance to grab limited time AR15 products from AR15-Overstock.com — featuring top-performing micro AR pistol uppers, 5 inch ARP kits, and more. These exclusive builds and components are designed for shooters who want performance, precision, and unbeatable value.
From rifle kits and micro pistol kits to AR uppers and seasonal products, every item is built to last and priced to move fast. Whether you’re upgrading your setup or starting a new build, our limited time AR products deliver quality craftsmanship and head-turning designs you won’t find anywhere else.
Act fast — these kits and uppers are available only while supplies last.
Shop Micro AR Pistol Uppers, 5 Inch ARP Kits, and more limited-time builds today
