-
CPF Pistol Kit / 5" 5.56 Nato / 1:5 / 205-819 Witch
Built for compact performance and dependable cycling, the MICRO AR15 5" PISTOL KIT bundles matched components that simplify short-barrel builds. The forged flat-top M4 Mil-Spec upper (7075-T6), precision 5" 4150 chromemoly barrel (1:5 twist), and MICRO...
Choose Options$309.00 - $379.00 -
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 $205.00 -
CPF Pistol Kit / 5" 5.56 Nato / 1:5 / 205-819 Happy Camper
Built for compact performance and dependable cycling, the MICRO AR15 5" PISTOL KIT bundles matched components that simplify short-barrel builds. The forged flat-top M4 Mil-Spec upper (7075-T6), precision 5" 4150 chromemoly barrel (1:5 twist), and MICRO...
Choose Options$309.00 - $379.00 -
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 $205.00 -
CPF Pistol Kit / 5" 5.56 Nato / 1:5 / 205-819 Pumpkin
Built for compact performance and dependable cycling, the MICRO AR15 5" PISTOL KIT bundles matched components that simplify short-barrel builds. The forged flat-top M4 Mil-Spec upper (7075-T6), precision 5" 4150 chromemoly barrel (1:5 twist), and MICRO...
Choose Options$309.00 - $379.00 -
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...
Was: $339.00On Sale $205.00 -
CPF Pistol Kit / 5" 5.56 Nato / 1:5 / 205-819 Spooky
Built for compact performance and dependable cycling, the MICRO AR15 5" PISTOL KIT bundles matched components that simplify short-barrel builds. The forged flat-top M4 Mil-Spec upper (7075-T6), precision 5" 4150 chromemoly barrel (1:5 twist), and MICRO...
Choose Options$309.00 - $379.00 -
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 $205.00 -
AR 15 Rifle Kit / 16" 300 AAC / 1:8/ 12" M-Lock Handguard / Firefield Diverge 3X Magnifier/ Bundle 205-169
THIS KIT IS WHAT YOU NEED TO BUILD AN AR-15 EXCEPT A STRIPPED LOWER. The receiver is a flat top M4 Mil-Spec upper receiver are forged CNC Machined from 7075-T6 Aluminum, the hardest and most durable material of any upper! This 16" 5.56 Nato Barrel is...
Add to CartWas: $520.00On Sale $329.00
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
