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

  • CPF Pistol Kit / 5-inch 5.56 NATO / 1:5 / 205-819 Gold, disassembled semi-automatic pistol with black and gold components and wooden cleaning stick.

    CPF Pistol Kit / 5" 5.56 Nato / 1:5 / 205-819 Gold

    THIS 5 INCH AR PISTOL KIT IS EVERYTHING YOU NEED TO BUILD A MICRO AR PISTOL 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...

    $329.00 - $409.00
  • AR15 Pistol Upper Assembly, 5 inch 5.56 Nato, with gold and black finish, featuring a sleek design and precision construction.

    AR15 Pistol Upper Assembly / 5" 5.56 Nato / 1:5 / 160-819 Gold

    Enhance your AR15 pistol with the AR15 Pistol Upper Assembly / 5 5.56 Nato / 1:5 / 160-819 Red. This premium upper assembly is designed for optimal performance and durability. The 5 barrel is chambered in 5.56 Nato with a 1:5 twist rate, ensuring...

    Was: $389.00
    On Sale $239.00
  • Push Button QD Sling Swivel/ 905-095, black quick detach sling swivel with a push button mechanism for easy attachment and detachment.

    Push Button QD Sling Swivel/ 905-095

    The Push Button QD Sling Swivel is a must-have accessory for any AR build, offering quick and reliable sling attachment. With the push of a button, you can securely lock your sling into place or release it just as easily. Precision-machined for strength...

    Was: $29.99
    On Sale $4.99
    Add to Cart
  • 7 Slot M-Lock Rail Section/905-093, black metal rail with seven slots for mounting accessories.

    7 slot m-lock rail Section/ 905-093

    The 7 Slot M-LOK Rail Section is built for shooters who demand strength, reliability, and versatility. Designed from durable aluminum with a hard-anodized finish, this rail section allows you to quickly and securely attach a variety of accessories...

    Was: $19.99
    On Sale $3.99
  • 5 Slot M-Lock Rail Section, firearm accessory rail with five slots for attaching optics and accessories.

    5 slot m-lock rail Section/ 905-092

    The 5 Slot M-LOK Rail Section is built for shooters who demand strength, reliability, and versatility. Designed from durable aluminum with a hard-anodized finish, this rail section allows you to quickly and securely attach a variety of accessories...

    Was: $16.99
    On Sale $3.99
    Add to Cart
  • AR15 Pistol Upper Assembly, 4-inch 9mm with American flag design, black finish, and tactical rail.

    AR15 Pistol Upper Assembly / 4" 9mm / American Flag / 160-499

    This AR-15 upper receiver assembly comes ready to attach to any Mil-Spec lower receiver. It is built around a 4-inch, 4150 chrome moly barrel with a durable black nitride finish for enhanced corrosion resistance and longevity. The upper receiver features...

    Was: $359.00
    On Sale $195.00
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  • Echo Micro Dot Sight, compact black gaming or firearm sight with adjustable settings and reflective lens

    Echo Micro Dot Sight/ 230-009

    The XTS-EDS Echo Micro Dot Sight is built for reliable performance in demanding conditions. Featuring a rugged construction, adjustable red dot brightness settings, and precise windage and elevation controls, this compact optic delivers fast target...

    Was: $199.99
    On Sale $188.99
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  • AR-10 Bolt Carrier Group - .308 / 130-020, black metal firearm component for rifle assembly.

    AR-10 Bolt Carrier Group - .308 / 130-020

    There is nothing more crucial to the performance of your AR-10 than the bolt carrier group. Made to MIL-SPEC and finished with superior quality nitride finish that protects against corrosion and heat, our BCG wont t let you down. In order to ensure...

    Was: $239.90
    On Sale $219.00
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  • AR-15 Barrel – 7 " / 9mm / 1:10 TWIST / 110-900

    5 pack AR-15 Barrel – 7 " / 9mm / 1:10 TWIST / 110-900

    The AR-15 Barrel – 7" / 9mm / 1:10 Twist is crafted from 4150 Chrome Moly Steel, heat-treated for durability, and stress-relieved for strength. With a nitride finish for corrosion resistance, it features a 9mm chamber and a 1:10 twist rate,...

    Was: $399.00
    On Sale $200.00
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