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

  • 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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  • AR-15 Bolt Carrier Group – 5.56 / MPI / Mil-Spec / Gold / 130-213, gold-colored bolt carrier group for AR-15 rifles.

    AR-15 Bolt Carrier Group – 5.56 / MPI / Mil-Spec / Gold / 130-213

    The AR-15 Bolt Carrier Group – Gold features a durable gold nitride coating for enhanced corrosion and heat resistance. Built to MIL-SPEC standards, it undergoes HPT and MPI testing to ensure reliable performance. Ideal for 5.56 NATO...

    Was: $139.00
    On Sale $59.00
  • AR-15 Nickel Boron Bolt Carrier Group - / 130-212, close-up image of a metallic bolt carrier group showing its sleek nickel boron finish and detailed components.

    AR-15 Nickel Boron Bolt Carrier Group - / 130-212

    The AR-15 Nickel Boron Bolt Carrier Group is a high-performance, MIL-SPEC BCG with a durable nickel boron coating for superior corrosion resistance, reduced friction, and easy cleaning. It undergoes rigorous HPT and MPI testing to ensure reliable...

    Was: $139.00
    On Sale $69.00
  • AR-10 Bolt Carrier Group - .308 / 130-020

    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: $189.00
    On Sale $79.00
  • AR15 Rail – 15 " / M-LOK Handguard / Competition Top / 120-050

    5 Pack AR15 Rail – 15 " / M-LOK Handguard / Competition Top / 120-050

    These AR15 handguards are built to provide rugged, reliable performance. Designed with the advanced shooter in mind, these AR handguards are both sleek and ergonomic in the hand and that translates into faster on-target performance and ease of use. These...

    Was: $149.00
    On Sale $10.00
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