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, 5-inch 5.56 Nato, Anodized Bronze, with barrel, handguard, and muzzle device.

    AR15 Pistol Upper Assembly / 5" 5.56 Nato / ANODIZED BRONZE

    Upgrade your build with the AR15 Pistol Upper Assembly / 5" 5.56 NATO / 1:5 / Iodized Bronze. This compact upper is built for reliable performance in micro AR pistol setups. Featuring a 5" barrel chambered in 5.56 NATO with a 1:5 twist rate, it delivers...

    Was: $389.00
    On Sale $240.00
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  • AR15 Pistol Upper Assembly, 5-inch 5.56 NATO, anodized purple finish with included purple handguard and muzzle device.

    AR15 Pistol Upper Assembly / 5" 5.56 Nato / ANODIZED PURPLE

    Upgrade your build with the AR15 Pistol Upper Assembly / 5" 5.56 NATO / 1:5 / Purple. This compact upper features a 5" barrel with a 1:5 twist rate for reliable performance in micro setups. Finished in a bold purple color, it adds standout style to your...

    Was: $389.00
    On Sale $240.00
    Add to Cart
  • AR15 Pistol Upper Assembly, 5-inch 5.56 Nato, anodized red finish, with charging handle and muzzle brake

    AR15 Pistol Upper Assembly / 5" 5.56 Nato / ANODIZED RED

    Enhance your AR-15 pistol with the AR15 Pistol Upper Assembly / 5" 5.56 NATO / 1:5 / Red. Built for performance and durability, this compact upper is ideal for shooters looking for a powerful, space-saving setup. Featuring a 5" barrel chambered in 5.56...

    Was: $389.00
    On Sale $240.00
    Add to Cart
  • PMAG / Impact Magazine Cover AR-15 .223 / 5.56 - 3 Pack, black magazine covers for AR-15 rifles.

    PMAG / Impact Magazine Cover AR-15 .223 / 5.56 - 3 Pack

    The Magpul PMAG GEN M3 Dust / Impact Covers are designed to protect your .223/5.56 PMAG magazines from dust, debris, and damage during storage and transport. Made from durable polymer, they help maintain feed lip integrity and ensure reliable performance...

    Was: $29.99
    On Sale $3.99
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  • Firefield Rival-XL KeyMod Foregrip / 230-200, black tactical firearm accessory with keymod attachment points for enhanced grip and control.

    Firefield Rival-XL KeyMod Foregrip / 230-200

    Improve control and handling with the Firefield Rival-XL KeyMod Foregrip. Featuring an extended, ergonomic design, it offers enhanced leverage and a comfortable, natural grip for better weapon manipulation. Constructed from durable, lightweight polymer,...

    Was: $49.99
    On Sale $19.99
  • AR15 Pistol Upper Assembly, 4-inch 9mm, Black, with Blast Can America branding.

    AR15 Pistol Upper Assembly / 4" 9mm / BLAST CAN AMERICA 160-500

    Tactical Precision: 4" 9mm AR-15 Upper with Flush Blast Can Compact, patriotic, and built for performance. This 4" 9mm complete upper receiver is the ultimate solution for shooters building a high-speed PDW or a discreet backpack pistol. It features a...

    Was: $359.00
    On Sale $209.00
    Add to Cart
  • AR15 Pistol Upper Assembly, 4-inch 9mm firearm component with rail system and black finish.

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

    This AR15 upper receiver assembly comes ready to attach to any Mil-Spec lower receiver. It is built around a 4 inch, 4150 chrome moly barrel and has a black nitride finish. The upper receiver is a forged M4 flat top upper, allowing you to easily attach...

    Was: $359.00
    On Sale $209.00
    Add to Cart
  • AR10 12.5" stainless steel .308 upper without handguard, model 160-079, firearm component.

    AR10 12.5" stainless steel .308 upper without handguard 160-079

    The 12.5" Stainless Steel .308 Upper – Without Handguard is an excellent foundation for builders who want full control over their AR-10/LR-308 setup. Featuring a 12.5-inch stainless steel barrel, this upper delivers durability, corrosion...

    Was: $299.00
    On Sale $129.00
  • AR-10/LR-308 Cerakote Burnt Bronze parts bundle 195-927, firearm parts kit with multiple components including a latch option, springs, pins, and protective covers.

    AR-10/LR-308 Cerakote Burnt Bronze parts bundle 195-927

    Upgrade your AR-10 or LR-308 build with this premium Charging Handle, Forward Assist, and Ejection Port Cover Door set, finished in Cerakote Burnt Bronze. Designed for durability and reliable performance, each component is precision-machined to ensure...

    Was: $49.99
    On Sale $35.99
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  • AR15 Upper Assembly / 18" 6.5 Grendel 160-075, black tactical upper with handguard and barrel for rifle customization.

    AR15 Upper Assembly / 18" 6.5 Grendel 160-075

    This AR-15 upper assembly is designed to deliver enhanced accuracy and ballistic performance with the powerful 6.5 Grendel platform. Featuring a 18" barrel, it provides an excellent balance of velocity, range, and handling, making it suitable for both...

    Was: $499.00
    On Sale $209.00
  • TufForce Gun Lock / 170-021, close-up image of the lock mechanism with textured surface and keyhole.

    TufForce Gun Lock / 170-021

    Ensure safe firearm storage with the Tufforce Gun Lock, a reliable and easy‑to‑use locking device designed to prevent unauthorized access and enhance responsible gun ownership. Built with durable materials and a simple key mechanism, this gun lock offers...

    $19.99
    Add to Cart
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