AR-15 Lower Parts Kits

AR-15 Lower Parts Kits

When you're piecing together your dream AR-15 build, every component matters, right down to the smallest parts. At A1Armory, our AR-15 Lower Parts Kits are meticulously crafted to provide reliability and precision in every shot. These kits feature top-tier components sourced from trusted manufacturers, ensuring that your AR-15 operates smoothly and consistently. Whether you're a seasoned enthusiast or diving into the world of custom builds for the first time, our comprehensive kits make assembly a breeze. From the trigger assembly to the pivot and takedown pins, each part is engineered for durability and performance, so you can trust your rifle in any scenario. Elevate your AR-15 build with A1Armory's Lower Parts Kits and experience the difference quality makes.

  • AR-15 Bright White Cerakote Enhanced Lower Parts Kit

    AR-15 Bright White Cerakote Enhanced Lower Parts Kit

    MSRP: $119.99
    $80.99
    AR-15 Bright White Cerakote Enhanced Lower Parts Kit       AR-15 Bright White Enhanced Lower Parts Kit, a premium collection of meticulously crafted components designed to elevate your firearm to new heights of performance and aesthetics...
    MSRP: $119.99
    $80.99
  • Oops Small Parts Kit

    Oops AR Lower Receiver Small Parts Kit

    MSRP: $9.99
    $6.29
    Oops Lower Receiver Small Parts Kit       Introducing our AR-15 Small Parts Kit – the ultimate solution for enthusiasts and gunsmiths alike who know the frustration of losing essential components during maintenance or customization...
    MSRP: $9.99
    $6.29
  • AR-15 Pink Cerakote Enhanced Lower Parts Kit

    AR-15 Pink Cerakote Enhanced Lower Parts Kit

    MSRP: $119.99
    $80.99
    AR-15 Pink Cerakote Enhanced Lower Parts Kit       AR-15 Pink Cerakote Enhanced Lower Parts Kit – a vibrant and high-performance upgrade for your firearm. Each component in this meticulously crafted kit is designed to provide...
    MSRP: $119.99
    $80.99
  • AR-15 Flat Dark Earth FDE Cerakote Enhanced Lower Parts Kit

    AR-15 Flat Dark Earth FDE Cerakote Enhanced Lower Parts Kit

    MSRP: $119.99
    $80.99
    AR-15 Flat Dark Earth FDE Cerakote Enhanced Lower Parts Kit       AR-15 Flat Dark Earth (FDE) Cerakote Enhanced Lower Parts Kit, a premium collection of meticulously crafted components designed to elevate your firearm to new heights of...
    MSRP: $119.99
    $80.99
  • Partial Lower Parts Kit.

    AR Partial Lower Parts Kit

    MSRP: $6.99
    $5.39
    AR-15 Partial Lower Parts Kit       Whether you’re upgrading or assembling your AR-15 from the ground up, the AR-15 Partial Lower Parts Kit delivers the essential components you need to build with confidence. Engineered with...
    MSRP: $6.99
    $5.39
  • AR-15 Olive Drab Green ODG Cerakote Enhanced Lower Parts Kit

    AR-15 Olive Drab Green (ODG) Cerakote Enhanced Lower Parts Kit

    MSRP: $119.99
    $80.99
    AR-15 Olive Drab Green ODG Cerakote Enhanced Lower Parts Kit       AR-15 Olive Drab Green (ODG) Cerakote Enhanced Lower Parts Kit – a comprehensive set designed to elevate your firearm's performance and aesthetic appeal. Each...
    MSRP: $119.99
    $80.99
  • AR-15 Burnt Bronze Cerakote Enhanced Lower Parts Kit

    AR-15 Burnt Bronze Cerakote Enhanced Lower Parts Kit

    MSRP: $119.99
    $80.99
    AR-15 Burnt Bronze Cerakote Enhanced Lower Parts Kit       AR-15 Burnt Bronze Cerakote Enhanced Lower Parts Kit, meticulously crafted for precision and durability. Elevate your rifle with the following top-tier...
    MSRP: $119.99
    $80.99
  • AR-15 Red Cerakote Enhanced Lower Parts Kit

    AR-15 Red Cerakote Enhanced Lower Parts Kit

    MSRP: $119.99
    $80.99
    AR-15 Red Cerakote Enhanced Lower Parts Kit         AR-15 Red Cerakote Enhanced Lower Parts Kit, a premium upgrade for your rifle platform. Elevate both aesthetics and functionality with the following distinctive features: Red...
    MSRP: $119.99
    $80.99
  • AR-15 Robins Egg Blue Cerakote Enhanced Lower Parts Kit

    AR-15 Robins Egg Blue Cerakote Enhanced Lower Parts Kit

    MSRP: $119.99
    $80.99
    AR-15 Robins Egg Blue Cerakote Enhanced Lower Parts Kit       AR-15 Robins Egg Blue Cerakote Enhanced Lower Parts Kit, meticulously crafted to elevate your shooting experience with a blend of style, functionality, and...
    MSRP: $119.99
    $80.99
  • Timber Creek Outdoors Flat Dark Earth Color Enhanced Parts Kit

    Timber Creek AR-15 Flat Dark Earth Lower Parts Color Kit

    MSRP: $64.99
    $49.46
    Timber Creek Outdoors Flat Dark Earth Color Enhanced Parts Kit     Timber Creek Outdoors Flat Dark Earth Color Enhanced Parts Kit, a premium upgrade package designed to elevate your firearm's performance and aesthetics. Crafted with precision...
    MSRP: $64.99
    $49.46
  • On Sale
    Timber Creek Black Enhanced Complete Lower Parts Kit

    Timber Creek Black Enhanced Complete Lower Parts Build Kit

    Now: $305.99
    Was: $424.99
    Timber Creek Black Enhanced Complete Lower Parts Kit-FREE SHIPPING     Timber Creek Black Anodized Enhanced Lower Parts Kit features all the excellent quality AR-15 lower parts to complete your lower build.    T.C. Black...
    Now: $305.99
    Was: $424.99
  • Timber Creek Outdoors Tungsten Color Enhanced Parts Kit.

    Timber Creek AR-15 Tungsten Lower Parts Color Kit

    MSRP: $64.99
    $51.29
    Timber Creek Outdoors Tungsten Color Enhanced Parts Kit         Upgrade your AR-15 with the Timber Creek Outdoors Tungsten Lower Parts Color Kit – a fusion of form and function designed to enhance your...
    MSRP: $64.99
    $51.29
  • Timber Creek Outdoors Robins Egg Blue Color Enhanced Parts Kit.

    Timber Creek AR-15 Robins Egg Blue Lower Parts Color Kit

    MSRP: $64.99
    $51.29
    Timber Creek Outdoors Robins Egg Blue Color Enhanced Parts Kit         Timber Creek Outdoors Robins Egg Blue Enhanced Parts Kit – a vibrant fusion of function and flair. Whether you're building a custom...
    MSRP: $64.99
    $51.29
  • Timber Creek Outdoors Red Color Enhanced Parts Kit.

    Timber Creek AR-15 Red Lower Parts Color Kit

    MSRP: $64.99
    $51.29
    Timber Creek Outdoors Red Color Enhanced Parts Kit     Elevate your AR-15 build with the Timber Creek Outdoors RED Lower Enhanced Parts Kit, designed for shooters who demand high performance and standout aesthetics. This premium kit...
    MSRP: $64.99
    $51.29
  • Timber Creek Outdoors Purple Color Enhanced Parts Kit.

    Timber Creek AR-15 Purple Lower Parts Color Kit

    MSRP: $64.99
    $51.29
    Timber Creek Outdoors Purple Color Enhanced Parts Kit       Upgrade your AR-15 build with the Timber Creek Outdoors Purple Lower Enhanced Parts Kit – a high-performance, American-made parts kit that combines eye-catching...
    MSRP: $64.99
    $51.29
  • Timber Creek Outdoors Orange Color Enhanced Parts Kit.

    Timber Creek AR-15 Orange Lower Parts Color Kit

    MSRP: $64.99
    $49.49
    Timber Creek Outdoors Orange Color Enhanced Parts Kit       Elevate the style and functionality of your AR-15 build with the Timber Creek Outdoors Orange Lower Enhanced Parts Kit. Precision-machined and beautifully...
    MSRP: $64.99
    $49.49
  • Timber Creek Outdoors OD Green Color Enhanced Parts Kit.

    Timber Creek AR-15 OD Green Lower Parts Color Kit

    MSRP: $64.99
    $49.49
    Timber Creek Outdoors OD Green Color Enhanced Parts Kit       Upgrade your AR-15’s functionality and aesthetics with the Timber Creek Outdoors OD Green Lower Enhanced Parts Kit. Engineered for performance and styled for impact, this...
    MSRP: $64.99
    $49.49
  • Timber Creek Outdoors Burnt Bronze Color Enhanced Parts Kit.

    Timber Creek AR-15 Burnt Bronze Lower Parts Color Kit

    MSRP: $64.99
    $49.49
    Timber Creek Outdoors Burnt Bronze Color Enhanced Parts Kit         Upgrade your AR-15 build with Timber Creek Outdoors' Burnt Bronze Lower Enhanced Parts Kit – a sleek, high-performance upgrade that...
    MSRP: $64.99
    $49.49
  • Timber Creek Outdoors Blue Color Enhanced Parts Kit

    Timber Creek AR-15 Blue Lower Parts Color Kit

    MSRP: $64.99
    $49.49
    Timber Creek Outdoors Blue Color Enhanced Parts Kit       Upgrade your rifle with style and functionality using the Timber Creek Outdoors Blue Lower Enhanced Parts Kit. Precision machined and anodized in a striking...
    MSRP: $64.99
    $49.49
  • Guntec AR-15 Anodized Orange Anti-Rotation TriggerHammer Pin Set

    Guntec AR-15 Anodized Orange Anti-Rotation Trigger/Hammer Pin Set

    MSRP: $29.99
    $26.99
    Guntec AR-15 Anodized Orange Anti-Rotation Trigger/Hammer Pin Set       Upgrade your AR-15’s reliability and style with the Guntec USA Anodized Orange Anti-Rotation Trigger/Hammer Pin Set. Designed to eliminate pin walk and...
    MSRP: $29.99
    $26.99
  • XTS Skeletonized Stock Complete Lower Parts Kit with fire control group

    XTS-58 AR Stock Complete Lower Parts Kit

    MSRP: $139.99
    $80.09
    XTS Skeletonized Stock Complete Lower Parts Kit       XTS Skeletonized Stock Complete Lower Parts Kit – Elevate Your AR Build Upgrade your AR platform with the XTS Skeletonized Stock Complete Lower Parts Kit, engineered for...
    MSRP: $139.99
    $80.09
  • AR15 Anodized Blue Enhanced Lower Parts Kit

    AR15 Anodized Blue Enhanced Lower Parts Kit

    MSRP: $189.99
    $170.99
    AR15 Anodized Blue Enhanced Lower Parts Kit-FREE SHIPPING         The AR15 Anodized Blue Enhanced Lower Parts Kit is a top-tier collection of components, designed to upgrade your AR15 with precision and style...
    MSRP: $189.99
    $170.99
  • Timber Creek AR-15 Robins Egg Blue Lower Parts Kit

    Timber Creek Outdoors AR-15 Robins Egg Blue Lower Parts Kit

    $89.09
    Timber Creek Outdoors AR-15 Robins Egg Blue Lower Parts Kit       Add standout style and superior function to your AR-15 with the Timber Creek Outdoors Robin’s Egg Blue Lower Parts Kit. Precision CNC-machined from aircraft-grade...
    $89.09
  • Timber Creek outdoors AR-15 OD Green Lower Parts Kit

    Timber Creek Outdoors AR-15 OD Green Lower Parts Kit

    $89.09
    Timber Creek Outdoors AR-15 OD Green Lower Parts Kit       Complete your AR-15 build with the Timber Creek Outdoors ODG Lower Parts Kit, engineered for performance and built with a tough, military-inspired Olive Drab Green anodized finish...
    $89.09
  • Timber Creek Outdoors AR-15 Tungsten Lower Parts Kit

    Timber Creek Outdoors AR-15 Tungsten Lower Parts Kit

    MSRP: $99.99
    $80.99
    Timber Creek Outdoors AR-15 Tungsten Lower Parts Kit Take your AR-15 build to the next level with the Timber Creek Outdoors AR-15 Tungsten Lower Parts Kit. Designed for shooters who value both precision engineering and modern style, this kit features...
    MSRP: $99.99
    $80.99
  • TCO AR-15 Red Lower Parts Kit

    Timber Creek Outdoors AR-15 Red Lower Parts Kit

    MSRP: $99.99
    $80.99
    Timber Creek Outdoors AR-15 Red Lower Parts Kit       Add a powerful pop of color and tactical performance to your next AR build with the Timber Creek Outdoors AR-15 Red Lower Parts Kit. Designed for shooters who demand quality and...
    MSRP: $99.99
    $80.99
  • timber creek outdoors AR-15 Purple Lower Parts Kit

    Timber Creek Outdoors AR-15 Purple Lower Parts Kit

    MSRP: $99.99
    $80.99
    Timber Creek Outdoors AR-15 Purple Lower Parts Kit       Make your AR-15 build stand out with the Timber Creek Outdoors AR-15 Purple Lower Parts Kit, engineered for reliability, precision, and vibrant style. Crafted from...
    MSRP: $99.99
    $80.99
  • Timber Creek AR-15 Orange Lower Parts Kit

    Timber Creek Outdoors AR-15 Orange Lower Parts Kit

    MSRP: $99.99
    $80.99
    Timber Creek Outdoors AR-15 Orange Lower Parts Kit     Stand out on the range with the Timber Creek Outdoors AR-15 Orange Lower Parts Kit, designed for shooters who want top-tier performance with a splash of bold style. Crafted from...
    MSRP: $99.99
    $80.99
  • TIMBER CREEK OUTDOORS AR-15 Flat Dark Earth Lower Parts Kit

    Timber Creek Outdoors AR-15 Flat Dark Earth Lower Parts Kit

    MSRP: $99.99
    $80.99
    Timber Creek Outdoors AR-15 Flat Dark Earth (FDE) Lower Parts Kit     Build your AR-15 with unmatched precision and tactical flair using the Timber Creek Outdoors Flat Dark Earth (FDE) Lower Parts Kit. Crafted from CNC-machined aircraft-grade...
    MSRP: $99.99
    $80.99
  • Timber Creek Outdoors AR-15 Burnt Bronze Lower Parts Kit

    Timber Creek Outdoors AR-15 Burnt Bronze Lower Parts Kit

    MSRP: $99.99
    $80.99
    Timber Creek Outdoors AR-15 Burnt Bronze Lower Parts Kit       Add a bold, tactical edge to your next AR build with the Timber Creek Outdoors Burnt Bronze Anodized Lower Parts Kit. Crafted from aircraft-grade billet aluminum and...
    MSRP: $99.99
    $80.99
  • Timber Creek AR-15 Blue Lower Parts Kit

    Timber Creek Outdoors AR-15 Blue Lower Parts Kit

    MSRP: $99.99
    $80.99
    Timber Creek Outdoors AR-15 Blue Lower Parts Kit   Bring your AR-15 build to life with the Timber Creek Blue Anodized Lower Parts Kit—a perfect blend of precision engineering, bold aesthetics, and rugged durability. Made from aircraft-grade...
    MSRP: $99.99
    $80.99
  • AR-15 Mil Spec Buffer Tube Enhanced Lower Parts Kit Combo

    AR-15 Mil Spec Buffer Tube Enhanced Lower Parts Kit Combo

    $43.19
    AR-15 Mil Spec Lower Parts Combo Kit       Upgrade your AR-15 with this all-in-one combo kit, engineered for durability, performance, and tactical versatility. Ideal for new builds or custom upgrades, this kit includes everything you need...
    $43.19
  • AR-15 Alpha Stock Ambi Mil Spec Lower Parts Build Kit-A1Armory

    AR-15 Alpha Stock Ambi Mil Spec Lower Parts Build Kit

    $125.99
    AR-15 Alpha Stock Lower Build Kit      ✅ FREE SHIPPING – Fast & Reliable Delivery Whether you're building your first AR-15 or completing your next lower receiver, the AR-15 Alpha Stock Lower Build Kit has everything you need...
    $125.99
  • On Sale
    AR-15 Cobra Stock MK2 Ambi Mil Spec Lower Parts Build Kit-A1Armory

    AR-15 Cobra Stock MK2 Ambi Mil Spec Lower Parts Build Kit

    Now: $125.99
    Was: $159.99
    AR-15 Lower Build Kit Cobra MK2 Stock       ✅ Choose Standard or Ambi Configuration✅ FREE SHIPPING Upgrade your AR-15 build with this premium Lower Build Kit featuring the Cobra MK2 6-Position Stock. Designed for reliability, fit, and...
    Now: $125.99
    Was: $159.99
  • A1Armory AR-15 Omega Ambi Lower Parts Build Kit

    AR-15 Omega Stock Ambi Mil Spec Lower Parts Build Kit

    $116.99
    AR-15 Omega Lower Parts Build Kit-FREE SHIPPING       Precision. Reliability. American Craftsmanship. Upgrade or complete your AR-15 lower with the Omega Lower Parts Build Kit – a complete, high-quality solution trusted by builders...
    $116.99
  • Magpul Flat Dark Earth RTB Lower Parts Build Kit

    AR-15 Lower Parts Build Kit Flat Dark Earth Magpul MOE Stock

    $116.99
    Magpul Flat Dark Earth Lower Parts Build Kit-FREE SHIPPING!       Magpul Stock Flat Dark Earth Lower Parts Build Kit✔️ Premium Mil-Spec Components | ✔️ FDE Finish | ✔️ Trusted Magpul Quality Upgrade your AR-15 lower with the Magpul Stock...
    $116.99
  • AR-15 Lower Parts Build Kit Flat Dark Earth Minimalist Stock

    AR-15 Lower Parts Build Kit Flat Dark Earth Minimalist Stock

    $125.99
    RTB Lower Parts Build Kit – Mission First Minimalist Stock – Flat Dark Earth       Complete Your AR-15 Lower with Confidence & Style This Right To Bear Lower Parts Build Kit is the ideal solution for anyone looking to...
    $125.99
  • On Sale
    Timber Creek AR-15 black Lower Parts Color Kit.

    Timber Creek AR-15 Black Lower Parts Color Kit

    Now: $53.09
    Was: $64.99
    Timber Creek Outdoors Black Color Enhanced Parts Kit       Description: Upgrade your AR with the Timber Creek Outdoors Black Color Enhanced Parts Kit, featuring precision-engineered components designed to enhance both functionality and...
    Now: $53.09
    Was: $64.99
  • Timber Creek AR-15 Black Lower Parts Kit.

    Timber Creek Outdoors AR-15 Black Lower Parts Kit

    MSRP: $99.99
    $80.99
    Timber Creek Outdoors AR-15 Black Lower Parts Kit Elevate your next AR build with the Timber Creek AR-15 Black Lower Parts Kit, a precision-crafted solution for shooters who demand reliability, durability, and tactical style. Built from aircraft-grade...
    MSRP: $99.99
    $80.99
  • AR-15 Mil Spec Ambi Lower Build Kit minus Lower Receiver-A1Armory.

    AR-15 Mil Spec Lower Build Kit minus Lower Receiver

    MSRP: $139.99
    $89.09
    A1Armory AR-15 Lower Build Kit with LE- Stock-FREE SHIPPING     Complete your AR-15 lower receiver with the A1Armory AR-15 Lower Build Kit, featuring an LE Stock. This kit includes everything you need except the lower receiver itself, available...
    MSRP: $139.99
    $89.09