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.

  • On Sale
    Timber Creek AR-15 Robins Egg Blue Lower Parts Kit

    Timber Creek AR-15 Robins Egg Blue Lower Parts Kit

    Now: $72.79
    Was: $100.00
    Timber Creek AR-15 Robins Egg Blue Lower Parts Kit       Timber Creek AR-15 Robins Egg Blue Lower Parts Kit – a top-tier package designed to elevate your AR experience. Crafted with precision and durability in mind, this kit boasts...
    Now: $72.79
    Was: $100.00
  • On Sale
    Timber Creek AR-15 OD Green Lower Parts Kit

    Timber Creek AR-15 OD Green Lower Parts Kit

    Now: $72.79
    Was: $100.00
    Timber Creek AR-15 ODGreen Lower Parts Kit       Timber Creek AR-15 ODGreen Lower Parts Kit – a top-tier package designed to elevate your AR experience. Crafted with precision and durability in mind, this kit boasts a range of...
    Now: $72.79
    Was: $100.00
  • On Sale
    Timber Creek AR-15 Tungsten Lower Parts Kit

    Timber Creek AR-15 Tungsten Lower Parts Kit

    Now: $72.79
    Was: $100.00
    Timber Creek AR-15 Tungsten Lower Parts Kit Timber Creek AR-15 Tungsten Lower Parts Kit, a precision-crafted upgrade for your firearm. Engineered for durability and enhanced functionality, this kit includes essential components designed to elevate your...
    Now: $72.79
    Was: $100.00
  • On Sale
    TCO AR-15 Red Lower Parts Kit

    Timber Creek AR-15 Red Lower Parts Kit

    Now: $72.79
    Was: $100.00
    Timber Creek AR-15 Red Lower Parts Kit       Timber Creek AR-15 Red Lower Parts Kit, meticulously crafted to elevate your firearm's performance and aesthetics. This comprehensive kit includes the TC Ambidextrous Safety Selector, TC...
    Now: $72.79
    Was: $100.00
  • On Sale
    TCO AR-15 Purple Lower Parts Kit

    Timber Creek AR-15 Purple Lower Parts Kit

    Now: $72.79
    Was: $100.00
    Timber Creek AR-15 Purple Lower Parts Kit       Timber Creek AR-15 Purple Lower Parts Kit, a meticulously crafted set designed to elevate your firearm customization to new heights. This kit includes premium components that not only...
    Now: $72.79
    Was: $100.00
  • On Sale
    Timber Creek AR-15 Orange Lower Parts Kit

    Timber Creek AR-15 Orange Lower Parts Kit

    Now: $72.79
    Was: $100.00
    Timber Creek AR-15 Orange Lower Parts Kit       Timber Creek AR-15 Orange Lower Parts Kit, a meticulously crafted set designed to elevate your firearm customization to new heights. This kit includes premium components that not only...
    Now: $72.79
    Was: $100.00
  • On Sale
    TCO AR-15 Flat Dark Earth Lower Parts Kit

    Timber Creek AR-15 Flat Dark Earth Lower Parts Kit

    Now: $72.79
    Was: $100.00
    Timber Creek AR-15 Flat Dark Earth Lower Parts Kit       Timber Creek AR-15 Flat Dark Earth (FDE) Lower Parts Kit, a meticulously crafted set designed to enhance your AR-15 build with precision and style. Engineered for reliability...
    Now: $72.79
    Was: $100.00
  • On Sale
    Timber Creek AR-15 Burnt Bronze Lower Parts Kit

    Timber Creek AR-15 Burnt Bronze Lower Parts Kit

    Now: $72.79
    Was: $100.00
    Timber Creek AR-15 Burnt Bronze Lower Parts Kit       Timber Creek AR-15 Burnt Bronze Lower Parts Kit, a precision-engineered package designed to elevate your AR-15 build. Crafted with meticulous attention to detail, this kit boasts...
    Now: $72.79
    Was: $100.00
  • On Sale
    Timber Creek AR-15 Blue Lower Parts Kit

    Timber Creek AR-15 Blue Lower Parts Kit

    Now: $72.79
    Was: $100.00
    Timber Creek AR-15 Blue Lower Parts Kit       Title: Timber Creek AR-15 Blue Lower Parts Kit - Elevate Your Firearm with Precision and Style Description: Upgrade your AR-15 with the Timber Creek AR-15 Blue Lower Parts Kit, a...
    Now: $72.79
    Was: $100.00
  • On Sale
    Anderson Magpul Lower Parts Kit-Timney Trigger- Anderson Magpul Lower Parts Kit-Timney Trigger-

    Anderson Magpul Lower Parts Kit-Timney Trigger

    Now: $282.09
    Was: $316.59
    Anderson Magpul Advanced Lower Parts Kit-Timney Trigger-   FREE SHIPPING The Lower Parts Kit With Timney 100% Drop In Trigger for AM-15 includes the following: Timney 100% Drop In Trigger Bolt Catch, Bolt Catch Plunger, Bolt Catch Roll Pin,...
    Now: $282.09
    Was: $316.59
  • On Sale
    Timber Creek AR-15 black Lower Parts Color Kit.

    Timber Creek AR-15 Black Lower Parts Color Kit

    Now: $53.68
    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: $53.68
    Was: $64.99
  • On Sale
    Timber Creek AR-15 Black Lower Parts Kit.

    Timber Creek AR-15 Black Lower Parts Kit

    Now: $72.79
    Was: $98.99
    Timber Creek AR-15 Black Lower Parts Kit Description: Elevate your firearm assembly with the Timber Creek AR-15 Black Lower Parts Kit, meticulously crafted to provide the utmost precision and reliability. This kit serves as the cornerstone...
    Now: $72.79
    Was: $98.99
  • On Sale
    AR-15 Mil Spec Ambi Lower Build Kit minus Lower Receiver-A1Armory. AR-15 Mil Spec Lower Build Kit minus Lower Receiver-A1Armory.

    AR-15 Mil Spec Lower Build Kit minus Lower Receiver

    Now: $80.07
    Was: $119.99
    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...
    Now: $80.07
    Was: $119.99
  • A1Armory AR-15 31 piece complete lower parts kit with fire control group.

    A1Armory 31 piece Lower Parts Kit

    $35.44
    A1Armory AR-15 Lower Parts Kit       Product Description: Upgrade your AR-15 with the A1Armory AR-15 Lower Parts Kit, a comprehensive set of precision-engineered components designed to enhance the performance and reliability of your...
    $35.44
  • A1Armory AR15 Fire Control Group FCG lower parts kit

    A1Armory AR-15 Fire Control Group FCG

    $27.29
    A1Armory AR-15 Fire Control Group FCG       Material Excellence: The A1Armory AR-15 Fire Control Group is crafted with precision using high-quality materials to ensure exceptional durability and performance. The trigger and hammer are...
    $27.29
  • Presma 28 Piece AR-15 Lower Parts Kit .223/5.56

    Presma 28 Piece AR-15 Lower Parts Kit .223/5.56

    $26.38
    Presma 28 Piece AR-15 Lower Parts Kit [without FCG]       Description: Upgrade your AR-15 with the Presma 28 Piece Lower Parts Kit, meticulously crafted to deliver superior performance and reliability. This comprehensive kit is...
    $26.38
  • AR15 MIL SPEC SPRING KIT WITH TRIGGER SPRING, HAMMER SPRING, FROM A1ARMORY

    A1Armory Mil-Spec Lower Parts Spring Kit

    $4.32
    A1Armory AR-15 Mil-Spec Lower Parts Spring Kit       AR-15 Mil-Spec Lower Parts Spring Kit – meticulously crafted for precision and reliability. Elevate your AR-15 with this comprehensive kit, ensuring optimal performance for every...
    $4.32
  • On Sale
    AR15 PARTIAL LOWER PARTS KIT WITH NO TRIGGER GUARD OR MAGAZINE CATCH

    WLA AR-15 FCG Lower Parts Kit

    Now: $40.94
    Was: $54.99
    WLA AR-15 FCG Lower Parts Kit     Our lower parts kits contain all high quality, 100% USA produced components, manufactured to our exacting standards.  Each kit is guaranteed to fit your mil-spec dimension lower receiver.  We don't...
    Now: $40.94
    Was: $54.99
  • AR15 Pin and Detent Kit AR15 Pin and Detent Kit

    AR15 Pin and Detent Kit

    $11.60
    AR-15 Phosphate Pin and Detent Kit       Title: AR-15 Phosphate Pin and Detent Kit - Precision Crafted USA Components for Mil-Spec Lower Receivers Description: Elevate your AR-15 build with our meticulously crafted AR-15...
    $11.60
  • AR15 Lost Parts springs and detents/pins  Kit

    A1Armory AR15 Lost Parts Kit

    $15.42
    A1Armory AR15 Lost Parts Kit     A1Armory AR15 Lost Parts Kit Set - a comprehensive solution designed to keep your AR15 build on track by providing a complete set of high-quality, 100% USA-produced components. Crafted with meticulous attention...
    $15.42