AR-15 Lower Parts

AR-15 Lower Parts

At A1Armory.com, our selection of AR-15 Lower Parts encompasses an extensive range of components meticulously crafted to elevate your firearm's performance and durability. Designed with precision engineering and manufactured to exacting standards, our lower parts are the cornerstone of any AR-15 build, ensuring reliability and optimal functionality. From trigger assemblies to buffer tubes, each part is carefully selected to guarantee compatibility and seamless integration, whether you're assembling a new rifle or upgrading an existing platform.

  • AR-15 Enhanced White Bolt Catch Assembly

    AR-15 White Enhanced Bolt Catch Assembly

    MSRP: $29.99
    $17.99
    AR-15 Enhanced White Bolt Catch Assembly       Elevate your AR-15's reliability and ease of operation with our precision-engineered Cerakote White Bolt Catch Assembly. Crafted meticulously from gun-quality steel, this robust component is...
    MSRP: $29.99
    $17.99
  • AR-15 enhanced Black Bolt Catch Assembly

    AR-15 Black Enhanced Bolt Catch Assembly

    MSRP: $19.99
    $17.99
    AR-15 Black Bolt Catch Assembly       Elevate your AR-15's reliability and ease of operation with our precision-engineered Black Bolt Catch Assembly Guard. Crafted meticulously from gun-quality steel, this robust component is designed...
    MSRP: $19.99
    $17.99
  • AR-15 Dark Silver Dual Safety Selector Lever

    AR-15 Dark Silver Dual Safety Selector Lever

    MSRP: $32.99
    $22.49
    AR-15 Dark Silver Dual Safety Selector Lever       Upgrade your AR-15 for superior performance, safety, and versatility with our premium Dark Silver Ambidextrous Dual Safety Selector Lever. Engineered to provide ease of use for both right...
    MSRP: $32.99
    $22.49
  • AR-15 Cerakote Sniper Grey Ambidextrous Safety Selector V.2

    AR-15 Cerakote Sniper Grey Ambidextrous Safety Selector V.2

    MSRP: $39.99
    $31.46
    AR-15 Cerakote Sniper Grey Ambidextrous Safety Selector V.2     Elevate your rifle’s functionality and appearance with our premium AR-15 Cerakote Sniper Grey Ambidextrous Safety Selector V.2. Expertly engineered to deliver...
    MSRP: $39.99
    $31.46
  • AR-15 Cerakote ODG Ambidextrous Safety Selector V.2

    AR-15 Cerakote ODG Ambidextrous Safety Selector V.2

    MSRP: $39.99
    $31.46
    AR-15 Cerakote ODG Ambidextrous Safety Selector V.2       Upgrade your rifle's ergonomics, safety, and aesthetics with the Ambidextrous Safety Selector V.2 finished in durable and stylish Cerakote Olive Drab Green (ODG)...
    MSRP: $39.99
    $31.46
  • AR-15 parts Cerakote Hunter Orange Ambidextrous Safety Selector V.2

    AR-15 Cerakote Hunter Orange Ambidextrous Safety Selector V.2

    MSRP: $39.99
    $31.46
    AR-15 Cerakote Hunter Orange Ambidextrous Safety Selector V.2       Enhance your AR-15's functionality and appearance with the Cerakote Hunter Orange Ambidextrous Safety Selector V.2. Engineered for versatility and durability,...
    MSRP: $39.99
    $31.46
  • AR-15 Safety Selector Lever with Detent & Spring

    AR-15 Safety Selector Lever with Detent & Spring

    MSRP: $19.99
    $11.69
    AR-15 Safety Selector Lever with Detent & Spring       Ensure reliable, consistent fire control with this Mil-Spec AR-15 Safety Selector Lever, complete with a selector detent and spring for easy installation. Designed for precision...
    MSRP: $19.99
    $11.69
  • AR-15 Cerakote Black Gold Splattered A2 Grip

    AR-15 Cerakote Black Gold Splattered A2 Grip

    MSRP: $29.99
    $22.49
    AR-15 Cerakote Black Gold Splattered A2 Grip       Elevate the look and feel of your rifle or pistol with the AR-15 Cerakote Black Gold Splattered A2 Grip. Built for durability and style, this A2 grip delivers...
    MSRP: $29.99
    $22.49
  • AR-15 Pink Mil Spec Castle Nut

    AR-15 Pink Mil Spec Castle Nut

    MSRP: $12.99
    $11.69
    AR-15 Pink Mil Spec Castle Nut       Upgrade your rifle’s lower receiver with a reliable and stylish touch. This AR-15 Pink Mil-Spec Castle Nut offers rock-solid retention for your buffer tube while adding a custom Cerakote finish...
    MSRP: $12.99
    $11.69
  • AR-15 Olive Drab Green ODG Mil Spec Castle Nut

    AR-15 Olive Drab Green ODG Mil Spec Castle Nut

    MSRP: $12.99
    $11.69
    AR-15 Olive Drab Green ODG Mil Spec Castle Nut       Upgrade your rifle’s lower receiver with a reliable and stylish touch. This AR-15 ODG Mil-Spec Castle Nut offers rock-solid retention for your buffer tube while adding a custom...
    MSRP: $12.99
    $11.69
  • AR-15 Hunter Orange Mil Spec Castle Nut

    AR-15 Hunter Orange Mil Spec Castle Nut

    MSRP: $12.99
    $11.69
    AR-15 Hunter Orange Mil Spec Castle Nut       Upgrade your rifle’s lower receiver with a reliable and stylish touch. This AR-15 Orange Mil-Spec Castle Nut offers rock-solid retention for your buffer tube while adding a custom...
    MSRP: $12.99
    $11.69
  • AR-15 FDE Mil Spec Castle Nut

    AR-15 Flat Dark Earth FDE Mil Spec Castle Nut

    MSRP: $12.99
    $11.69
    AR-15 FDE Mil Spec Castle Nut       Upgrade your rifle’s lower receiver with a reliable and stylish touch. This AR-15 FDE Mil-Spec Castle Nut offers rock-solid retention for your buffer tube while adding a custom Cerakote finish that...
    MSRP: $12.99
    $11.69
  • AR-15 Burnt Bronze Mil Spec Castle Nut

    AR-15 Burnt Bronze Mil Spec Castle Nut

    MSRP: $12.99
    $11.69
    AR-15 Burnt Bronze Mil Spec Castle Nut       Upgrade your rifle’s lower receiver with a reliable and stylish touch. This AR-15 Burnt Bronze Mil-Spec Castle Nut offers rock-solid retention for your buffer tube while adding a custom...
    MSRP: $12.99
    $11.69
  • AR-15 White Mil Spec Castle Nut

    AR-15 White Mil Spec Castle Nut

    MSRP: $12.99
    $11.69
    AR-15 White Mil Spec Castle Nut       Give your rifle a clean, customized touch with the AR-15 White Mil-Spec Castle Nut. Built for performance and durability, this castle nut is precision-machined from rugged tool steel and finished in a...
    MSRP: $12.99
    $11.69
  • AR-15 Lemon Zest Yellow Mil Spec Castle Nut

    AR-15 Lemon Zest Yellow Mil Spec Castle Nut

    MSRP: $12.99
    $11.69
    AR-15 Lemon Zest Yellow Mil Spec Castle Nut       Bring bold style and solid reliability to your AR-15 build with the AR-15 Lemon Zest Yellow Mil-Spec Castle Nut. Crafted from rugged 4140 tool steel and finished in a vibrant Cerakote Lemon...
    MSRP: $12.99
    $11.69
  • AR15 Red Mil Spec Castle Nut

    AR15 Red Mil Spec Castle Nut

    MSRP: $12.99
    $11.69
    AR-15 Red Mil Spec Castle Nut     Secure your buffer tube with confidence — and a splash of bold, custom color. The AR-15 Red Mil-Spec Castle Nut is built to deliver reliable retention for your buffer tube assembly while adding a...
    MSRP: $12.99
    $11.69
  • AR15 Robins Egg Blue Mil Spec Castle Nut

    AR15 Robins Egg Blue Mil Spec Castle Nut

    MSRP: $12.99
    $11.69
    AR-15 Robins Egg Blue Mil Spec Castle Nut     Secure your buffer tube with confidence — and a splash of bold, custom color. The AR-15 Robins Egg Mil-Spec Castle Nut is built to deliver reliable retention for your buffer tube assembly...
    MSRP: $12.99
    $11.69
  • AR15 Custom Cerakote Splatter Sniper GreyPink Lower Parts Kit

    AR15 Custom Cerakote Sniper Grey/Pink Splatter Lower Parts Kit

    MSRP: $129.99
    $98.09
    AR15 Custom Cerakote Splatter Sniper Grey/Pink Lower Parts Kit       AR-15 Custom Cerakote Splatter Sniper Grey/Pink Lower Parts Kit Overview: Transform your AR-15 rifle into a unique masterpiece with our Custom Cerakote Splatter Sniper...
    MSRP: $129.99
    $98.09
  • AR-15 TRUMP Engraved Magazine Catch Kit

    AR15 Laser Engraved "TRUMP" Magazine Catch Kit

    MSRP: $19.99
    $13.49
    AR-15 "TRUMP" Engraved Magazine Catch Kit       Make a statement every time you reload. The AR-15 “TRUMP” Engraved Magazine Catch Kit brings together battle-ready reliability and bold American pride, crafted with premium...
    MSRP: $19.99
    $13.49
  • AR-15 Cerakote Red Extended Takedown Pin Set

    AR-15 Cerakote Red Extended Takedown Pin Set

    MSRP: $24.99
    $17.99
    AR-15 Cerakote Red Extended Takedown Pin Set       Upgrade your AR-15 with our Cerakote Red Extended Takedown Pin Set, engineered for both enhanced usability and a bold custom look. Whether you're...
    MSRP: $24.99
    $17.99
  • AR-15 Cerakote Flat Dark Earth FDE Extended Takedown Pin Set

    AR-15 Cerakote Flat Dark Earth (FDE) Extended Takedown Pin Set

    MSRP: $24.99
    $17.99
    AR-15 Cerakote Flat Dark Earth FDE Extended Takedown Pin Set       Add both flair and function to your AR-15 with the Cerakote FDE Extended Takedown Pin Set — a must-have for firearm enthusiasts...
    MSRP: $24.99
    $17.99
  • AR-15 Cerakote Gold Extended Takedown Pin Set

    AR-15 Cerakote Gold Extended Takedown Pin Set

    MSRP: $24.99
    $17.99
    AR-15 Cerakote Gold Extended Takedown Pin Set         AR-15 Cerakote Gold Extended Takedown Pin Set With HardwareUpgrade your AR-15 with a bold, functional...
    MSRP: $24.99
    $17.99
  • AR-15 Cerakote Blue USA Splattered A2 Grip

    AR-15 Cerakote Blue USA Splattered A2 Grip

    MSRP: $29.99
    $22.49
    AR-15 Cerakote Blue USA Splattered A2 Grip         Give your AR-15 a bold, patriotic touch with the Cerakote Blue USA Splattered A2 Grip. Designed to fit standard Mil-Spec lower receivers, this grip adds both...
    MSRP: $29.99
    $22.49
  • AR-15 Cerakote Red USA Splattered A2 Grip

    AR-15 Cerakote Red USA Splattered A2 Grip

    MSRP: $29.99
    $22.49
    AR-15 Cerakote Red USA Splattered A2 Grip         Give your AR-15 a bold, patriotic touch with the Cerakote Red USA Splattered A2 Grip. Designed to fit standard Mil-Spec lower receivers, this grip adds both...
    MSRP: $29.99
    $22.49
  • AR-15 Custom Cerakote Blue USA Splatter Pistol Buffer Tube

    AR-15 Custom Cerakote Blue USA Splatter Pistol Buffer Tube

    $40.49
    AR-15 Custom Cerakote Blue USA Splatter Pistol Buffer Tube       Custom Cerakote Blue USA Splatter Pistol Buffer Tube, a perfect blend of durability, functionality, and unique style. Crafted from premium T6-6061 aluminum, this buffer...
    $40.49
  • AR-15 Custom Cerakote Red USA Splatter Pistol Buffer Tube

    AR-15 Custom Cerakote Red USA Splatter Pistol Buffer Tube

    $40.49
    AR-15 Custom Cerakote Red USA Splatter Pistol Buffer Tube       Custom Cerakote Red USA Splatter Pistol Buffer Tube, a perfect blend of durability, functionality, and unique style. Crafted from premium T6-6061 aluminum, this buffer...
    $40.49
  • AR-15 Custom Cerakote USA Splatter Pistol Buffer Tube

    AR-15 Custom Cerakote USA Splatter Pistol Buffer Tube

    $40.49
    AR-15 Custom Cerakote USA Splatter Pistol Buffer Tube       Custom Cerakote USA Splatter Pistol Buffer Tube, a perfect blend of durability, functionality, and unique style. Crafted from premium T6-6061 aluminum, this buffer tube...
    $40.49
  • AR-15 FDE Cerakote Gradient A2 Pistol Grip

    AR-15 FDE Cerakote A2 Pistol Grip

    MSRP: $22.99
    $17.09
    AR-15 FDE Cerakote Gradient A2 Pistol Grip       Upgrade your rifle’s look and performance with our AR-15 FDE Cerakote A2 Pistol Grip, finished in a durable, professionally applied Flat Dark Earth (FDE) Cerakote for enhanced wear...
    MSRP: $22.99
    $17.09
  • AR-15 Red Cerakote A2 Pistol Grip

    AR-15 Red Cerakote A2 Grip

    MSRP: $22.99
    $17.09
    AR-15 Red Cerakote A2 Pistol Grip       Upgrade your AR build with the reliable function and bold style of our AR-15 Red Cerakote A2 Pistol Grip. Built to mil-spec standards and coated in a vibrant custom Cerakote Red finish, this grip...
    MSRP: $22.99
    $17.09
  • AR-15 Yellow Cerakote Beavertail Pistol Grip

    AR-15/AR-10 Yellow Cerakote Beavertail Pistol Grip

    MSRP: $24.99
    $17.99
    AR-15 Yellow Cerakote Beavertail Pistol Grip       Upgrade your AR platform with bold performance and bright aesthetics. The Yellow Cerakote Beavertail Pistol Grip is engineered for comfort, control, and durability—offering a premium...
    MSRP: $24.99
    $17.99
  • AR-15AR-10 FDEBB Cerakote Splatter Beavertail Pistol Grip

    AR-15 Cerakote FDE Splatter Beavertail Pistol Grip

    MSRP: $29.99
    $22.49
    AR-15 Cerakote FDE Splatter Beavertail Pistol Grip     Premium Custom Cerakote Finish – Flat Dark Earth Base with Burnt Bronze, OD Green & Gold Splatter Upgrade your rifle with style and control. This custom Cerakote beavertail pistol...
    MSRP: $29.99
    $22.49
  • AR-15 Cerakote Red USA Engraved Pistol Grip

    AR-15 Cerakote Red USA Engraved Pistol Grip

    MSRP: $29.99
    $22.49
    AR-15 Cerakote Red USA Engraved Pistol Grip         Show your American pride while upgrading your AR-15 with this bold and durable Cerakote Red USA Engraved Pistol Grip. Engineered to Mil-Spec standards and...
    MSRP: $29.99
    $22.49
  • AR-15 Cerakote Pink USA Engraved Pistol Grip

    AR-15 Cerakote Pink USA Engraved Pistol Grip

    MSRP: $29.99
    $22.49
    AR-15 Cerakote Pink USA Engraved Pistol Grip       AR-15 Cerakote Pink USA Engraved Pistol Grip – Mil-Spec Fit, Patriotic Design Add a touch of bold color and American pride to your AR-15 build with this Cerakote Pink USA...
    MSRP: $29.99
    $22.49
  • AR-15 Cerakote Olive Drab Green ODG USA Engraved Pistol Grip

    AR-15 Cerakote Olive Drab Green ODG USA Engraved Pistol Grip

    MSRP: $29.99
    $22.49
    AR-15 Cerakote Olive Drab Green ODG USA Engraved Pistol Grip         Add rugged patriotism and durability to your rifle with this custom Cerakoted Olive Drab Green USA-engraved AR-15 pistol grip. Engineered for...
    MSRP: $29.99
    $22.49
  • AR-15 Cerakote Flat Dark Earth (FDE) USA Engraved Pistol Grip

    AR-15 Cerakote Flat Dark Earth (FDE) USA Engraved Pistol Grip

    MSRP: $29.99
    $22.49
    AR-15 Cerakote Flat Dark Earth (FDE) USA Engraved Pistol Grip       Upgrade your rifle’s ergonomics and patriotism with this AR-15 USA Engraved Pistol Grip finished in Cerakote Flat Dark Earth (FDE). Designed...
    MSRP: $29.99
    $22.49
  • AR-15 Cerakote Burnt Bronze USA Engraved Pistol Grip

    AR-15 Cerakote Burnt Bronze USA Engraved Pistol Grip

    MSRP: $29.99
    $22.49
    AR-15 Cerakote Burnt Bronze USA Engraved Pistol Grip         Upgrade your rifle with a touch of patriotic style and rugged performance. This Mil-Spec AR-15 Cerakote Bronze USA Flag Engraved Pistol Grip delivers...
    MSRP: $29.99
    $22.49
  • AR-15 Cerakote USA Splattered A2 Grip

    AR-15 Cerakote USA Splattered A2 Grip

    MSRP: $29.99
    $22.49
    AR-15 Cerakote USA Splattered A2 Grip         Add bold personality and unmatched durability to your AR-15 rifle or pistol with this Custom Cerakote Pistol Grip, crafted for both function and fierce aesthetics...
    MSRP: $29.99
    $22.49
  • AR-15 Cerakote Blue Flame Extended Takedown Pin Set

    AR-15 Cerakote Blue Flame Extended Takedown Pin Set

    MSRP: $24.99
    $17.99
    AR-15 Cerakote Blue Flame Extended Takedown Pin Set       Upgrade your rifle with both style and function. Give your AR-15 a performance and aesthetic upgrade with the Cerakote Blue Flame Extended...
    MSRP: $24.99
    $17.99
  • AR-15 Cerakote Glacier Silver Extended Takedown Pin Set

    AR-15 Cerakote Glacier Silver Extended Takedown Pin Set

    MSRP: $24.99
    $17.99
    AR-15 Cerakote Glacier Silver Extended Takedown Pin Set       Upgrade your rifle with both style and function. Give your AR-15 a performance and aesthetic upgrade with the Cerakote Glacier Silver...
    MSRP: $24.99
    $17.99