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 Stock with Rubberized Recoil Pad

    AR-15 Enhanced Stock with Rubberized Recoil Pad

    MSRP: $37.99
    $26.67
    AR-15 Enhanced Stock with Rubberized Recoil Pad         Upgrade your rifle with the AR-15 Enhanced Stock, designed for comfort, durability, and rapid adjustment. This stock is engineered for serious...
    MSRP: $37.99
    $26.67
  • AR-15 Custom Cerakote Gold M4 Buttstock

    AR-15 Custom Cerakote Gold M4 Buttstock

    MSRP: $89.99
    $55.19
    AR-15 Custom Cerakote Gold M4 Buttstock         ✅ Premium Cerakote FinishFinished in a Gold for a unique look that adds personality to your AR build while providing Cerakote’s industry-leading...
    MSRP: $89.99
    $55.19
  • AR-15 Cerakote Gold USA Engraved Pistol Grip

    AR-15 Cerakote Gold Grip USA Engraved Pistol Grip

    MSRP: $29.99
    $22.99
    AR-15 Cerakote Gold USA Engraved Pistol Grip       Upgrade your AR-15 build with our Cerakote Gold USA Engraved Pistol Grip, designed for both style and performance. This standard Mil-Spec A2 grip features a...
    MSRP: $29.99
    $22.99
  • AR-15 Gold Plated Knurled Extended Takedown Pin Sets

    AR-15 Gold Plated Knurled Extended Takedown Pin Sets

    $36.79
    AR-15 Gold Plated Knurled Extended Takedown Pin Set       Upgrade your AR-15 with this premium Gold Plated Knurled Extended Takedown Pin Set, engineered for performance and standout style. Built for both enthusiasts and competitive...
    $36.79
  • AR-15 Raw Unfinished Ultralight Skeletonized Grip

    AR-15 Raw Unfinished Ultralight Skeletonized Grip

    MSRP: $109.99
    $72.67
    AR-15 Raw Unfinished Ultralight Skeletonized Grip       Upgrade your AR-15 with this ultra-lightweight, precision-engineered grip designed for shooters who demand style, comfort, and performance. Perfect for custom...
    MSRP: $109.99
    $72.67
  • AR-15 Raw Unfinished Blasted Skeletonized Grip

    AR-15 Raw Unfinished Blasted Skeletonized Grip

    MSRP: $109.99
    $72.67
    AR-15 Raw Unfinished Blasted Skeletonized Grip       Upgrade your AR-15 with this ultra-lightweight, precision-engineered grip designed for shooters who demand style, comfort, and performance. Perfect for custom...
    MSRP: $109.99
    $72.67
  • AR-15 Raw Unfinished Knurled Extended Takedown Pin Sets

    AR-15 Raw Unfinished Knurled Extended Takedown Pin Sets

    $24.83
    AR-15 Unfinished Raw Knurled Extended Takedown Pin Set       Upgrade your AR-15 with precision and ease using this Unfinished Raw Knurled Extended Takedown Pin Set. Perfect for custom builds and those who demand both function and form,...
    $24.83
  • 2 AR-15 Stainless Knurled Gas Block Set Screws

    2 Knurled Gas Block Stainless Set Screws

    MSRP: $4.99
    $3.45
    2 AR-15 Stainless Knurled Gas Block Set Screws       Upgrade your AR-15’s gas system with A1Armory’s Stainless Knurled Gas Block Set Screws, designed for reliable performance and secure fitment. Proudly made in the USA, these...
    MSRP: $4.99
    $3.45
  • AR-15 Cerakote Red Mil Spec End Plate

    AR-15 Cerakote Red Mil Spec End Plate

    MSRP: $19.99
    $14.71
    AR-15 Cerakote Red Mil Spec End Plate       Transform your AR-15 with the Red Mil Spec End Plate, the perfect blend of durability, precision, and style. Proudly made in the USA, this high-quality end plate ensures your firearm performs at...
    MSRP: $19.99
    $14.71
  • AR-15 Cerakote Pink Mil Spec End Plate

    AR-15 Cerakote Pink Mil Spec End Plate

    MSRP: $19.99
    $14.71
    AR-15 Cerakote Pink Mil Spec End Plate       Transform your AR-15 with the Pink Mil Spec End Plate, the perfect blend of durability, precision, and style. Proudly made in the USA, this high-quality end plate ensures your firearm performs...
    MSRP: $19.99
    $14.71
  • AR-15 Cerakote FDE Mil Spec End Plate

    AR-15 Cerakote FDE Mil Spec End Plate

    MSRP: $19.99
    $14.71
    AR-15 Cerakote FDE Mil Spec End Plate       Transform your AR-15 with the FDE Mil Spec End Plate, the perfect blend of durability, precision, and style. Proudly made in the USA, this high-quality end plate ensures your firearm performs at...
    MSRP: $19.99
    $14.71
  • AR-15 Cerakote ODG Mil Spec End Plate

    AR-15 Cerakote ODG Mil Spec End Plate

    MSRP: $19.99
    $14.71
    AR-15 Cerakote ODG Mil Spec End Plate       Transform your AR-15 with the ODG Mil Spec End Plate, the perfect blend of durability, precision, and style. Proudly made in the USA, this high-quality end plate ensures your firearm performs at...
    MSRP: $19.99
    $14.71
  • AR-15 Cerakote Yellow Mil Spec End Plate

    AR-15 Cerakote Lemon Zest Yellow Mil Spec End Plate

    MSRP: $19.99
    $15.63
    AR-15 Cerakote Yellow Mil Spec End Plate       Upgrade your rifle with style and durability! The AR-15 Cerakote Yellow Mil-Spec End Plate is the perfect finishing touch for any custom build or upgrade, combining rugged steel construction...
    MSRP: $19.99
    $15.63
  • AR-15 Cerakote Hunter Orange Mil Spec End Plate

    AR-15 Cerakote Hunter Orange Mil Spec End Plate

    MSRP: $19.99
    $14.71
    AR-15 Cerakote Hunter Orange Mil Spec End Plate       Upgrade your rifle with style and durability! The AR-15 Cerakote Orange Mil-Spec End Plate is the perfect finishing touch for any custom build or upgrade, combining rugged steel...
    MSRP: $19.99
    $14.71
  • AR-15 Cerakote Gold Mil Spec End Plate

    AR-15 Cerakote Gold Mil Spec End Plate

    MSRP: $19.99
    $14.71
    AR-15 Cerakote Gold Mil Spec End Plate       Upgrade your rifle with style and durability! The AR-15 Cerakote Gold Mil-Spec End Plate is the perfect finishing touch for any custom build or upgrade, combining rugged steel construction with...
    MSRP: $19.99
    $14.71
  • AR-15 Cerakote Burnt Bronze Mil Spec End Plate

    AR-15 Cerakote Burnt Bronze Mil Spec End Plate

    MSRP: $19.99
    $14.71
    AR-15 Cerakote Burnt Bronze Mil Spec End Plate       Upgrade your AR-15 with both style and strength. Our Cerakote Burnt Bronze Mil-Spec End Plate is built tough and finished for maximum durability, giving your rifle the performance and...
    MSRP: $19.99
    $14.71
  • AR-15 Black Beavertail Pistol Grip

    AR-15 Black Beavertail Pistol Grip

    MSRP: $18.99
    $11.03
    AR-15 Black Beavertail Pistol Grip       Enhance your shooting comfort and control with the AR-15 Black Beavertail Pistol Grip. Engineered for performance and reliability, this deluxe grip is crafted from rugged high-density polymer fiber,...
    MSRP: $18.99
    $11.03
  • AR-15 Cerakote Burnt Bronze Beavertail Pistol Grip

    AR-15 Cerakote Burnt Bronze Beavertail Pistol Grip

    $21.15
    AR-15 Cerakote Burnt Bronze Beavertail Pistol Grip       Elevate your AR-15’s performance and aesthetics with our deluxe Cerakote Burnt Bronze Beavertail Pistol Grip. Expertly crafted from high-density polymer fiber, this ergonomic...
    $21.15
  • AR-15 Extended Black Bolt Catch

    AR-15 Black Extended Bolt Catch Release

    MSRP: $19.99
    $18.39
    AR-15 Extended Black Bolt Catch       Elevate your AR-15's performance and ergonomics with the Extended Black Bolt Catch. Specifically engineered for speed and comfort, this high-quality bolt catch ensures faster, smoother, and...
    MSRP: $19.99
    $18.39
  • AR-15 Enhanced FDE Bolt Catch Assembly

    AR-15 Cerakote Flat Dark Earth (FDE) Bolt Catch Assembly

    MSRP: $22.99
    $21.15
    AR-15 Enhanced FDE Bolt Catch Assembly       Elevate your AR-15's reliability and ease of operation with our precision-engineered Cerakote FDE Bolt Catch Assembly. Crafted meticulously from gun-quality steel, this robust component is...
    MSRP: $22.99
    $21.15
  • AR-15 Cerakote Gold Bolt Catch Assembly

    AR-15 Cerakote Gold Bolt Catch Assembly

    MSRP: $24.99
    $22.99
    AR-15 Cerakote Gold Bolt Catch Assembly       Elevate your AR-15's reliability and ease of operation with our precision-engineered Cerakote Gold Bolt Catch Assembly. Crafted meticulously from gun-quality steel, this robust component is...
    MSRP: $24.99
    $22.99
  • AR-15 Cerakote white Bolt Catch Assembly

    AR-15 Cerakote White Bolt Catch Assembly

    MSRP: $24.99
    $22.99
    AR-15 Cerakote 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: $24.99
    $22.99
  • AR-15 Safety Selector Lever with Detent & Spring

    AR-15 Safety Selector Lever with Detent & Spring

    MSRP: $19.99
    $11.95
    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
    $11.95
  • AR-15 Pink Mil Spec Castle Nut

    AR-15 Pink Mil Spec Castle Nut

    MSRP: $12.99
    $11.95
    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
    $11.95
  • AR-15 Olive Drab Green ODG Mil Spec Castle Nut

    AR-15 Olive Drab Green ODG Mil Spec Castle Nut

    MSRP: $16.99
    $15.63
    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: $16.99
    $15.63
  • AR-15 Hunter Orange Mil Spec Castle Nut

    AR-15 Hunter Orange Mil Spec Castle Nut

    MSRP: $12.99
    $11.95
    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
    $11.95
  • AR-15 FDE Mil Spec Castle Nut

    AR-15 Flat Dark Earth FDE Mil Spec Castle Nut

    MSRP: $12.99
    $11.95
    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
    $11.95
  • AR-15 Lemon Zest Yellow Mil Spec Castle Nut

    AR-15 Lemon Zest Yellow Mil Spec Castle Nut

    MSRP: $14.99
    $13.79
    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: $14.99
    $13.79
  • AR15 Robins Egg Blue Mil Spec Castle Nut

    AR15 Robins Egg Blue Mil Spec Castle Nut

    MSRP: $12.99
    $11.95
    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
    $11.95
  • AR-15 TRUMP Engraved Magazine Catch Kit

    AR15 Laser Engraved "TRUMP" Magazine Catch Kit

    MSRP: $19.99
    $13.79
    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
    $13.79
  • AR-15 Cerakote Red Extended Takedown Pin Set

    AR-15 Cerakote Red Extended Takedown Pin Set

    $27.51
    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...
    $27.51
  • AR-15 Cerakote Gold Extended Takedown Pin Set

    AR-15 Cerakote Gold Extended Takedown Pin Set

    $27.51
    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...
    $27.51
  • AR-15 Cerakote Red USA Splattered A2 Grip

    AR-15 Cerakote Red USA Splattered A2 Grip

    MSRP: $29.99
    $22.99
    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
    $22.99
  • AR-15 FDE Cerakote Gradient A2 Pistol Grip

    AR-15 FDE Cerakote A2 Pistol Grip

    MSRP: $22.99
    $17.47
    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
    $17.47
  • AR-15 Red Cerakote A2 Pistol Grip

    AR-15 Red Cerakote A2 Grip

    MSRP: $22.99
    $21.15
    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
    $21.15
  • AR-15 Yellow Cerakote Beavertail Pistol Grip

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

    MSRP: $24.99
    $22.99
    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
    $22.99
  • AR-15 Cerakote Red USA Engraved Pistol Grip

    AR-15 Cerakote Red USA Engraved Pistol Grip

    MSRP: $29.99
    $22.99
    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
    $22.99
  • AR-15 Cerakote Pink USA Engraved Pistol Grip

    AR-15 Cerakote Pink USA Engraved Pistol Grip

    MSRP: $29.99
    $22.99
    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
    $22.99