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 Cerakote Black Gold Splattered A2 Grip

    AR-15 Cerakote Black Gold Splattered A2 Grip

    MSRP: $29.99
    $27.59
    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
    $27.59
  • 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 White Mil Spec Castle Nut

    AR-15 White Mil Spec Castle Nut

    MSRP: $17.99
    $16.55
    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: $17.99
    $16.55
  • 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 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 Red Cerakote A2 Pistol Grip

    AR-15 Red Cerakote A2 Grip

    MSRP: $24.99
    $22.99
    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: $24.99
    $22.99
  • 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 USA Splattered A2 Grip

    AR-15 Cerakote USA Splattered A2 Grip

    MSRP: $34.99
    $27.59
    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: $34.99
    $27.59
  • AR-15 Cerakote Zombie Green Safety Selector

    AR-15 Cerakote Zombie Green Safety Selector

    MSRP: $29.99
    $27.59
    AR-15 Cerakote Zombie Green Safety Selector       Bring aggressive style and rock-solid reliability to your build with our Zombie Green Cerakote Safety Selector. Precision-built from high-strength steel and finished in-house,...
    MSRP: $29.99
    $27.59
  • AR-15 Cerakote Blue Flame Ambidextrous Safety Selector V.2

    AR-15 Cerakote Blue Flame Ambidextrous Safety Selector V.2

    $41.39
    AR-15 Cerakote Blue Flame Ambidextrous Safety Selector V.2       AR-15 Cerakote Blue Flame Ambidextrous Safety Selector V.2 Performance Meets Precision in a Bold Cerakote Finish Upgrade your AR-15 with the Cerakote Blue Flame...
    $41.39
  • AR Platform Black Anodized Skeletonized Pistol Grip

    AR Platform Black Anodized Skeletonized Pistol Grip

    MSRP: $48.99
    $35.87
    AR Platform Black Anodized Skeletonized Pistol Grip       Upgrade your rifle or pistol with the A2 Skeleton Grip — a lightweight, precision-machined enhancement built for comfort, performance, and style...
    MSRP: $48.99
    $35.87
  • AR-15 Pink Gradient Cerakote Pistol Buffer Tube Kit

    AR15 Pink Gradient Pistol Buffer Tube Kit

    MSRP: $49.95
    $45.95
    AR-15 Pink Gradient Cerakote Pistol Buffer Tube Kit       Add eye-catching style and dependable function to your AR-15 pistol build with the Pink Gradient Cerakote Pistol Buffer Tube Kit. Featuring a sleek black-to-pink Cerakote finish and...
    MSRP: $49.95
    $45.95
  • AR-15 ODG Ambidextrous Extended Modular Magazine Release

    AR-15 ODG Ambidextrous Extended Modular Magazine Catch Release

    MSRP: $34.99
    $22.99
    AR-15 ODG Ambidextrous Extended Modular Magazine Release     Upgrade your rifle with the AR-15 ODG Anodized Ambidextrous Magazine Release, engineered for peak performance, reliability, and visual appeal. Whether you're a left-handed shooter or...
    MSRP: $34.99
    $22.99
  • AR-15 Gold Ambidextrous Extended Modular Magazine Release

    AR-15 Gold Ambidextrous Extended Modular Magazine Release

    MSRP: $34.99
    $22.99
    AR-15 Gold Ambidextrous Extended Modular Magazine Release     Take your rifle to the next level with the AR-15 Gold Ambidextrous Extended Modular Magazine Release – a performance-driven, visually striking upgrade that blends enhanced...
    MSRP: $34.99
    $22.99
  • AR-15 Anodized Gold Bolt Catch Assembly

    AR-15 Anodized Gold Bolt Catch Assembly

    MSRP: $24.99
    $22.99
    AR-15 Anodized Gold Bolt Catch Assembly       AR Platform Gold Bolt Catch Assembly, a rugged and stylish addition to your AR-15 rifle. This bolt catch assembly is meticulously crafted with precision and durability in mind,...
    MSRP: $24.99
    $22.99
  • Guntec AR-15 Gold Knurled Extended Takedown Pin Sets

    Guntec AR-15 Gold Knurled Extended Takedown Pin Sets

    MSRP: $29.99
    $27.55
    Guntec AR-15 Gold Knurled Extended Takedown Pin Sets       Upgrade your AR-15 lower receiver with the Guntec Gold Knurled Extended Takedown Pin Sets, combining strength, functionality, and eye-catching style. These anodized pins are...
    MSRP: $29.99
    $27.55
  • AR-15 Gold Extended Bolt Release Bad Lever

    AR15 Gold Anodized Bolt Release Bad Lever

    MSRP: $29.99
    $21.15
    AR-15 Gold Extended Bolt Release Bad Lever       Take your rifle to the next level with the AR-15 Gold Extended Bolt Release Bad Lever – a high-performance upgrade designed to dramatically improve your reload speed, ergonomics, and...
    MSRP: $29.99
    $21.15
  • AR-15AR-10 Sniper Grey Cerakote Splatter Beavertail Pistol Grip

    AR-15/AR-10 Sniper Grey Cerakote Splatter Beavertail Pistol Grip

    MSRP: $29.99
    $27.59
    AR-15/AR-10 Sniper Grey Cerakote Splatter Beavertail Pistol Grip       Upgrade your AR build with both style and functionality using our Sniper Grey Cerakote Splatter Beavertail Pistol Grip. Designed for enhanced control and striking...
    MSRP: $29.99
    $27.59
  • Guntec Green Ultralight Skeletonized Pistol Grip

    Guntec Green Anodized Ultralight Skeletonized Pistol Grip

    MSRP: $79.99
    $73.59
    Guntec Green Ultralight Skeletonized Pistol Grip     Upgrade your AR-15 with a pistol grip that blends innovative engineering, striking aesthetics, and unbeatable performance. The Guntec Green Ultralight Skeletonized Pistol Grip is built...
    MSRP: $79.99
    $73.59
  • AR15 Custom Cerakote white Colored Lower Parts Kit-No Grip

    AR15 Custom Cerakote Colored Lower Parts Kit-No Grip

    MSRP: $98.99
    $78.19
    AR15 Custom Cerakote Colored Lower Parts Kit-No Grip       Upgrade your AR-15 build with our Custom Cerakote Colored Lower Parts Kit, offering premium components with a durable, high-quality Cerakote finish in the color of your choice...
    MSRP: $98.99
    $78.19
  • AR-15 Black Skeletonized Finger Stop

    AR15 Black Skeletonized Mlok Finger Stop

    MSRP: $22.99
    $17.47
    AR-15 Black Skeletonized Finger Stop     Upgrade your AR platform with the XTS Black Skeletonized Finger Stop — a precision-engineered grip enhancement designed to improve control, reduce hand fatigue, and maintain agility during...
    MSRP: $22.99
    $17.47
  • AR-15 Pink Dual Steel Ambidextrous Safety Selector Switch

    AR-15 Cerakote Pink Dual Steel Ambidextrous Safety Selector Switch

    MSRP: $28.99
    $26.67
    AR-15 Pink Dual Steel Ambidextrous Safety Selector Switch       Add a bold touch of color and professional-grade functionality to your rifle with the AR-15 Pink Dual Steel Ambidextrous Safety Selector Switch. Designed for both...
    MSRP: $28.99
    $26.67
  • AR-15 Red Dual Steel Ambidextrous Safety Selector Switch

    AR-15 Cerakote Red Dual Steel Ambidextrous Safety Selector Switch

    MSRP: $28.99
    $26.67
    AR-15 Red Dual Steel Ambidextrous Safety Selector Switch       Upgrade your rifle with a safety selector that combines mil-spec performance, ambidextrous functionality, and a distinctive Cerakote Red finish. The AR-15 Red Dual...
    MSRP: $28.99
    $26.67
  • AR-15 Gold Dual Steel Ambidextrous Safety Selector Switch

    AR-15 Cerakote Gold Dual Steel Ambidextrous Safety Selector Switch

    MSRP: $28.99
    $26.67
    AR-15 Gold Dual Steel Ambidextrous Safety Selector Switch       Upgrade your AR-15 with a mil-spec safety selector switch that combines rugged reliability, ambidextrous control, and a head-turning gold Cerakote finish. Whether...
    MSRP: $28.99
    $26.67
  • AR-15 Gold Cerakote A2 Grip

    AR-15 Gold Cerakote A2 Pistol Grip

    MSRP: $22.99
    $17.47
    AR-15 Gold Cerakote A2 Grip       Upgrade your rifle’s style and performance with the AR-15 Gold A2 Pistol Grip. Designed to fit both AR-15 and AR-10 platforms, this grip delivers classic...
    MSRP: $22.99
    $17.47
  • AR-15 Robins Egg Blue Cerakote Blackhawk Buffer Tube Kit

    AR-15 Robins Egg Blue Cerakote Blackhawk Stock Buffer Tube Kit

    MSRP: $109.99
    $81.87
    AR-15 Robins Egg Blue Cerakote Blackhawk Buffer Tube Kit       Add a touch of unique style and superior performance to your AR-15 with the Robin's Egg Blue Cerakote Blackhawk Stock Kit. This premium kit is designed for AR-15 enthusiasts...
    MSRP: $109.99
    $81.87
  • Colored Anti Walk Trigger & Hammer Pin and Plates Kit

    Colored Anti Walk Trigger & Hammer Pin and Plates Kit

    $17.47
    Colored Anti Walk Trigger & Hammer Pin and Plates Kit     Upgrade your AR-15 or AR-10 with the AR15 Colored Anti-Walk Trigger & Hammer Pin and Plates Kit by Presma Inc. Designed for enhanced performance and longevity, this kit provides...
    $17.47
  • AR15 XTS-Anodized Purple Parts Kit

    AR15 XTS-Anodized Purple Parts Kit

    MSRP: $124.99
    $101.19
    AR-15 XTS-Anodized Purple Parts Kit         Build. Upgrade. Customize. In Style.FREE SHIPPING INCLUDED Upgrade your AR-15 rifle with precision and flair using the XTS Anodized Purple Parts Kit – a complete solution...
    MSRP: $124.99
    $101.19
  • AR15 Custom Cerakote Birthday Splatter M4 Buttstock

    AR-15 White Custom Cerakote Birthday Splatter M4 Buttstock

    MSRP: $109.99
    $55.19
    AR-15 Custom Cerakote Birthday Splatter M4 Buttstock       Upgrade your AR-15 with the unique and durable Custom Cerakote Birthday Splatter M4 Buttstock. This eye-catching MIL-SPEC 6-position stock is not...
    MSRP: $109.99
    $55.19
  • Guntec Purple Extended Catch Release

    Guntec Purple Extended Mag Catch Paddle Release

    $26.63
    Guntec Purple Extended Catch Release       Elevate your AR platform with the Guntec AR Purple Extended Mag Catch Release, a precision-engineered upgrade that brings together vibrant style, reliable functionality, and ergonomic excellence...
    $26.63
  • Ar15 cerakote pink extended takedown pin set with hardware.

    AR-15 Cerakote Pink Extended Takedown Pin Set

    $27.51
    AR-15 Cerakote Pink Extended Takedown Pin Set       Add both flair and function to your AR-15 with the Cerakote Pink Extended Takedown Pin Set — a must-have for firearm enthusiasts looking to...
    $27.51
  • Ar15 cerakote robins egg blue extended takedown pin set with hardware.

    AR-15 Cerakote Robins Egg Blue Extended Takedown Pin Set

    $27.51
    AR-15 Cerakote Robins Egg Blue Extended Takedown Pin Set       Enhance both the performance and visual appeal of your AR-15 with the Cerakote Robin’s Egg Blue Extended Takedown Pin Set. Crafted for serious shooters who value both...
    $27.51
  • Ar15 cerakote hunter orange extended takedown pin set with hardware.

    AR-15 Cerakote Hunter Orange Extended Takedown Pin Set

    $27.51
    AR-15 Cerakote Hunter Orange Extended Takedown Pin Set       Enhance both the performance and visual appeal of your AR-15 with the Cerakote Orange Extended Takedown Pin Set. Crafted for serious...
    $27.51