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 Colored Magazine Catch Kits

    AR-15 Cerakote Colored Magazine Catch Kits

    MSRP: $24.99
    $22.99
    AR-15 Cerakote Colored Magazine Catch Kits       Precision Fit. Custom Style. All-American Quality. Enhance your AR-15 build with this Cerakote-Colored Magazine Catch Kit, engineered for flawless function and bold aesthetics...
    MSRP: $24.99
    $22.99
  • AR-15 Cerakote Black USA Engraved Pistol Grip

    AR-15 Cerakote Black USA Engraved Pistol Grip

    MSRP: $26.99
    $21.15
    AR-15 Cerakote Black USA Engraved Pistol Grip         Upgrade your rifle with a touch of patriotic style and rugged performance. This Mil-Spec AR-15 Cerakote Black USA Flag Engraved Pistol Grip delivers comfort,...
    MSRP: $26.99
    $21.15
  • AR-15 Cerakote Hunter Orange USA Engraved Pistol Grip

    AR-15 Cerakote Hunter Orange USA Engraved Pistol Grip

    MSRP: $29.99
    $22.99
    AR-15 Cerakote Hunter Orange USA Engraved Pistol Grip       Upgrade your rifle with this Custom Cerakote Hunter Orange AR-15 Pistol Grip, proudly engraved with the American flag. This grip offers a durable, ergonomic, and...
    MSRP: $29.99
    $22.99
  • AR-15 Mil Spec Cerakote Black Single Stage Trigger

    AR-15 Mil Spec Cerakote Black Single Stage Trigger

    MSRP: $24.99
    $22.99
    AR-15 Mil Spec Cerakote Black Single Stage Trigger         Crafted from high-quality 8620 alloy steel, the Mil-Spec AR-15 Trigger by A1Armory exemplifies precision engineering. Meticulously machined to exact dimensions,...
    MSRP: $24.99
    $22.99
  • Timber Creek Greyman Black Textured Pistol Grip with background

    Timber Creek Greyman Black Textured Pistol Grip

    MSRP: $24.99
    $17.47
    Timber Creek Greyman Black Textured Pistol Grip       Upgrade your AR platform with the Timber Creek Greyman Black Textured Pistol Grip—a perfect blend of tactical function, sleek design, and rugged durability. Whether you're heading...
    MSRP: $24.99
    $17.47
  • AR-15 AR-10 White Cerakote USA Engraved Pistol Grip.

    AR-15 White Cerakote USA Flag Engraved Pistol Grip

    MSRP: $29.99
    $22.99
    AR-15/AR-10 White Cerakote USA Engraved Pistol Grip       Upgrade your rifle with precision, pride, and performance. The AR-15/AR-10 White Cerakote USA Engraved Pistol Grip combines rugged durability with a clean, custom...
    MSRP: $29.99
    $22.99
  • Guntec AR15 Black Chrome Mil Spec Buffer Tube Set

    Guntec AR15 Black Chrome Mil Spec Buffer Tube Set

    MSRP: $118.99
    $82.75
    Guntec AR15 Black Chrome Mil Spec Buffer Tube Set         The Guntec AR15 Black Chrome Mil Spec Buffer Tube Set is a premier quality accessory meticulously designed for AR15 rifle platforms. Constructed from...
    MSRP: $118.99
    $82.75
  • Guntec AR15 Black Chrome Dual Sling End Plate

    Guntec AR15 Black Chrome Dual Sling End Plate

    $22.94
    Guntec AR15 Black Chrome Dual Sling End Plate         The Guntec AR15 Black Chrome Dual Sling End Plate is a high-quality component designed to enhance the functionality and usability of your AR15 rifle. Made...
    $22.94
  • AR-15 Mil-Spec Carbine Receiver Buffer Parts Kit-No Tube

    AR-15 Mil-Spec Carbine Receiver Buffer Parts Kit-No Tube

    $14.67
    AR-15 Mil-Spec Carbine Receiver Buffer Parts Kit-No Tube       Enhance the performance and reliability of your AR-15 with our Mil-Spec Carbine Receiver Buffer Parts Kit. This high-quality kit includes essential components designed to...
    $14.67
  • AR15 Custom Cerakote Birthday Splatter Pistol Buffer Tube

    AR15 Custom Cerakote Birthday Splatter Pistol Buffer Tube

    $41.39
    AR15 Custom Cerakote Birthday Splatter Pistol Buffer Tube     Custom Cerakote Birthday Splatter Pistol Buffer Tube, a perfect blend of durability, functionality, and unique style. Crafted from premium T6-6061 aluminum, this buffer tube...
    $41.39
  • AR-15 Blackhawk Knoxx Six Position Buffer Tube Kit

    AR-15 Blackhawk Knoxx Six Position Buffer Tube Kit

    MSRP: $74.99
    $35.87
    AR-15 Blackhawk Knoxx Six Position Buffer Tube Kit         Upgrade the performance and versatility of your AR-15 with the Blackhawk Knoxx Six Position Buffer Tube Kit. This comprehensive Mil-Spec kit includes everything you need for...
    MSRP: $74.99
    $35.87
  • AR-15 FDE Cerakote Butt Stock 6 Position buffer kit

    AR-15 FDE Cerakote Butt Stock 6 Position buffer kit

    MSRP: $88.99
    $34.95
    AR-15 FDE Cerakote Butt Stock 6 Position buffer kit     Upgrade your AR-15 with the AR-15 FDE Cerakote Butt Stock 6 Position Buffer Kit, a premium addition designed to enhance the functionality, durability, and aesthetic appeal of your rifle...
    MSRP: $88.99
    $34.95
  • AR-15 Cerakote Lemon Zest Yellow Standard ButtStock

    AR-15 Cerakote Lemon Zest Yellow Standard ButtStock

    MSRP: $88.99
    $36.79
    AR-15 Cerakote Lemon Zest Yellow Standard ButtStock     Elevate your AR-15 with a splash of vibrant style and unparalleled functionality with the AR-15 Cerakote Lemon Zest Yellow Standard Buttstock. This buttstock is designed to meet the...
    MSRP: $88.99
    $36.79
  • AR-15 Cerakote Sniper Grey Extended Takedown Pin Set

    AR-15 Cerakote Sniper Grey Extended Takedown Pin Set

    $27.51
    AR-15 Cerakote Sniper Grey Extended Takedown Pin Set       Upgrade your AR-15 with this high-performance Extended Takedown Pin Set, expertly crafted for both function and form. Featuring a Cerakote...
    $27.51
  • AR15 Custom Cerakote Birthday Splatter A2 Grip

    AR Platform Custom Cerakote Birthday Splatter A2 Grip

    MSRP: $29.99
    $27.59
    AR15 Custom Cerakote Birthday Splatter A2 Grip       Upgrade your AR-15 rifle or pistol with the AR15 Custom Cerakote Birthday Splatter A2 Grip. This unique and vibrant grip is designed to not only enhance the aesthetics of your...
    MSRP: $29.99
    $27.59
  • AR15 Cerakote Zombie Green 6 Position Buffer Tube

    AR15 Cerakote Zombie Green 6 Position Buffer Tube

    $36.79
    AR15 Cerakote Zombie Green 6 Position Buffer Tube       Add a bold, tactical edge to your rifle with the AR-15 Cerakote Zombie Green 6-Position Buffer Tube — built for strength, reliability, and visual impact. Precision-machined in...
    $36.79
  • AR15 Cerakote NRA Blue Trigger.

    AR15 Cerakote NRA Blue Trigger

    MSRP: $24.99
    $22.99
    AR15 Cerakote NRA Blue Trigger       Elevate your AR-15's performance and aesthetics with our premium Cerakote NRA Blue Trigger. Designed for precision and durability, this trigger is the perfect upgrade for any enthusiast seeking both...
    MSRP: $24.99
    $22.99
  • AR-15 Cerakote Zombie Green Standard ButtStock

    AR-15 Cerakote Zombie Green Standard ButtStock

    $34.95
    AR-15 Cerakote Zombie Green Standard ButtStock       The AR-15 Cerakote Zombie Green Standard Buttstock is designed to enhance the performance and appearance of your firearm. This six-position MIL-SPEC M4 type buttstock is crafted from...
    $34.95
  • Cerakote Zombie Green Extended Bolt Catch Release Bad Lever

    Cerakote Zombie Green Extended Bolt Catch Release Bad Lever

    MSRP: $34.99
    $27.59
    Cerakote Zombie Green Extended Bolt Catch Release Bad Lever     Upgrade your AR-15 for faster reloads and tactical control with our Cerakote Zombie Green Extended Bolt Catch Release Bad Lever. Designed for serious shooters and enthusiasts, this...
    MSRP: $34.99
    $27.59
  • AR-15 Bulk 100 Quantity Buffer Retainer Springs

    AR-15 Bulk 100 Quantity Buffer Retainer Springs

    $54.27
    AR-15 Bulk 100 Quantity Buffer Retainer Springs       Ensure the reliability and performance of your AR-15, AR-10, or AR-9 with our high-quality bulk pack of 100 Buffer Retainer Springs. Designed to meet the stringent requirements of...
    $54.27
  • AR-15 100 Quantity Disconnector Springs

    AR-15 100 Quantity Bulk Disconnector Springs

    $30.35
    AR-15 100 Quantity Disconnector Springs       Enhance the reliability and performance of your AR-15 with our premium set of 100 Disconnector Springs. These high-quality springs are designed to meet military specifications and provide...
    $30.35
  • On Sale
    AR-15 100 Quantity TakedownPivot Pin Spring & Detents

    AR-15 100 Quantity Takedown/Pivot Pin Spring & Detents

    MSRP: $128.99
    Now: $68.99
    Was: $74.99
    AR-15 100 Quantity Takedown/Pivot Pin Spring & Detents     Equip your AR-15 with the best in durability and precision with our Mil-Spec AR-15 Pivot Pin & Takedown Pin Detents & Springs. Crafted from high-quality stainless steel,...
    MSRP: $128.99
    Now: $68.99
    Was: $74.99
  • AR-15 White Black Cerakote Gradient A2 Grip

    AR-15 White/Black Cerakote Gradient A2 Grip

    MSRP: $29.99
    $27.59
    AR-15 White/Black Cerakote Gradient A2 Grip       Introducing our exclusive AR-15 White/Black Cerakote Gradient A2 Grip, a perfect blend of functionality and aesthetics designed to elevate your firearm...
    MSRP: $29.99
    $27.59
  • Zombie Green Mil Spec Castle Nut

    Zombie Green Mil Spec Castle Nut

    MSRP: $14.99
    $13.79
    AR-15 Zombie Green Mil Spec Castle Nut     Secure your buffer tube with confidence — and a splash of bold, custom color. The AR-15 Zombie Green Mil-Spec Castle Nut is built to deliver reliable retention for your buffer tube assembly while...
    MSRP: $14.99
    $13.79
  • Zombie Green Mil Spec End Plate

    Zombie Green Mil Spec End Plate

    MSRP: $19.99
    $14.71
    Zombie Green Mil Spec End Plate       Transform your AR-15 with the Zombie Green 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 Platform Cerakote Zombie Green A2 Pistol Grip

    AR15 Zombie Green Cerakote A2 Pistol Grip

    MSRP: $22.99
    $21.15
    AR Platform Cerakote Zombie Green A2 Pistol Grip       Upgrade your rifle’s style and performance with the AR-15 Zombie Green A2 Pistol Grip. Designed to fit both AR-15 and AR-10 platforms, this grip delivers classic...
    MSRP: $22.99
    $21.15
  • AR-15 Nitride Fire Control Group Bulk Pin Set of 100

    AR-15 Fire Control Group Pin Set Bulk Quantity Deal

    MSRP: $149.99
    $63.47
    AR-15 Fire Control Group Bulk Pin Set of 100       Upgrade your AR-15 with our high-quality Nitride Fire Control Group Pin Set. These pins are crafted to meet mil-spec standards, ensuring durability and reliable performance...
    MSRP: $149.99
    $63.47
  • AR-15 Stainless Steel Fire Control Group Bulk Pin Set of 100 wholesale deal

    AR-15 Stainless Steel Fire Control Group Pin Set Bulk Quantity Deal

    MSRP: $179.99
    $72.67
    AR-15 Stainless Steel Fire Control Group Bulk Pin Set of 100       Upgrade your AR-15 with our high-quality Stainless Steel Fire Control Group Pin Set. These pins are crafted to meet mil-spec standards, ensuring durability...
    MSRP: $179.99
    $72.67
  • AR-15 Stainless Steel Fire Control Group 2 piece Pin Set-lower parts

    AR-15 Stainless Steel Fire Control Group Pin Set

    MSRP: $5.99
    $4.46
    AR-15 Stainless Steel Fire Control Group Pin/FCG Pin Set       Upgrade your AR-15 with our high-quality Stainless Steel Fire Control Group Pin Set. These pins are crafted to meet mil-spec standards, ensuring durability and...
    MSRP: $5.99
    $4.46
  • AR-15 Yellow Lemon Zest Cerakote Dust Cover Assembly.

    AR-15 Lemon Zest Cerakote Dust Cover Assembly

    MSRP: $22.99
    $21.15
    AR-15 Yellow Lemon Zest Cerakote Dust Cover Assembly       Give your AR-15 a bold new look and dependable protection with our Lemon Zest Yellow Cerakote Dust Cover Assembly. This premium, American-made...
    MSRP: $22.99
    $21.15
  • AR-15 Gold/Black Cerakote Gradient Stock

    AR-15 Gold/Black Cerakote Gradient Stock

    $41.39
    AR-15 Gold/Black Cerakote Gradient Stock       AR-15 Gold/Black Cerakote Gradient Stock, a fusion of functionality and style designed to elevate your firearm to new heights. Crafted with meticulous attention to detail, this...
    $41.39
  • AR-15 Gold/Black Cerakote Gradient A2 Grip.

    AR-15 Gold/Black Cerakote Gradient A2 Grip

    MSRP: $29.99
    $27.59
    AR-15 Gold/Black Cerakote Gradient A2 Grip       Upgrade your AR-15 with this stunning Gold/Black Cerakote Gradient A2 Grip, designed for both aesthetics and functionality. Crafted with precision and...
    MSRP: $29.99
    $27.59
  • AR-15 Lemon Zest Cerakote Extended Takedown Pin Set.

    AR-15 Lemon Zest Cerakote Extended Takedown Pin Set

    $27.51
    AR-15 Lemon Zest Cerakote Extended Takedown Pin Set       Upgrade your AR-15 with our premium Lemon Zest Cerakote Extended Takedown Pin Set. Designed for enhanced functionality and a standout look, this...
    $27.51
  • AR15 Cerakote Zombie Green Beavertail Grip

    AR15 Zombie Green Cerakote Beavertail Grip

    $21.15
    AR15 Cerakote Zombie Green Beavertail Grip       Upgrade your AR-15/10 with the AR-15 Cerakote Zombie Green Beavertail Grip, designed for both functionality and aesthetic appeal. Crafted with precision, this deluxe...
    $21.15
  • AR15 Engraved 5.56 Carbine Buffer Tube

    AR15 Engraved 5.56 Carbine Buffer Tube

    MSRP: $29.99
    $27.59
    AR-15 Engraved 5.56 Carbine Buffer Tube       Elevate your AR-15 with our Engraved 5.56 Carbine Buffer Tube — a fusion of American craftsmanship, rugged performance, and head-turning style. Designed for enthusiasts who demand both...
    MSRP: $29.99
    $27.59
  • AR15 Engraved American Flag Carbine Buffer Tube

    AR15 Engraved American Flag Carbine Buffer Tube

    MSRP: $29.99
    $27.59
    AR15 Engraved American Flag Carbine Buffer Tube       Upgrade your AR-15 with unmatched durability and bold American pride. The AR-15 Engraved American Flag Carbine Buffer Tube delivers superior performance, custom aesthetics, and rugged...
    MSRP: $29.99
    $27.59
  • AR-15 Zombie Green Dual Steel Ambidextrous Safety Selector Switch

    AR-15 Zombie Green Dual Steel Ambidextrous Safety Selector Switch

    MSRP: $28.99
    $27.59
    AR-15 Zombie Green Dual Steel Ambidextrous Safety Selector Switch       Upgrade your AR-15 with a safety selector switch designed for ultimate control, rugged durability, and standout aesthetics. The Zombie Green Dual Steel Ambidextrous...
    MSRP: $28.99
    $27.59
  • AR-15 Robins Egg Blue Dual Steel Ambidextrous Safety Selector Switch

    AR-15 Robins Egg Blue Dual Steel Ambidextrous Safety Selector Switch

    MSRP: $28.99
    $26.67
    AR-15 Robins Egg Blue Dual Steel Ambidextrous Safety Selector Switch     Enhance both the functionality and aesthetics of your AR-15 with the Robins Egg Blue Dual Steel Ambidextrous Safety Selector Switch. Crafted with...
    MSRP: $28.99
    $26.67
  • AR-15 ODG Dual Steel Ambidextrous Safety Selector Switch

    AR-15 ODG Dual Steel Ambidextrous Safety Selector Switch

    MSRP: $28.99
    $26.67
    AR-15 ODG Dual Steel Ambidextrous Safety Selector Switch     Upgrade your AR-15’s safety and usability with the ODG Dual Steel Ambidextrous Safety Selector Switch — engineered for durability, ease of use, and...
    MSRP: $28.99
    $26.67
  • AR-15 Hunter Orange Dual Steel Ambidextrous Safety Selector Switch

    AR-15 Hunter Orange Dual Steel Ambidextrous Safety Selector Switch

    MSRP: $28.99
    $26.67
    AR-15 Hunter Orange Dual Steel Ambidextrous Safety Selector Switch       Upgrade your AR-15 with a high-performance safety selector switch designed for shooters who demand reliability, versatility, and style. Our Hunter...
    MSRP: $28.99
    $26.67