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.

  • Guntec Blue Ultralight Skeletonized Pistol Grip

    Guntec Blue Anodized Ultralight Skeletonized Pistol Grip

    MSRP: $79.99
    $71.99
    Guntec Blue Ultralight Skeletonized Pistol Grip       Elevate your AR-15’s performance and visual appeal with the Guntec Blue Ultralight Skeletonized Pistol Grip—a perfect fusion of cutting-edge design, American...
    MSRP: $79.99
    $71.99
  • AR15 Custom Cerakote white Colored Lower Parts Kit-No Grip

    AR15 Custom Cerakote Colored Lower Parts Kit-No Grip

    MSRP: $98.99
    $76.49
    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
    $76.49
  • AR-15 Black Skeletonized Finger Stop

    AR15 Black Skeletonized Mlok Finger Stop

    MSRP: $22.99
    $17.09
    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
    $17.09
  • AR-15 Pink Dual Steel Ambidextrous Safety Selector Switch

    AR-15 Cerakote Pink Dual Steel Ambidextrous Safety Selector Switch

    MSRP: $28.99
    $26.09
    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
    $26.09
  • AR-15 Red Dual Steel Ambidextrous Safety Selector Switch

    AR-15 Cerakote Red Dual Steel Ambidextrous Safety Selector Switch

    MSRP: $28.99
    $26.09
    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
    $26.09
  • AR-15 Gold Dual Steel Ambidextrous Safety Selector Switch

    AR-15 Cerakote Gold Dual Steel Ambidextrous Safety Selector Switch

    MSRP: $28.99
    $26.09
    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
    $26.09
  • AR-15 Gold Cerakote A2 Grip

    AR-15 Gold Cerakote A2 Pistol Grip

    MSRP: $22.99
    $17.09
    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
    $17.09
  • AR-15 Robins Egg Blue Cerakote Blackhawk Buffer Tube Kit

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

    MSRP: $109.99
    $80.09
    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
    $80.09
  • Colored Anti Walk Trigger & Hammer Pin and Plates Kit

    Colored Anti Walk Trigger & Hammer Pin and Plates Kit

    $17.09
    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...
    $17.09
  • AR15 Custom Cerakote Birthday Splatter M4 Buttstock

    AR-15 White Custom Cerakote Birthday Splatter M4 Buttstock

    MSRP: $109.99
    $53.99
    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
    $53.99
  • Guntec Purple Extended Catch Release

    Guntec Purple Extended Mag Catch Paddle Release

    $26.06
    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...
    $26.06
  • Ar15 cerakote pink extended takedown pin set with hardware.

    AR-15 Cerakote Pink Extended Takedown Pin Set

    $26.91
    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...
    $26.91
  • Ar15 cerakote robins egg blue extended takedown pin set with hardware.

    AR-15 Cerakote Robins Egg Blue Extended Takedown Pin Set

    $26.91
    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...
    $26.91
  • Ar15 cerakote hunter orange extended takedown pin set with hardware.

    AR-15 Cerakote Hunter Orange Extended Takedown Pin Set

    $26.91
    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...
    $26.91
  • AR-15 Cerakote Burnt Bronze Extended Takedown Pin Set

    AR-15 Cerakote Burnt Bronze Extended Takedown Pin Set

    $26.91
    AR-15 Cerakote Burnt Bronze Extended Takedown Pin Set       Upgrade your AR-15’s performance and aesthetics with this Mil-Spec Extended Takedown Pin Set, precision-machined from 8620 alloy steel...
    $26.91
  • Ar15 cerakote red gradient a2 grip front view.

    AR-15 Cerakote Black/Red Gradient A2 Grip

    MSRP: $29.99
    $26.99
    AR-15 Black/Red Cerakote Gradient A2 Grip       Upgrade your AR-15 with this stunning Red Gradient A2 Grip, designed for both aesthetics and functionality. Crafted with precision and attention to...
    MSRP: $29.99
    $26.99
  • AR-15 Cerakote BlackPink Gradient A2 Grip

    AR-15 Cerakote Black/Pink Gradient A2 Grip

    MSRP: $29.99
    $26.99
    AR-15 Black/Pink Cerakote Gradient A2 Grip       Transform your AR-15 with this striking Black/Pink Cerakote Gradient A2 Grip — a perfect fusion of performance, durability, and standout aesthetics. Whether you're on the...
    MSRP: $29.99
    $26.99
  • Ar15 gradient hunter orange and black a2 pistol grip

    AR-15 Black/Hunter Orange Cerakote Gradient A2 Grip

    MSRP: $29.99
    $26.99
    AR-15 Black/Hunter Orange Cerakote Gradient A2 Grip       Upgrade your AR-15 with this stunning Gradient A2 Grip, designed for both aesthetics and functionality. Crafted with precision and attention to...
    MSRP: $29.99
    $26.99
  • AR-15 Cerakote Colored Magazine Catch Kits

    AR-15 Cerakote Colored Magazine Catch Kits

    MSRP: $24.99
    $22.49
    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
    $22.49
  • AR-15 Mil Spec Cerakote Black Single Stage Trigger

    AR-15 Mil Spec Cerakote Black Single Stage Trigger

    MSRP: $24.99
    $22.49
    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
    $22.49
  • Timber Creek Greyman Black Textured Pistol Grip with background

    Timber Creek Greyman Black Textured Pistol Grip

    MSRP: $24.99
    $17.09
    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
    $17.09
  • Guntec AR15 Black Chrome Dual Sling End Plate

    Guntec AR15 Black Chrome Dual Sling End Plate

    $22.45
    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...
    $22.45
  • AR-15 Mil-Spec Carbine Receiver Buffer Parts Kit-No Tube

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

    $14.36
    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...
    $14.36
  • AR15 Custom Cerakote Birthday Splatter Pistol Buffer Tube

    AR15 Custom Cerakote Birthday Splatter Pistol Buffer Tube

    $44.99
    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...
    $44.99
  • AR-15 Blackhawk Knoxx Six Position Buffer Tube Kit

    AR-15 Blackhawk Knoxx Six Position Buffer Tube Kit

    MSRP: $74.99
    $35.09
    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
    $35.09
  • AR-15 FDE Cerakote Butt Stock 6 Position buffer kit

    AR-15 FDE Cerakote Butt Stock 6 Position buffer kit

    MSRP: $88.99
    $34.19
    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
    $34.19
  • AR-15 Cerakote Lemon Zest Yellow Standard ButtStock

    AR-15 Cerakote Lemon Zest Yellow Standard ButtStock

    MSRP: $88.99
    $35.99
    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
    $35.99
  • AR-15 Cerakote Sniper Grey Extended Takedown Pin Set

    AR-15 Cerakote Sniper Grey Extended Takedown Pin Set

    $26.91
    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...
    $26.91
  • AR15 Custom Cerakote Birthday Splatter A2 Grip

    AR Platform Custom Cerakote Birthday Splatter A2 Grip

    MSRP: $29.99
    $26.99
    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
    $26.99
  • AR15 Cerakote Zombie Green 6 Position Buffer Tube

    AR15 Cerakote Zombie Green 6 Position Buffer Tube

    $35.99
    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...
    $35.99
  • AR15 Cerakote NRA Blue Trigger.

    AR15 Cerakote NRA Blue Trigger

    MSRP: $24.99
    $22.49
    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
    $22.49
  • AR-15 Cerakote Zombie Green Standard ButtStock

    AR-15 Cerakote Zombie Green Standard ButtStock

    $34.19
    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...
    $34.19
  • Cerakote Zombie Green Extended Bolt Catch Release Bad Lever

    Cerakote Zombie Green Extended Bolt Catch Release Bad Lever

    MSRP: $34.99
    $26.99
    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
    $26.99
  • AR-15 Bulk 100 Quantity Buffer Retainer Springs

    AR-15 Bulk 100 Quantity Buffer Retainer Springs

    $53.09
    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...
    $53.09
  • AR-15 100 Quantity Disconnector Springs

    AR-15 100 Quantity Bulk Disconnector Springs

    $29.69
    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...
    $29.69
  • On Sale
    AR-15 100 Quantity TakedownPivot Pin Spring & Detents

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

    MSRP: $128.99
    Now: $67.49
    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: $67.49
    Was: $74.99
  • AR-15 White Black Cerakote Gradient A2 Grip

    AR-15 White/Black Cerakote Gradient A2 Grip

    MSRP: $29.99
    $26.99
    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
    $26.99
  • Zombie Green Mil Spec Castle Nut

    Zombie Green Mil Spec Castle Nut

    MSRP: $14.99
    $13.49
    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
    $13.49