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 Competition 3.5 LB Gold Drop In Trigger System

    AR Competition 3.5 LB Gold Drop In Trigger System

    $169.19
    AR Competition 3.5 LB Gold Drop In Trigger System- FREE SHIPPING         Introducing the AR Competition 3.5 LB Gold Drop-In Trigger System, engineered for precision and performance in your...
    $169.19
  • Rainbow Chameleon Enhanced Skeletonized Castle Nut

    Rainbow Chameleon Enhanced Skeletonized Castle Nut

    MSRP: $44.99
    $34.19
    AR-15 Rainbow Chameleon Enhanced Skeletonized Castle Nut       Upgrade your AR platform with a premium accessory that offers bold aesthetics and uncompromising performance. The AR-15 Rainbow Chameleon Enhanced...
    MSRP: $44.99
    $34.19
  • AR-15 Black 5.6 ounce Rifle Length Recoil Buffer

    AR15 5.6 oz Black Rifle Length Buffer

    $15.98
    AR-15 Black 5.6 ounce Rifle Length Recoil Buffer        AR-15 Black 5.6 Ounce Rifle Length Recoil Buffer, the ultimate solution for enhancing the performance and comfort of your AR-15...
    $15.98
  • AR-15 Black Reciprocating Weight Carbine 3oz Recoil Buffer

    AR-15 Black Reciprocating Weight Carbine 3oz Recoil Buffer

    $12.59
    AR-15 Black Reciprocating Weight Carbine 3oz Recoil Buffer       Introducing the AR-15 Black Reciprocating Weight Carbine 3oz Recoil Buffer, meticulously engineered to elevate your shooting experience to new heights. Here's why this buffer...
    $12.59
  • AR-15 Black 4.6 ounce Heavy Stock Carbine Length Buffer

    AR15/AR9 Black 4.6 ounce Heavy Stock Carbine Length Buffer

    $11.48
    AR-15 Black 4.6 ounce Heavy Stock Carbine Length Buffer     Upgrade your AR-15 with our AR-15 Black 4.6 ounce Heavy Stock Carbine Length Buffer. Crafted with precision engineering, this buffer assembly is designed to enhance the performance...
    $11.48
  • AR Anodized Gold Accent Kit

    AR15 Anodized Gold Accent Kit

    $238.46
    AR Anodized Gold Accent Kit-FREE SHIPPING     Product Description: Elevate the aesthetics and functionality of your firearm with our AR Anodized Gold Accent Kit. Crafted with meticulous attention to detail and precision, this kit adds a touch...
    $238.46
  • Rainbow Chameleon PVD Extended Bolt Catch Release Bad Lever

    Rainbow Chameleon Extended Bolt Catch Release Bad Lever

    $43.16
    Rainbow Chameleon PVD Extended Bolt Catch Release Bad Lever       Enhance your AR platform’s functionality, ergonomics, and aesthetics with the Rainbow Chameleon Extended Bolt Catch Release Bad Lever. Designed for speed,...
    $43.16
  • Orange Anodized Extended Bolt Catch Release Bad Lever

    Orange Anodized Extended Bolt Catch Release Bad Lever

    $26.99
    Orange Anodized Extended Bolt Catch Release Bad Lever       Take control of your reloads and boost your rifle's efficiency with the Orange Anodized Extended Bolt Catch Release Bad Lever. Designed for speed, ergonomics, and...
    $26.99
  • AR-15 Purple Ultralight Skeletonized Colored Pistol Grip

    AR Platform Purple Anodized Ultralight Skeletonized Pistol Grip

    MSRP: $79.99
    $67.46
    AR-15 Purple Ultralight Skeletonized Colored Pistol Grip       Product Description: Introducing our Ultralight Purple Skeletonized Pistol Grip, meticulously engineered to elevate your AR-15 experience to new heights. Crafted...
    MSRP: $79.99
    $67.46
  • Rainbow Chameleon Ultralight Skeletonized Pistol Grip

    Rainbow Unicorn PVD Ultralight Skeletonized Pistol Grip

    MSRP: $148.99
    $116.09
    Rainbow Unicorn Ultralight Skeletonized Pistol Grip-FREE SHIPPING         Description: Crafted from high-grade T6 aluminum, our Rainbow Unicorn Ultralight Skeletonized Pistol Grip is...
    MSRP: $148.99
    $116.09
  • Gold Cerakote Mil Spec Trigger

    Gold Cerakote Mil Spec AR-15 Single Stage Trigger

    MSRP: $24.99
    $17.09
    Gold Cerakote Mil Spec Trigger         Product Description:  Unlock unparalleled precision and reliability with our Gold Cerakote Mil-Spec Trigger designed to elevate your AR-15, AR-10, or AR-9 rifle experience...
    MSRP: $24.99
    $17.09
  • On Sale
    Guntec Anodized Purple Extended Magazine Release Button

    Guntec Anodized Purple Extended Magazine Release Button

    Now: $7.19
    Was: $12.99
    Guntec Anodized Purple Extended Magazine Release Button       Guntec Inc AR15 Anodized Purple Extended Mag Button - Upgrade Your Rifle with Style Description: Elevate your AR15 rifle's functionality and aesthetics with the...
    Now: $7.19
    Was: $12.99
  • On Sale
    AR15 Anodized Gold Extended Mag Button

    AR15 Anodized Gold Extended Mag Button

    Now: $8.99
    Was: $12.99
    AR15 Anodized Gold Extended Mag Button       Description: Upgrade your AR15 with the Guntec Inc. Anodized Gold Extended Mag Button, meticulously crafted to enhance both aesthetics and functionality. Designed with precision...
    Now: $8.99
    Was: $12.99
  • AR15 XTS-Anodized Silver Parts Kit

    AR15 XTS-Anodized Silver Parts Kit

    MSRP: $124.99
    $89.09
    AR15 XTS-Anodized Silver Parts Kit       Description: Upgrade or build your AR-15 rifle with ease using the AR15 XTS-Anodized Silver Parts Kit. This comprehensive kit contains all the essential components needed for assembling...
    MSRP: $124.99
    $89.09
  • Guntec AR-15 Rainbow PVD Anti-Rotation Trigger Hammer Pin Set

    Guntec AR-15 Rainbow PVD Plated Anti-Rotation Trigger/Hammer Pin Set

    MSRP: $34.99
    $31.49
    Guntec AR-15 Rainbow PVD Anti-Rotation Trigger/Hammer Pin Set       Title: Guntec AR-15 Anodized Rainbow PVD Anti-Rotation Trigger/Hammer Pin Set - Precision Performance with a Splash of Color Description: Elevate your...
    MSRP: $34.99
    $31.49
  • Guntec AR-15 Anodized Gold Plated Anti-Rotation Trigger Hammer Pin Set

    Guntec AR-15 Anodized Gold Plated Anti-Rotation Trigger/Hammer Pin Set

    MSRP: $49.99
    $35.99
    Guntec AR-15 Anodized Gold Plated Anti-Rotation Trigger/Hammer Pin Set     Upgrade your AR-15 with the premium Guntec AR-15 Anodized Gold Plated Anti-Rotation Trigger/Hammer Pin Set—engineered for precision, reliability, and stunning...
    MSRP: $49.99
    $35.99
  • AR-1510 White Cerakote Beavertail Pistol Grip

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

    MSRP: $18.99
    $17.09
    AR-15/10 White Cerakote Beavertail Pistol Grip       Description: Upgrade your AR-15/10 with the AR-15/10 White Cerakote Beavertail Pistol Grip, a high-performance accessory designed for shooters seeking superior control and...
    MSRP: $18.99
    $17.09
  • Tactical Foregrip with Dry Storage Compartment

    Presma Colored Tactical MLOK Foregrip with Dry Storage Compartment

    MSRP: $31.99
    $26.99
    Tactical Foregrip with Dry Storage Compartment         Upgrade your firearm setup with this US-made Tactical Foregrip, designed for M-LOK rail systems and built for durability, comfort, and practicality. This premium foregrip...
    MSRP: $31.99
    $26.99
  • AR15AR10 Arctic White Cerakote A2 Pistol Grip

    AR-15 Arctic White Cerakote A2 Grip

    MSRP: $22.99
    $17.09
    AR15/AR10 Arctic White Cerakote A2 Pistol Grip          Upgrade your rifle’s style and performance with the AR-15 White A2 Pistol Grip. Designed to fit both AR-15 and AR-10 platforms, this grip delivers...
    MSRP: $22.99
    $17.09
  • AR-15 White Cerakote Complete Compact Buffer Tube 3.5

    AR-15 Cerakote White Complete Compact Buffer Tube 3.5''

    $116.99
    AR-15 White Cerakote Complete Compact Buffer Tube 3.5''       AR-15 White Complete Compact Buffer Tube 3.5'' – a meticulously crafted and aesthetically pleasing upgrade for your compact AR pistol. This buffer tube kit is...
    $116.99
  • AR-15 Olive Drab Green ODG Complete Compact Buffer Tube 3.5''

    AR-15 Olive Drab Green ODG Complete Compact Buffer Tube 3.5''

    $116.99
    AR-15 Olive Drab Green ODG Complete Compact Buffer Tube 3.5''     AR-15 ODG Complete Compact Buffer Tube 3.5'' – a meticulously crafted and aesthetically pleasing upgrade for your compact AR pistol. This buffer tube kit is...
    $116.99
  • AR-15 Red Complete Compact Buffer Tube 3.5''

    AR-15 Red Complete Compact Buffer Tube 3.5''

    $116.99
    AR-15 Red Complete Compact Buffer Tube 3.5''     AR-15 Red Complete Compact Buffer Tube 3.5'' – a meticulously crafted and aesthetically pleasing upgrade for your compact AR pistol. This buffer tube kit is designed for those...
    $116.99
  • AR-15 Robins Egg Blue Complete Compact Buffer Tube 3.5''

    AR-15 Robins Egg Blue Complete Compact Buffer Tube 3.5''

    $116.99
    AR-15 Robins Egg Blue Complete Compact Buffer Tube 3.5''     AR-15 Robins Egg Blue Complete Compact Buffer Tube 3.5'' – a meticulously crafted and aesthetically pleasing upgrade for your compact AR pistol. This buffer tube kit...
    $116.99
  • On Sale
    trinity force H2 Silent Buffer Assembly Spring

    Trinity Force H2 Silent Buffer Assembly Spring

    Now: $53.99
    Was: $74.99
    Trinity Force H2 Silent Buffer Assembly Spring       Trinity Force H2 Silent Buffer Assembly Spring – your solution for enhancing the performance of AR-15 semi-automatic rifles. This drop-in buffer system is meticulously...
    Now: $53.99
    Was: $74.99
  • AR Black Ambidextrous Safety Selector V.2

    AR Black Ambidextrous Safety Selector V.2

    MSRP: $34.99
    $26.06
    AR-15 Black Steel Ambidextrous Safety Selector V.2       Enhance your AR platform with the AR Black Ambidextrous Safety Selector V.2, designed for fast, reliable safety control whether you’re left or right-handed. Engineered with...
    MSRP: $34.99
    $26.06
  • AR-15 Burnt Bronze Cerakote Collapsible Stock

    AR-15 Burnt Bronze Cerakote Collapsible Stock

    MSRP: $88.99
    $38.69
    AR-15 Burnt Bronze Cerakote Collapsible Stock       AR-15 Burnt Bronze Collapsible Stock, a precision-engineered six-position MIL-SPEC M4-type buttstock that combines durability, versatility, and style. Crafted with meticulous...
    MSRP: $88.99
    $38.69
  • AR-15 Robins Egg Blue Cerakote Collapsible Stock

    AR-15 Robins Egg Blue Cerakote Collapsible Stock

    MSRP: $88.99
    $58.49
    AR-15 Robins Egg Blue Cerakote Collapsible Stock       AR-15 Robins Egg Blue Cerakote Collapsible Stock, a precision-engineered six-position MIL-SPEC M4-type buttstock that combines durability, versatility, and style. Crafted with...
    MSRP: $88.99
    $58.49
  • Oops Small Parts Kit

    Oops AR Lower Receiver Small Parts Kit

    MSRP: $9.99
    $6.29
    Oops Lower Receiver Small Parts Kit       Introducing our AR-15 Small Parts Kit – the ultimate solution for enthusiasts and gunsmiths alike who know the frustration of losing essential components during maintenance or customization...
    MSRP: $9.99
    $6.29
  • Presma Orange AR15 Skeletonized Ergonomic Rear Pistol Style Grip

    Presma Orange Skeletonized Ergonomic Rear Pistol Style Grip

    MSRP: $74.99
    $56.69
    Presma Orange AR15 Skeletonized Ergonomic Rear Pistol Style Grip             Fits: .223 / 5.56 / .308 Lowers | Made in the USA Add a bold upgrade to your AR platform with high-strength, ultralight aluminum...
    MSRP: $74.99
    $56.69
  • Presma Purple Skeletonized Ergonomic Rear Pistol Style Grip

    Presma Purple Skeletonized Ergonomic Rear Pistol Style Grip

    MSRP: $74.99
    $56.69
    Presma Purple Skeletonized Ergonomic Rear Pistol Style Grip           Upgrade your rifle with the bold and functional Presma Purple Skeletonized Ergonomic Rear Pistol Style Grip—precision-engineered for comfort,...
    MSRP: $74.99
    $56.69
  • Presma Blue Skeletonized Ergonomic Rear Pistol Style Grip

    Presma Blue Skeletonized Ergonomic Rear Pistol Style Grip

    MSRP: $74.99
    $56.69
    Presma Blue Skeletonized Ergonomic Rear Pistol Style Grip         Upgrade your rifle’s look and feel with unmatched style and performance. Engineered for both aesthetic appeal and tactical functionality, the Presma Blue...
    MSRP: $74.99
    $56.69
  • AR15 Zombie Green Pistol Buffer Tube Kit

    AR15 Zombie Green Pistol Buffer Tube Kit

    $44.06
    AR-15 Zombie Green Cerakote Pistol Buffer Tube Kit       Add some undead style to your AR build with the AR-15 Zombie Green Pistol Buffer Tube Kit. Featuring a rugged construction, precision components, and a bold Cerakote finish, this...
    $44.06
  • Zombie Green Mil-Spec Carbine Buffer Tube Kit

    AR15 Zombie Green Carbine Receiver Buffer Tube Kit

    MSRP: $44.95
    $40.46
    AR15 Zombie Green Mil-Spec Carbine Buffer Tube Kit       AR-15 Cerakoted Zombie Green Carbine Buffer Tube Kit – a rugged and stylish upgrade for your firearm that combines high-performance functionality with an eye-catching design...
    MSRP: $44.95
    $40.46
  • AR-15 Flat Dark Earth FDE Cerakote SOPMOD Stock

    AR-15 FDE Cerakote SOPMOD Stock buffer kit

    MSRP: $129.99
    $89.09
    AR-15 Flat Dark Earth FDE Cerakote SOPMOD Stock Buffer Kit     Introducing our AR-15 FDE Cerakote SOPMOD Stock Buffer Kit – a premium upgrade designed to elevate your AR-15 rifle to new levels of performance and style. Crafted with...
    MSRP: $129.99
    $89.09
  • On Sale
    AR-15 Olive Drab Green ODG Cerakote Buffer Tube Kit w SOPMOD Stock

    AR-15 ODG Cerakote SOPMOD Stock buffer kit

    Now: $89.09
    Was: $110.99
    AR-15 Olive Drab Green ODG Cerakote Buffer Tube Kit w SOPMOD Stock     Introducing our AR-15 Olive Drab Green Cerakote SOPMOD Stock Buffer Kit – a tactical upgrade that combines functionality, durability, and a distinctive aesthetic to...
    Now: $89.09
    Was: $110.99
  • On Sale
    AR-15 Arctic White Pistol Buffer Tube Kit with Pad

    Guntec AR-15/AR-9 Arctic White Pistol Buffer Tube Kit

    Now: $38.69
    Was: $58.95
    Guntec AR-15 Arctic White Pistol Buffer Tube Kit with Pad       Guntec AR-15/AR-9 Arctic White Pistol Buffer Tube Kit – the epitome of style and performance for your AR pistol build. This meticulously crafted kit combines Guntec's...
    Now: $38.69
    Was: $58.95
  • AR-15 Arctic White Buffer Tube Kit

    AR-15 Arctic White Buffer Tube Kit

    $49.46
    AR-15 Guntec Arctic White Buffer Tube Kit       Guntec AR-15/AR-9 Arctic White Carbine Buffer Tube Kit – the epitome of style and functionality for your firearm customization needs. Crafted with precision and durability in mind, this...
    $49.46
  • Robins Egg Blue Cerakote Small Angled Mlok Hand Stop

    Robins Egg Blue Cerakote Small Angled Mlok Hand Stop

    MSRP: $24.99
    $20.69
    Robins Egg Blue Cerakote Small Angled Mlok Hand Stop     Introducing our Small Angled Mlok Hand Stop in the captivating Robins Egg Blue Cerakote finish—a sleek and stylish addition to enhance your firearm setup. Designed with both form...
    MSRP: $24.99
    $20.69
  • Presma Red Skeletonized Ergonomic Rear Pistol Style Grip

    Presma Red Skeletonized Ergonomic Rear Pistol Style Grip

    MSRP: $74.99
    $56.69
    Presma Red Skeletonized Ergonomic Rear Pistol Style Grip             Presma Red Skeletonized Ergonomic Rear Pistol Style Grip✅ Lightweight. ✅ Tactical. ✅ Built for Performance. Upgrade your AR platform with the Presma Red...
    MSRP: $74.99
    $56.69
  • Presma Silver Skeletonized Ergonomic Rear Pistol

    Presma Silver Skeletonized Ergonomic Rear Pistol Style Grip

    MSRP: $74.99
    $56.69
    Presma Silver Skeletonized Ergonomic Rear Pistol Style Grip           Upgrade your rifle with the Presma Silver Skeletonized Ergonomic Rear Pistol Style Grip, designed for shooters who demand lightweight...
    MSRP: $74.99
    $56.69