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 Pistol Buffer Tube with Foam Wrap-www.A1Armory.com AR-15 Pistol Buffer Tube with Foam Wrap-www.A1Armory.com

    AR-15 Black Pistol Buffer Tube with Foam Wrap

    $17.28
    AR-15 Black Pistol Buffer Tube with Foam Wrap       AR-15 Black Pistol Buffer Tube with Foam Wrap, a premium component designed for your next AR15 pistol build. This meticulously crafted buffer tube is engineered with precision and...
    $17.28
  • On Sale
    Presma Silver Enhanced Castle Nut Presma Silver Enhanced Castle Nut

    Presma Silver Enhanced Castle Nut

    Now: $14.33
    Was: $19.99
    Presma Silver Enhanced Castle Nut       Presma Enhanced Silver Anodized Castle Nut, a high-quality firearm accessory crafted from premium 7075-T6 aluminum. Elevate the aesthetic appeal of your rifle with the stunning silver anodized...
    Now: $14.33
    Was: $19.99
  • On Sale
    Presma Aluminum Enhanced Red Castle Nut Presma Aluminum Enhanced Red Castle Nut

    Presma Red Aluminum Enhanced Castle Nut

    Now: $14.33
    Was: $19.99
    Presma Aluminum Enhanced Red Castle Nut       Presma Enhanced Red Anodized Castle Nut - a superior accessory meticulously designed to elevate the performance and aesthetics of your rifle. Here's why this castle nut deserves your...
    Now: $14.33
    Was: $19.99
  • Presma Aluminum Enhanced Blue Castle Nut Presma Aluminum Enhanced Blue Castle Nut

    Presma Blue Aluminum Enhanced Castle Nut

    $14.55
    Presma Aluminum Enhanced Light Blue Castle Nut       Presma Enhanced Light Blue Anodized Castle Nut - a superior accessory meticulously designed to elevate the performance and aesthetics of your rifle. Here's why this castle nut deserves...
    $14.55
  • TF Tactical AR-15 Reduced Trigger 4.5-5.5 lbs Pull Kit

    TF Tactical AR-15 Reduced Trigger Pull Kit

    $9.09
    TF Tactical AR-15 Reduced Trigger Pull Kit      Introducing the TF Tactical AR-15 Reduced Trigger Pull Kit, engineered to elevate your shooting experience with unparalleled precision and ease. Designed to reduce your AR-15 trigger...
    $9.09
  • AR15 BLACK MIL SPEC COMPLETE TRIGGER GROUP FROM WWW.A1ARMORY.COM, TRIGGER ASSEMBLY AR15 BLACK MIL SPEC TRIGGER GROUP FROM WWW.A1ARMORY.COM, TRIGGER ASSEMBLY

    AR15 Mil Spec Trigger Group

    $25.47
    AR-15 Mil Spec Trigger group       AR-15 Mil-Spec Trigger Group, meticulously engineered to enhance your shooting experience with unparalleled precision and reliability. Crafted to exceed even the most demanding standards, this trigger...
    $25.47
  • A1Armory AR-15 3oz Standard Carbine Gold Recoil Buffer A1Armory AR-15 3oz Standard Carbine Gold Recoil Buffer

    AR-15 Carbine 3oz Recoil Buffer

    $12.73
    A1Armory AR-15 3oz Standard Carbine Recoil Buffer       Introducing the A1Armory AR-15 3oz Standard Carbine Recoil Buffer, designed to optimize your shooting experience with its precision engineering and reliable performance. Here’s...
    $12.73
  • AR15M16 Pistol Buffer Tube Foam Cover AR15M16 Pistol Buffer Tube Foam Cover

    AR15/M16 Pistol Buffer Tube Foam Cover

    $3.87
    AR-15 Pistol Tube 3.5" Foam Pad Cover     AR-15 Pistol Tube 3.5" Foam Pad Cover – the ultimate solution for enhancing the comfort and performance of your AR15 pistol buffer tube. Crafted with precision and quality in mind,...
    $3.87
  • AR-15 6 Position Mil-Spec Buffer Tube AR-15 6 Position Mil-Spec Buffer Tube

    AR-15 6 Position Mil-Spec Buffer Tube

    $13.64
    WLA AR-15 6 Position Mil-Spec Buffer Tube       AR-15 6 Position Mil-Spec Buffer Tube, a precision-engineered component designed to enhance the performance and versatility of your AR-15 rifle. Packed with features...
    $13.64
  • AR-15 Commercial Spec 6 Position Buffer Tube AR-15 Commercial Spec 6 Position Buffer Tube

    AR-15 6 Position Buffer Tube Comm Spec

    $15.46
    AR-15 Commercial Spec 6 Position Buffer Tube       AR-15 Commercial Spec 6 Position Buffer Tube, a precision-engineered component designed to enhance the performance and versatility of your AR-15 rifle. Crafted from...
    $15.46
  • AR-15 nitride coated steel ejector to help clear spent brass out of the chamber AR-15 nitride coated steel ejector to help clear spent brass out of the chamber

    AR-15 Ejector

    $3.63
    AR-15 Ejector     Ensure smooth and reliable ejection of spent brass with our high-quality AR-15 ejector. Crafted for durability and precision, this essential component is designed to keep your firearm functioning flawlessly. Compatibility:...
    $3.63
  • Carbine Buffer Spring for AR-15

    AR15 Carbine Buffer Spring

    $4.41
    AR-15 Carbine Buffer Spring        AR15 Carbine Buffer Spring – your go-to solution for maintaining peak performance in your AR15 buffer system. Here's why this buffer spring stands out: Universal Compatibility: Designed to...
    $4.41
  • AR15 Trigger Guard Roll Pin FOR TRIGGER GUARD INSTALL-a1armory.com

    10 Pack AR15 Trigger Guard Roll Pins

    $4.78
    10 Pack AR15 Trigger Guard Roll Pins     Product Description: 10 Pack AR15 Trigger Guard Roll Pins Phosphate Coated: Each roll pin features a durable phosphate coating, providing superior corrosion resistance and long-lasting performance...
    $4.78
  • ar 15 gas rings 3 pack for bolt carrier group leaks

    AR15 Gas Ring 3 Pack

    $2.72
    AR15 Gas Ring 3 Pack       Ensure your AR15 or M16 runs at peak performance with our high-quality gas rings. Gas leaks can significantly impact your firearm's reliability, making gas rings a crucial component to maintain. Keep a few of...
    $2.72
  • AR15 LOWER RECEIVER BLACK ACCU WEDGE AR15 LOWER RECEIVER BLACK ACCUWEDGE

    AR15 Accu Wedge Red or Black

    $1.36
    Accu-wedge                                 Features: Enhanced Connection: Tighten up the fit between your lower receivers with the Accu Wedge, designed to snugly...
    $1.36
  • AR15 black MIL SPEC steel hammer for fire control group A1Armory.com AR15 black MIL SPEC steel hammer for fire control group A1Armory.com

    AR-15 Standard Mil-Spec Steel Hammer

    $11.82
    AR-15 Mil Spec Hammer       AR-15 Mil-Spec Hammer – crafted with precision in the USA from durable 8620 alloy steel. This essential component ensures optimal performance in your AR15 rifle build, serving as a reliable...
    $11.82
  • American Flag Engraved Trigger Guard American Flag Engraved Trigger Guard-a1armory.com

    American Flag Engraved Trigger Guard

    $11.37
    AR-15 American Flag Engraved Trigger Guard       Introducing the AR-15 American Flag Engraved Trigger Guard, a premium accessory designed to enhance your rifle's aesthetic and performance. Crafted with precision from 6061 aluminum, this...
    $11.37
  • Mil-Spec carbine stock lock ring, also known as the 'Castle Nut'. Mil-Spec carbine stock lock ring, also known as the 'Castle Nut'.

    AR-15 Mil Spec Castle Nut

    $3.18
    AR15 / M16 / AR10 Steel Castle Nut       A1Armory AR15/M16/AR10 Steel Castle Nut – the epitome of durability, precision, and reliability for your firearm assembly needs. Elevate your shooting experience with this...
    $3.18
  • On Sale
    AR-15 6 Position mil spec Aluminum Buffer Tube Kit. AR-15 6 Position mil spec Aluminum Buffer Tube Kit.

    AR-15 6 Position Aluminum Buffer Tube Kit, Mil Spec

    Now: $26.38
    Was: $34.99
    AR-15 6 Position Aluminum Mil Spec Buffer Tube Kit       AR-15 6 Position Aluminum Buffer Tube Kit by a1armory, a premium accessory ensemble designed for enhanced firearm performance. Elevate your shooting experience with this...
    Now: $26.38
    Was: $34.99
  • AR-15 One Shot One Kill Engraved Trigger Guard AR-15 One Shot One Kill Engraved Trigger Guard

    AR-15 One Shot One Kill Engraved Trigger Guard

    $11.82
    AR-15 One Shot One Kill Engraved Trigger Guard       Introducing the AR-15 One Shot One Kill Engraved Trigger Guard, meticulously crafted to elevate your firearm experience. Precision-engineered from high-grade 6061 aluminum, this trigger...
    $11.82
  • AR15 Betsy Ross Flag Engraved Mag Catch Kit.

    AR15 Betsy Ross Flag Engraved Mag Catch Kit

    $12.73
    AR15 Betsy Ross Flag Engraved Mag Catch Kit       Introducing our AR15 Betsy Ross Flag Engraved Mag Catch Kit, meticulously crafted to add a touch of patriotic flair to your firearm. Made in the USA with precision engineering, this kit...
    $12.73
  • AR-15 Enemy Forward Engraved Custom Trigger Guard

    AR-15 Enemy Forward Engraved Custom Trigger Guard

    $11.82
    AR-15 Enemy Engraved Trigger Guard       Introducing the AR15 Enemy Engraved Trigger Guard, meticulously crafted to enhance your firearm experience with unparalleled durability and style. Here's why it stands out: Premium Construction:...
    $11.82
  • AR15 Death Before Dishonor Engraved Trigger Guard

    AR15 Death Before Dishonor Engraved Trigger Guard

    $13.64
    AR15 Death Before Dishonor Engraved Trigger Guard     Introducing the AR15 Death Before Dishonor Engraved Trigger Guard, meticulously crafted for the discerning firearm enthusiast. This trigger guard stands as a testament to both style and...
    $13.64
  • AR15 Bad MotherF'er Engraved Trigger Guard

    AR15 Bad MotherF'er Engraved Trigger Guard

    $8.99
    AR15 Bad MotherF'er Engraved Trigger Guard       Elevate your AR-15 build with the Bad MotherF'er Engraved Trigger Guard, crafted from high-quality 6061 aluminum. This custom trigger guard not only enhances the functionality of your rifle...
    $8.99