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

    $17.09
    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...
    $17.09
  • Presma Silver Enhanced Castle Nut Presma Silver Enhanced Castle Nut

    Presma Silver Enhanced Castle Nut

    $17.09
    AR-15 Presma Silver Enhanced Castle Nut       Add a bold, refined finish to your AR-15 with the Presma Enhanced Silver Anodized Castle Nut. Expertly engineered from 7075-T6 aluminum, this premium castle nut combines uncompromising...
    $17.09
  • Presma Aluminum Enhanced Red Castle Nut Presma Aluminum Enhanced Red Castle Nut

    Presma Red Aluminum Enhanced Castle Nut

    $17.09
    Presma Aluminum Enhanced Red Castle Nut       Add a bold, refined finish to your AR-15 with the Presma Enhanced Red Anodized Castle Nut. Expertly engineered from 7075-T6 aluminum, this premium castle nut combines uncompromising durability...
    $17.09
  • Presma Aluminum Enhanced Blue Castle Nut Presma Aluminum Enhanced Blue Castle Nut

    Presma Blue Aluminum Enhanced Castle Nut

    $17.09
    AR-15 Presma Aluminum Enhanced Blue Castle Nut       Add a bold, refined finish to your AR-15 with the Presma Enhanced Blue Anodized Castle Nut. Expertly engineered from 7075-T6 aluminum, this premium castle nut combines uncompromising...
    $17.09
  • TF Tactical AR-15 Reduced Trigger 4.5-5.5 lbs Pull Kit

    TF Tactical AR-15 Reduced Trigger Pull Kit

    $8.99
    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...
    $8.99
  • 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

    $25.19
    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...
    $25.19
  • A1Armory AR-15 3oz Standard Carbine Gold Recoil Buffer A1Armory AR-15 3oz Standard Carbine Gold Recoil Buffer

    AR-15 Carbine 3oz Recoil Buffer

    $12.59
    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...
    $12.59
  • AR15M16 Pistol Buffer Tube Foam Cover AR15M16 Pistol Buffer Tube Foam Cover

    AR15/M16 Pistol Buffer Tube Foam Cover

    $3.83
    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,...
    $3.83
  • On Sale
    AR-15 6 Position Mil-Spec Buffer Tube AR-15 6 Position Mil-Spec Buffer Tube

    AR-15 6 Position Mil-Spec Buffer Tube

    Now: $11.69
    Was: $17.99
    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 that...
    Now: $11.69
    Was: $17.99
  • AR-15 Commercial Spec 6 Position Buffer Tube AR-15 Commercial Spec 6 Position Buffer Tube

    AR-15 6 Position Buffer Tube Comm Spec

    $15.29
    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...
    $15.29
  • 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

    $3.59
    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:...
    $3.59
  • Carbine Buffer Spring for AR-15

    AR15 Carbine Buffer Spring

    $4.37
    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...
    $4.37
  • AR15 Trigger Guard Roll Pin FOR TRIGGER GUARD INSTALL-a1armory.com

    10 Pack AR15 Trigger Guard Roll Pins

    $4.73
    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...
    $4.73
  • ar 15 gas rings 3 pack for bolt carrier group leaks

    AR15 Gas Ring 3 Pack

    $2.69
    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...
    $2.69
  • AR15 LOWER RECEIVER BLACK ACCU WEDGE AR15 LOWER RECEIVER BLACK ACCUWEDGE

    AR15 Accu Wedge Red or Black

    $1.80
    Accu-wedge                                 MINIMUM ORDER QUANITY OF 3 Tighten Up Your AR – Enhance Accuracy & Reliability Eliminate the play between your upper...
    $1.80
  • 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

    $12.59
    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...
    $12.59
  • American Flag Engraved Trigger Guard American Flag Engraved Trigger Guard-a1armory.com

    American Flag Engraved Trigger Guard

    $13.49
    AR-15 American Flag Engraved Trigger Guard       Upgrade your AR-15 with a high-quality trigger guard that blends rugged construction with patriotic style. The American Flag Engraved Trigger Guard offers both functionality and bold...
    $13.49
  • 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

    $3.14
    AR-15  Steel Castle Nut       Secure your build with unmatched strength and reliability. The AR15 / M16 / AR10 Steel Castle Nut is engineered to provide rock-solid performance in even the most demanding shooting conditions...
    $3.14
  • 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: $26.09
    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: $26.09
    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

    $11.69
    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...
    $11.69
  • AR15 Betsy Ross Flag Engraved Mag Catch Kit.

    AR15 Betsy Ross Flag Engraved Mag Catch Kit

    $13.49
    AR15 Betsy Ross Flag Engraved Mag Catch Kit       Honor American heritage and upgrade your AR-15 with the AR-15 Betsy Ross Flag Engraved Magazine Catch Kit – a premium component designed for reliability, style, and performance...
    $13.49
  • AR-15 Enemy Forward Engraved Custom Trigger Guard

    AR-15 Enemy Forward Engraved Custom Trigger Guard

    $11.69
    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:...
    $11.69