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.

  • On Sale
    AR15 PARTIAL LOWER PARTS KIT WITH NO TRIGGER GUARD OR MAGAZINE CATCH

    WLA AR-15 FCG Lower Parts Kit

    Now: $40.49
    Was: $54.99
    WLA AR-15 FCG Lower Parts Kit     Our lower parts kits contain all high quality, 100% USA produced components, manufactured to our exacting standards.  Each kit is guaranteed to fit your mil-spec dimension lower receiver.  We don't...
    Now: $40.49
    Was: $54.99
  • Timber Creek Black Takedown Pin Sets Timber Creek Black Takedown Pin Sets

    Timber Creek Outdoors AR15 Black Takedown Pin Set

    $17.09
    Timber Creek Outdoors Black Takedown Pin Sets       Product Description: Elevate your firearm's performance with the Timber Creek Black Extended Takedown Pin Set, a meticulously engineered upgrade designed to enhance both functionality...
    $17.09
  • Timber Creek Black Extended Mag Release Timber Creek Black Extended Mag Release

    Timber Creek Black Extended Mag Release

    $17.99
    Timber Creek Outdoors Black Extended Mag Catch Release Button       Upgrade your AR platform with the Timber Creek Outdoors Black Extended Magazine Release Mount, engineered for enhanced speed, control, and ergonomics. Whether...
    $17.99
  • 2 AR15 Knurled Gas Block Set Screws 2 AR15 Knurled Gas Block Set Screws

    2 Knurled Gas Block Set Screw

    $1.70
    2 AR15 Knurled Gas Block Set Screws       Upgrade your AR-15’s gas system with A1Armory’s Knurled Gas Block Set Screws, designed for reliable performance and secure fitment. Proudly made in the USA, these set screws deliver the...
    $1.70
  • AR15 1/2in  Black Crush Washer AR15 12in stainless steel Crush Washer

    AR15 1/2in Black Crush Washer

    $1.79
     1/2in Black Or Stainless Steel Crush Washers     Product Description: Ensure optimal performance and longevity for your AR15 threaded barrel with our premium 1/2 inch crush washers, designed to be used behind flash hiders or...
    $1.79
  • AR-15  AR-10 Hex Head Pistol Grip bolt

    AR-15/AR-10 Pistol Grip Bolt/Star Lock Washer

    $0.89
    AR-15 / AR-10 Hex Head Pistol Grip Bolt Set   Use for a new build or as a replacement for that frustrating OEM flat head screwSteel 1/4x28 x 1" Hex boltSteel Star washerMilitary TypeManufactured in the USALimited Lifetime WarrantyMay come in...
    $0.89
  • AR15 Extended Takedown & Pivot Pin Set AR15 Extended Takedown & Pivot Pin Set

    AR15 Takedown & Pivot Extended Pin Set

    $14.39
    AR15 Extended Takedown & Pivot Pin Set     AR15 Extended Takedown & Pivot Pin Set, a must-have upgrade for your AR-15 platform, meticulously designed to enhance functionality and streamline firearm maintenance. Here are the key features...
    $14.39
  • On Sale
    Mil Spec AR-15 Single Stage Trigger Mil Spec AR-15 Single Stage Trigger-a1armory.com

    AR-15 Mil Spec Single Stage Trigger

    Now: $8.78
    Was: $14.99
    AR-15/AR-10 Single Stage Trigger       Engineered for precision, reliability, and bulk value, the AR-15 Mil-Spec Single Stage Trigger is the ideal solution for gunsmiths, OEMs, and high-volume builders. With a minimum order quantity of 200...
    Now: $8.78
    Was: $14.99
  • Vibra-Tite 2 ml thread locker tube- medium strength

    Vibra-Tite Medium Strength Threadlocker

    $2.48
    Vibra-Tite 2 ml thread locker tube- Medium Strength       Medium Strength is the perfect kind for your Firearm hardware   FEATURES: Versatile Medium Strength Formula: Vibra-Tite Medium Strength is a reliable...
    $2.48
  • A1A Accu-wedge 5 pack black A1A Accu-wedge 5 pack red

    AR15 Accu Wedge 5 Pack

    $9.00
    A1Armory Accu-wedge 5 pack       Tighten Up Your AR – Enhance Accuracy & Reliability Eliminate the play between your upper and lower receivers with the Accu Wedge 5-Pack – your cost-effective solution to increasing the...
    $9.00
  • AR-15.308 Black Mil Spec A2 Pistol Grip AR 15 Mil Spec A2 Pistol Grip Kit-a1armory.com

    AR-15 A2 Mil Spec Textured Grip

    $4.49
    AR-15/.308 Black Mil Spec A2 Pistol Grip       AR-15/.308 Black Mil Spec A2 Pistol Grip Set – a meticulously crafted and 100% USA Made enhancement for your firearm. This set is designed to elevate your shooting experience...
    $4.49
  • On Sale
    AR15 Trigger Guard Kit

    AR15 Trigger Guard Kit

    Now: $0.89
    Was: $3.50
    AR15 Mil-Spec Trigger Guard         Our trigger guard assemblies are manufactured from 7075-T6 aluminum, precision machined, and then anodized and assembled. Features: Billet 7075 construction Comes assembled with spring and...
    Now: $0.89
    Was: $3.50
  • AR15 Trigger Guard Kit Billet Aluminum lower part for building your lower receiver-www.A1Armory.com AR15 Trigger Guard Kit Billet Aluminum lower part for building your lower receiver-www.A1Armory.com

    AR10 / AR15 Billet Aluminum Trigger Guard Kit

    $11.69
      AR10 / AR15 Billet Aluminum Trigger Guard Kit -        Description: Upgrade your AR15 or AR10 with our top-of-the-line Billet Aluminum Trigger Guard Kit. Precision-machined from high-quality 6061-T6 aluminum, this...
    $11.69
  • AR-15 Magazine Catch Kit assembly AR-15 Magazine Catch Kit assembly

    AR15 Magazine Catch Kit

    $6.29
    AR-15 Magazine Catch Kit       Description: Upgrade your AR-15 with our high-quality AR-15 Magazine Catch Kit, a crucial component designed to enhance your firearm's functionality and durability. Crafted with precision using...
    $6.29
  • AR15 Pin and Detent Kit AR15 Pin and Detent Kit

    AR15 Pin and Detent Kit

    $11.48
    AR-15 Phosphate Pin and Detent Kit       Title: AR-15 Phosphate Pin and Detent Kit - Precision Crafted USA Components for Mil-Spec Lower Receivers Description: Elevate your AR-15 build with our meticulously crafted AR-15...
    $11.48
  • AR15 Lost Parts springs and detents/pins  Kit

    A1Armory AR15 Lost Parts Kit

    $15.26
    A1Armory AR15 Lost Parts Kit     A1Armory AR15 Lost Parts Kit Set - a comprehensive solution designed to keep your AR15 build on track by providing a complete set of high-quality, 100% USA-produced components. Crafted with meticulous attention...
    $15.26
  • AR10  AR15 Pivot & Takedown Pin Spring lower parts sold in bulk quantity-www.A1Armory.com

    AR10 / AR15 Pivot & Takedown Pin Spring Set

    $1.13
    A1Armory AR15 Lower Parts - Pivot & Takedown Pin Spring Set     Pivot & Takedown Pin Spring Set, meticulously engineered to Milspec dimensions for uncompromised performance and compatibility. This set is designed for use on M16, AR15,...
    $1.13