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.

Explore our collection to discover an array of lower parts meticulously engineered to meet the demands of discerning shooters and enthusiasts. Crafted from high-quality materials such as aircraft-grade aluminum and steel alloys, our components boast exceptional strength and resilience to withstand the rigors of continuous use. With an emphasis on precision machining and strict quality control measures, A1Armory.com provides confidence that your AR-15 build will perform flawlessly in any situation. Elevate your shooting experience with our premium AR-15 Lower Parts, where innovation meets reliability for the modern firearm enthusiast.

  • ar15 Safety Selector Spring & Detent ar15 Safety Selector Spring & Detent

    AR Safety Selector Spring & Detent

    $2.25
    AR Platform Safety Selector Spring & Detent         AR Platform Safety Selector Spring & Detent – a premium accessory engineered with precision and manufactured to milspec dimensions for optimal performance. This...
    $2.25
  • AR-15 A2 Rifle Buttstock Screw

    AR-15 A2 Rifle Buttstock Screw

    $4.25
    AR-15 A2 Rifle Buttstock Screw     This Flathead Machine Screw locks the Buttstock onto the Receiver Extension through the Buttstock Spacer. Machined from black manganese phosphate finished steel, this screw is unique in that it has a...
    $4.25
  • Odin Works Orange XMR Extended Magazine Release Odin Works XMR Extended Magazine Release

    Odin Works Orange XMR Extended Magazine Release

    $18.95
    Odin Works Orange XMR Extended Magazine Release   A flagship product for ODIN Works, the XMR (eXtended Magazine Release) is one accessory every AR needs. Machined from billet 6061 aluminum and designed to work with KNS pins. The XMR is 4x...
    $18.95
  • Odin Works Silver XMR Extended Magazine Release Odin Works XMR Extended Magazine Release

    Odin Works Silver XMR Extended Magazine Release

    $19.99
    Odin Works Silver XMR Extended Magazine Release     A flagship product for ODIN Works, the XMR (eXtended Magazine Release) is one accessory every AR needs. Machined from billet 6061 aluminum and designed to work with KNS pins. The XMR...
    $19.99
  • Odin Works Flat Dark Earth XMR Extended Magazine Release Odin Works XMR Extended Magazine Release

    Odin Works FDE XMR Extended Magazine Release

    $19.95
    Odin Works Flat Dark Earth XMR Extended Magazine Release     A flagship product for ODIN Works, the XMR (eXtended Magazine Release) is one accessory every AR needs. Machined from billet 6061 aluminum and designed to work with KNS pins...
    $19.95
  • On Sale
    AR.308 OD Green Mil Spec 6 Position Buffer Tube AR.308 OD Green Mil Spec 6 Position Buffer Tube

    AR OD Green Mil Spec 6 Position Buffer Tube

    Now: $34.95
    Was: $40.00
    OD Green Cerakote Mil Spec 6 Position Buffer Tube       AR OD Green Mil Spec 6 Position Buffer Tube, a premium upgrade for your AR platform that combines durability, functionality, and a sleek OD Green finish. Engineered to Mil-Spec...
    Now: $34.95
    Was: $40.00
  • On Sale
    AR Anodized Blue Mil Spec 6 Position Buffer Tube AR.308 Anodized Blue Mil Spec 6 Position Buffer Tube

    AR Anodized Blue Mil Spec 6 Position Buffer Tube

    Now: $34.95
    Was: $40.00
    Anodized Blue Mil Spec 6 Position Buffer Tube       AR Anodized Blue Mil Spec 6 Position Buffer Tube, a premium enhancement for your AR platform that combines durability, versatility, and a striking anodized blue finish. This meticulously...
    Now: $34.95
    Was: $40.00
  • On Sale
    3 Pack AR-15 Extractor Spring Upgrade Kit AR-15 Extractor Spring Upgrade Kit

    3 Pack AR-15 Extractor Spring Upgrade Kit

    Now: $9.99
    Was: $14.95
    3 Pack AR-15 Extractor Spring Upgrade Kit     Your AR-15  can sometimes bring reliability issues. With this AR-15 extractor spring upgrade kit by Bravo Company USA, you can easily make your AR extract properly and consistently. The heavy...
    Now: $9.99
    Was: $14.95
  • AR-15 Extractor Spring Upgrade Kit

    AR-15 Extractor Spring Upgrade Kit

    $4.95
    AR-15 Extractor Spring Upgrade Kit     Your AR-15  can sometimes bring reliability issues. With this AR-15 extractor spring upgrade kit by Bravo Company USA, you can easily make your AR extract properly and consistently. The heavy coil...
    $4.95
  • Phase 5 Grey Oversized Magazine Release Button (OMR) Phase 5 Grey Oversized Magazine Release Button (OMR)

    Phase5 Grey Oversized Magazine Release (OMR)

    $21.99
    Phase 5 Grey Oversized Magazine Release Button (OMR)     The Phase 5™ OMR (Oversized Magazine Release) is a drop-in two-piece assembly that replaces the Mil-Spec magazine release button. Installation is easy and requires no gunsmithing...
    $21.99
  • On Sale
    Phase 5 Blue Winter Trigger Guard Phase 5 Blue Winter Trigger Guard

    Phase5 Blue Winter Trigger Guard

    Now: $23.99
    Was: $25.00
    Phase 5 Blue Winter Trigger Guard     Black/ Red/ Grey/ Blue The newly revised Phase 5™ Winter Trigger Guard (WTG™) is Billet Aluminum and aggressively styled, but creates more space in the trigger area—a useful...
    Now: $23.99
    Was: $25.00
  • On Sale
    Phase 5 Red Winter Trigger Guard Phase 5 Red Winter Trigger Guard

    Phase5 Red Winter Trigger Guard

    Now: $23.99
    Was: $25.00
    Phase 5 Red Winter Trigger Guard     Black/ Red/ Grey/ Blue The newly revised Phase 5™ Winter Trigger Guard (WTG™) is Billet Aluminum and aggressively styled, but creates more space in the trigger area—a useful...
    Now: $23.99
    Was: $25.00