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.

  • OD Green MLOK Rugged Barrier Stop

    Timber Creek OD Green MLOK Rugged Barrier Stop

    MSRP: $39.99
    $30.59
    Timber Creek ODG MLOK Rugged Barrier Hand Stop       The Timber Creek Outdoors ODG M-LOK Rugged Barrier Stop is engineered to deliver superior protection and durability for your firearm setup. Designed for M-LOK handguards, this barrier...
    MSRP: $39.99
    $30.59
  • Flat Dark Earth MLOK Rugged Barrier Stop

    Timber Creek Flat Dark Earth MLOK Rugged Barrier Stop

    MSRP: $39.99
    $29.69
    Timber Creek Flat Dark Earth MLOK Rugged Barrier Stop       Upgrade your firearm with the Timber Creek Outdoors FDE MLOK Rugged Barrier Stop, engineered for superior rail protection and enhanced stability. Built tough for serious shooters,...
    MSRP: $39.99
    $29.69
  • On Sale
    Burnt Bronze MLOK Rugged Barrier Stop

    Timber Creek Burnt Bronze MLOK Rugged Barrier Stop

    Now: $29.48
    Was: $40.00
    Timber Creek Burnt Bronze MLOK Rugged Barrier Stop       Take your firearm’s modularity and protection to the next level with the Timber Creek Outdoors Burnt Bronze MLOK Rugged Barrier Stop. Designed for durability and ease of use,...
    Now: $29.48
    Was: $40.00
  • timber creek outdoors Blue MLOK Rugged Barrier Stop

    Timber Creek Blue MLOK Rugged Barrier Stop

    MSRP: $39.99
    $30.59
    Timber Creek Blue MLOK Rugged Barrier Hand Stop       Enhance your firearm’s performance and protection with the Timber Creek Outdoors Blue MLOK Rugged Barrier Stop — engineered to provide reliable support and rugged durability...
    MSRP: $39.99
    $30.59
  • AR15 Bolt Catch Lost Parts Kit

    AR15 Bolt Catch Lost Parts Kit

    $2.69
    AR15 Bolt Catch Lost Parts Kit        Keep your build on track with the AR-15 Bolt Catch Lost Parts Kit, a must-have for any rifle enthusiast or armorer. Whether you're completing a new lower, making repairs, or keeping spares on...
    $2.69
  • ar15 Safety Selector Spring & Detent

    AR Safety Selector Spring & Detent

    $2.51
    AR-15 Safety Selector Spring & Detent       Upgrade your build or complete essential maintenance with the AR Platform Safety Selector Spring & Detent, a mil-spec component crafted for precision, compatibility, and durability...
    $2.51
  • AR-15 A2 Rifle Buttstock Screw

    AR-15 A2 Rifle Buttstock Screw

    $3.83
    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...
    $3.83
  • Odin Works Blue XMR Extended Magazine Release

    Odin Works Blue XMR Extended Magazine Release

    $20.66
    Odin Works Blue 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...
    $20.66
  • Odin Works Silver XMR Extended Magazine Release

    Odin Works Silver XMR Extended Magazine Release

    $17.99
    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...
    $17.99
  • Odin Works red XMR Extended Magazine Release

    Odin Works Red XMR Extended Magazine Release

    $20.66
    Odin Works Red 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...
    $20.66
  • On Sale
    AR.308 Orange Anodized Mil Spec 6 Position Buffer Tube

    AR Orange Anodized Mil Spec 6 Position Buffer Tube

    Now: $31.46
    Was: $40.00
    Orange Anodized Mil Spec 6 Position Buffer Tube       Add a vibrant, high-performance upgrade to your AR-15 build with this Orange Anodized Mil-Spec 6-Position Buffer Tube Kit. Precision-engineered from durable...
    Now: $31.46
    Was: $40.00
  • On Sale
    AR.308 Robins Egg Blue Mil Spec 6 Position Buffer Tube

    AR Robins Egg Blue Mil Spec 6 Position Buffer Tube

    Now: $31.46
    Was: $40.00
    Robins Egg Blue Mil Spec 6 Position Buffer Tube     Choose Kit or Tube   Add a vibrant, high-performance upgrade to your AR-15 build with this Robins Egg Blue Anodized Mil-Spec 6-Position Buffer Tube Kit...
    Now: $31.46
    Was: $40.00
  • On Sale
    AR.308 Purple Anodized Mil Spec 6 Position Buffer Tube

    AR Purple Anodized Mil Spec 6 Position Buffer Tube

    Now: $31.46
    Was: $40.00
    Purple Anodized Mil Spec 6 Position Buffer Tube       Upgrade your firearm with the Purple Anodized Mil Spec 6 Position Buffer Tube Partial Kit, designed to deliver both exceptional durability and eye-catching style...
    Now: $31.46
    Was: $40.00
  • On Sale
    AR.308 OD Green Mil Spec 6 Position Buffer Tube

    AR OD Green Mil Spec 6 Position Buffer Tube

    Now: $31.46
    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: $31.46
    Was: $40.00
  • On Sale
    AR/.308 Flat Dark Earth Anodized Mil Spec 6 Position Buffer Tube

    AR Flat Dark Earth Anodized Mil Spec 6 Position Buffer Tube

    Now: $31.46
    Was: $40.00
    Flat Dark Earth Anodized Mil Spec 6 Position Buffer Tube         AR Flat Dark Earth Anodized Mil Spec 6 Position Buffer Tube, a high-quality and durable component designed to enhance the performance and versatility of your AR...
    Now: $31.46
    Was: $40.00
  • On Sale
    AR.308 Tungsten Anodized Mil Spec 6 Position Buffer Tube

    AR Tungsten Anodized Mil Spec 6 Position Buffer Tube

    Now: $31.46
    Was: $40.00
    Tungsten Anodized Mil Spec 6 Position Buffer Tube       AR Tungsten Anodized Mil Spec 6 Position Buffer Tube, a high-quality and durable component designed to enhance the performance and aesthetics of your AR platform. Engineered with...
    Now: $31.46
    Was: $40.00
  • On Sale
    AR.308 Anodized Burnt Bronze Mil Spec 6 Position Buffer Tube

    AR Anodized Burnt Bronze Mil Spec 6 Position Buffer Tube

    Now: $31.46
    Was: $40.00
    Anodized Burnt Bronze Mil Spec 6 Position Buffer Tube       AR Anodized Burnt Bronze Mil Spec 6 Position Buffer Tube, a high-quality component designed to enhance the functionality and aesthetics of your AR platform. This buffer tube kit...
    Now: $31.46
    Was: $40.00
  • AR.308 Anodized Red Mil Spec 6 Position Buffer Tube

    Timber Creek Red Mil Spec 6 Position Buffer Tube Partial Kit

    $56.66
    Timber Creek Anodized Red Mil Spec 6 Position Buffer Tube   Mil-Spec Buffer Tube is compatible with stocks from a wide range of manufacturers, Available in 9 standard colors. This Blue Anodized Buffer tube is the perfect compliment to the rest of...
    $56.66
  • On Sale
    AR Anodized Blue Mil Spec 6 Position Buffer Tube

    AR Anodized Blue Mil Spec 6 Position Buffer Tube

    Now: $31.46
    Was: $39.99
    Anodized Blue Mil Spec 6 Position Buffer Tube       Add a vibrant, high-performance upgrade to your AR-15 build with this Blue Anodized Mil-Spec 6-Position Buffer Tube Kit. Precision-engineered from durable 7075-T6 aluminum, this kit...
    Now: $31.46
    Was: $39.99
  • 3 Pack AR-15 Extractor Spring Upgrade Kit.

    3 Pack AR-15 Extractor Spring Upgrade Kit

    $11.66
    3 Pack AR-15 Extractor Spring Upgrade Kit     Keep your AR-15 running at peak performance with the Bravo Company USA 3 Pack Extractor Spring Upgrade Kit. Designed to solve common extraction and reliability issues, this kit delivers superior...
    $11.66
  • AR-15 Extractor Spring Upgrade Kit

    AR-15 Extractor Spring Upgrade Kit

    $4.46
    AR-15 Extractor Spring Upgrade Kit       Improve your AR-15’s reliability and performance with this Extractor Spring Upgrade Kit by Bravo Company USA. Whether you're running a carbine, mid-length, or pistol-length gas system, this...
    $4.46
  • Phase 5 Grey Oversized Magazine Release Button (OMR)

    Phase5 Grey Oversized Magazine Release (OMR)

    $19.79
    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...
    $19.79
  • Phase 5 AR-15 Grey Winter Trigger Guard

    Phase5 Grey Winter Trigger Guard

    MSRP: $29.99
    $26.99
    Phase 5 AR-15 Grey Winter Trigger Guard     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 feature when wearing gloves or...
    MSRP: $29.99
    $26.99
  • Phase 5 Blue Winter Trigger Guard

    Phase5 Blue Winter Trigger Guard

    MSRP: $29.99
    $26.99
    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...
    MSRP: $29.99
    $26.99
  • Phase 5 Red Winter Trigger Guard

    Phase5 Red Winter Trigger Guard

    MSRP: $29.99
    $26.99
    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...
    MSRP: $29.99
    $26.99
  • Phase5 Red Oversized Magazine Release (OMR)

    Phase5 Red Oversized Magazine Release (OMR)

    $19.79
    Phase 5 Red 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...
    $19.79
  • Phase 5 Blue Oversized Magazine Release Button (OMR)

    Phase5 Blue Oversized Magazine Release (OMR)

    $19.79
    Phase 5 Blue 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...
    $19.79
  • Phase5 Blank Grey Magazine Release

    Phase5 Grey Blank Magazine Release

    $8.99
    Phase5 Blank Grey Magazine Release   Black/ Red/ Grey / Blue The face of this magazine button is blank to provide a canvas for you to create your own design, or pick your favorite color and leave it as-is. The Phase 5™ PMR...
    $8.99
  • Phase5 Blank blue Magazine Release

    Phase5 Blue Blank Magazine Release

    $8.99
    Phase5 Blank Blue Magazine Release   Black/ Red/ Grey / Blue The face of this magazine button is blank to provide a canvas for you to create your own design, or pick your favorite color and leave it as-is. The Phase 5™ PMR...
    $8.99
  • Timber Creek AR-15AR-10 Tungsten Oversized Trigger Guard.

    Timber Creek AR Tungsten Oversized Trigger Guard

    MSRP: $23.99
    $17.99
    Timber Creek Outdoors Tungsten Oversized Trigger Guard       Upgrade your AR platform with the Timber Creek Outdoors Tungsten Oversized Trigger Guard, engineered for both form and function. Designed for enhanced accessibility...
    MSRP: $23.99
    $17.99
  • Ar15 timber creek robins egg blue trigger guard-a1armory

    Timber Creek AR Robins Egg Blue Oversized Trigger Guard

    MSRP: $24.99
    $17.99
    Timber Creek Outdoors Robins Egg Blue Oversized Trigger Guard       Add color, comfort, and control to your AR build The Timber Creek Outdoors Oversized Trigger Guard in Robins Egg Blue offers the perfect blend of style and...
    MSRP: $24.99
    $17.99
  • Timber Creek AR-15AR-10 Red Oversized Trigger Guard

    Timber Creek AR Red Oversized Trigger Guard

    MSRP: $24.99
    $17.99
    Timber Creek Outdoors Red Oversized Trigger Guard       Add performance and style to your AR build with the Timber Creek Outdoors Red Oversized Trigger Guard. Designed for enhanced ergonomics and flawless function, this premium...
    MSRP: $24.99
    $17.99
  • Timber Creek AR-15AR-10 Purple Oversized Trigger Guard

    Timber Creek AR Purple Oversized Trigger Guard

    MSRP: $24.99
    $17.99
    Timber Creek Outdoors Purple Oversized Trigger Guard       Upgrade your rifle's performance and aesthetics with the Timber Creek Outdoors Purple Oversized Trigger Guard. Precision-machined and finished with a vibrant anodized...
    MSRP: $24.99
    $17.99
  • Timber Creek AR-15AR-10 Orange Oversized Trigger Guard

    Timber Creek AR Orange Oversized Trigger Guard

    MSRP: $24.99
    $17.99
    Timber Creek Outdoors Orange Oversized Trigger Guard       Upgrade your rifle's performance and aesthetics with the Timber Creek Outdoors Orange Oversized Trigger Guard. Precision-machined and finished with a...
    MSRP: $24.99
    $17.99
  • Timber Creek AR-15AR-10 OD Green Oversized Trigger Guard

    Timber Creek AR OD Green Oversized Trigger Guard

    MSRP: $24.99
    $17.99
    Timber Creek Outdoors ODG Oversized Trigger Guard       Upgrade your AR-15 platform with both style and functionality using the Timber Creek Outdoors Oversized Trigger Guard in Olive Drab Green (ODG). Crafted from premium...
    MSRP: $24.99
    $17.99
  • Timber Creek AR Flat Dark Earth Oversized Trigger Guard

    Timber Creek AR Flat Dark Earth Oversized Trigger Guard

    MSRP: $24.99
    $17.99
    Timber Creek Flat Dark Earth FDE Oversized Trigger Guard       Upgrade your AR-platform rifle with enhanced style, comfort, and function. The Timber Creek Outdoors Oversized Trigger Guard in Flat Dark Earth (FDE) is...
    MSRP: $24.99
    $17.99
  • Timber Creek AR-15 Burnt Bronze Oversized Trigger Guard

    Timber Creek Burnt Bronze AR15 Oversized Trigger Guard

    MSRP: $24.99
    $17.99
    Timber Creek AR-15 Burnt Bronze Oversized Trigger Guard       Upgrade your rifle's performance and aesthetics with the Timber Creek Outdoors Burnt Bronze Oversized Trigger Guard. Precision-machined and finished with...
    MSRP: $24.99
    $17.99
  • Timber Creek AR-15 Blue Oversized Trigger Guard

    Timber Creek Blue AR15 Oversized Trigger Guard

    MSRP: $24.99
    $21.59
    Timber Creek Outdoors AR-15 Blue Oversized Trigger Guard       Add function, flair, and precision machining to your AR-15 lower with the Timber Creek Outdoors Blue Oversized Trigger Guard. This high-quality component not only enhances the...
    MSRP: $24.99
    $21.59
  • Timber Creek Tungsten Extended Mag Release

    Timber Creek Tungsten Extended Mag Release

    MSRP: $19.99
    $15.74
    Timber Creek AR Tungsten Extended Mag Catch Release       Unlock faster reloads and uncompromising reliability with the Timber Creek AR Tungsten Extended Mag Catch Release. Expertly engineered for serious shooters, this premium...
    MSRP: $19.99
    $15.74
  • Timber Creek Robins Egg Blue Extended Mag Release.

    Timber Creek Robins Egg Blue Extended Mag Release

    MSRP: $19.99
    $15.74
    Timber Creek Outdoors Robins Egg Blue Extended Mag Release       Enhance your AR-15’s functionality and style with the Timber Creek Outdoors Robins Egg Blue Extended Mag Release. Engineered for swift, reliable magazine...
    MSRP: $19.99
    $15.74