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.

  • Timber Creek OD Green Dimpled Magazine Release Button

    Timber Creek OD Green Dimpled Magazine Release Button

    MSRP: $19.99
    $7.19
    Timber Creek ODG Dimpled Magazine Release Button       Give your AR build a bold upgrade with the Timber Creek Outdoors ODG Dimpled Magazine Release Button — designed for performance, ease of use, and head-turning...
    MSRP: $19.99
    $7.19
  • Timber Creek Flat Dark Earth (FDE) Dimpled Magazine Release Button

    Timber Creek Flat Dark Earth FDE Dimpled Magazine Release Button

    $7.19
    Timber Creek Flat Dark Earth (FDE) Dimpled Magazine Release Button       Upgrade your AR platform with the Timber Creek FDE Dimpled Magazine Release Button, a precision-machined component designed to deliver improved...
    $7.19
  • Timber Creek Burnt Bronze Dimpled Magazine Release Button

    Timber Creek Burnt Bronze Dimpled Magazine Release Button

    MSRP: $19.99
    $7.19
    Timber Creek Burnt Bronze Dimpled Magazine Release Button       Upgrade your AR platform with the Timber Creek Burnt Bronze Dimpled Magazine Release Button, engineered for superior functionality and a bold aesthetic. Whether...
    MSRP: $19.99
    $7.19
  • Timber Creek Robins Egg Blue Dimpled Magazine Release Button

    Timber Creek Robins Egg Blue Dimpled Magazine Release Button

    MSRP: $19.99
    $7.19
    Timber Creek Robins Egg Blue Dimpled Magazine Release Button       Add a pop of color and improved tactile control to your AR build with the Timber Creek Outdoors Robin Egg Blue Dimpled Magazine Release Button. Designed for...
    MSRP: $19.99
    $7.19
  • Timber Creek Blue Dimpled Magazine Release Button

    Timber Creek Blue Dimpled Magazine Release Button

    MSRP: $19.99
    $7.19
    Timber Creek Blue Dimpled Magazine Release Button       Upgrade your AR-15 with the Timber Creek Outdoors Blue Dimpled Magazine Release Button, designed to provide improved ergonomics, fast mag changes, and a striking visual...
    MSRP: $19.99
    $7.19
  • Timber Creek Black Dimpled Magazine Release Button

    Timber Creek Black Dimpled Magazine Release Button

    MSRP: $19.99
    $7.19
    Timber Creek Black Dimpled Magazine Release Button     Upgrade your AR platform with the Timber Creek Outdoors Black Dimpled Magazine Release Button, designed to deliver enhanced control, durability, and customizable options for...
    MSRP: $19.99
    $7.19
  • Timber Creek AR15 Tungsten MLOK Rugged Barrier Stop

    Timber Creek Tungsten MLOK Rugged Barrier Stop

    MSRP: $39.99
    $30.59
    Timber Creek Outdoors Tungsten MLOK Rugged Barrier Stop     Enhance your MLOK rail system with the Timber Creek Outdoors Tungsten Rugged Barrier Stop, engineered for maximum durability and superior performance. Designed to provide a robust and...
    MSRP: $39.99
    $30.59
  • Robins Egg Blue MLOK Rugged Barrier Stop

    Timber Creek Robins Egg Blue MLOK Rugged Barrier Stop

    MSRP: $39.99
    $30.59
    AR-15 Robins Egg Blue MLOK Rugged Barrier Stop         Enhance your MLOK rail system with the Timber Creek Outdoors REB Rugged Barrier Stop, engineered for maximum durability and superior performance. Designed to...
    MSRP: $39.99
    $30.59
  • TIMBER CREEK OUTDOORS Red MLOK Rugged Barrier AR15 HAND Stop.

    Timber Creek Red MLOK Rugged Barrier Stop

    MSRP: $39.99
    $30.59
    Timber Creek Red MLOK Rugged Barrier Stop       Protect your MLOK handguard and improve your shooting experience with the Timber Creek Outdoors Red MLOK Rugged Barrier Stop — engineered for durability, precision fit, and tactical...
    MSRP: $39.99
    $30.59
  • Timber Creek Purple MLOK Rugged Barrier Stop

    Timber Creek Purple MLOK Rugged Barrier Stop

    MSRP: $39.99
    $30.59
    Timber Creek Purple MLOK Rugged Barrier Stop       Timber Creek Purple MLOK Rugged Barrier Hand Stop – the ultimate accessory for firearm enthusiasts seeking enhanced control, stability, and versatility in their shooting...
    MSRP: $39.99
    $30.59
  • Orange MLOK Rugged Barrier Stop

    Timber Creek Orange MLOK Rugged Barrier Stop

    MSRP: $39.99
    $30.59
    Timber Creek Orange MLOK Rugged Barrier Stop     Protect your firearm and enhance your safety with the Timber Creek Outdoors Orange MLOK Rugged Barrier Stop — designed to provide a reliable barrier and clear visual indicator...
    MSRP: $39.99
    $30.59
  • 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 Ranger Green XMR Extended Magazine Release

    Odin Works Ranger Green XMR Extended Magazine Release

    $17.06
    Odin Works Ranger Green 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...
    $17.06
  • 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 Flat Dark Earth XMR Extended Magazine Release

    Odin Works FDE XMR Extended Magazine Release

    $17.96
    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...
    $17.96
  • 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     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...
    $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