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.

  • Trinity Force AR15 DI Slim Black Grip

    Trinity Force Black DI Slim Pistol Grip

    MSRP: $17.99
    $14.39
    Trinity Force AR15 DI Slim Black Grip             Upgrade your AR-15 platform with the Trinity Force AR-DI Black Slim Pistol Grip — a precision-engineered grip that offers enhanced ergonomics, superior weapon...
    MSRP: $17.99
    $14.39
  • Trinity Force AR-15 QD Steel End Plate

    Trinity Force QD Steel Receiver End Plate

    MSRP: $13.99
    $8.09
    Trinity Force AR-15 QD Steel End Plate       Enhance the versatility and strength of your AR platform with the Trinity Force AR-15 QD Steel End Plate — a mission-ready upgrade built for tactical performance. Made from high-strength...
    MSRP: $13.99
    $8.09
  • Timber Creek Outdoors AR-15 Tungsten Lower Parts Kit

    Timber Creek Outdoors AR-15 Tungsten Lower Parts Kit

    MSRP: $99.99
    $80.99
    Timber Creek Outdoors AR-15 Tungsten Lower Parts Kit Take your AR-15 build to the next level with the Timber Creek Outdoors AR-15 Tungsten Lower Parts Kit. Designed for shooters who value both precision engineering and modern style, this kit features...
    MSRP: $99.99
    $80.99
  • TCO AR-15 Red Lower Parts Kit

    Timber Creek Outdoors AR-15 Red Lower Parts Kit

    MSRP: $99.99
    $80.99
    Timber Creek Outdoors AR-15 Red Lower Parts Kit       Add a powerful pop of color and tactical performance to your next AR build with the Timber Creek Outdoors AR-15 Red Lower Parts Kit. Designed for shooters who demand quality and...
    MSRP: $99.99
    $80.99
  • timber creek outdoors AR-15 Purple Lower Parts Kit

    Timber Creek Outdoors AR-15 Purple Lower Parts Kit

    MSRP: $99.99
    $80.99
    Timber Creek Outdoors AR-15 Purple Lower Parts Kit       Make your AR-15 build stand out with the Timber Creek Outdoors AR-15 Purple Lower Parts Kit, engineered for reliability, precision, and vibrant style. Crafted from...
    MSRP: $99.99
    $80.99
  • Timber Creek AR-15 Orange Lower Parts Kit

    Timber Creek Outdoors AR-15 Orange Lower Parts Kit

    MSRP: $99.99
    $80.99
    Timber Creek Outdoors AR-15 Orange Lower Parts Kit     Stand out on the range with the Timber Creek Outdoors AR-15 Orange Lower Parts Kit, designed for shooters who want top-tier performance with a splash of bold style. Crafted from...
    MSRP: $99.99
    $80.99
  • TIMBER CREEK OUTDOORS AR-15 Flat Dark Earth Lower Parts Kit

    Timber Creek Outdoors AR-15 Flat Dark Earth Lower Parts Kit

    MSRP: $99.99
    $80.99
    Timber Creek Outdoors AR-15 Flat Dark Earth (FDE) Lower Parts Kit     Build your AR-15 with unmatched precision and tactical flair using the Timber Creek Outdoors Flat Dark Earth (FDE) Lower Parts Kit. Crafted from CNC-machined aircraft-grade...
    MSRP: $99.99
    $80.99
  • Timber Creek Outdoors AR-15 Burnt Bronze Lower Parts Kit

    Timber Creek Outdoors AR-15 Burnt Bronze Lower Parts Kit

    MSRP: $99.99
    $80.99
    Timber Creek Outdoors AR-15 Burnt Bronze Lower Parts Kit       Add a bold, tactical edge to your next AR build with the Timber Creek Outdoors Burnt Bronze Anodized Lower Parts Kit. Crafted from aircraft-grade billet aluminum and...
    MSRP: $99.99
    $80.99
  • Timber Creek AR-15 Blue Lower Parts Kit

    Timber Creek Outdoors AR-15 Blue Lower Parts Kit

    MSRP: $99.99
    $80.99
    Timber Creek Outdoors AR-15 Blue Lower Parts Kit   Bring your AR-15 build to life with the Timber Creek Blue Anodized Lower Parts Kit—a perfect blend of precision engineering, bold aesthetics, and rugged durability. Made from aircraft-grade...
    MSRP: $99.99
    $80.99
  • Phase5 Blue Dimpled Magazine Release Button

    Phase5 Blue Dimpled Magazine Release Button

    $8.99
    Phase5 Blue Dimpled Magazine Release Button     The Phase 5™ PMR-Dimpled is a CNC machined 6061-T6 billet aluminum magazine release button. Easy to install, the PMR is a drop in component that replaces the Mil-Spec magazine release...
    $8.99
  • Phase5 Grey Dimpled Magazine Release Button

    Phase5 Grey Dimpled Magazine Release Button

    $8.99
    Phase5 Grey Dimpled Magazine Release Button     The Phase 5™ PMR-Dimpled is a CNC machined 6061-T6 billet aluminum magazine release button. Easy to install, the PMR is a drop in component that replaces the Mil-Spec magazine release...
    $8.99
  • Lakota Ops AR-15 Mil-Spec Buffer Tube Kit

    Lakota Ops AR-15 Mil-Spec Buffer Tube Kit

    $53.96
    Lakota Ops AR-15 Mil-Spec Buffer Tube Kit     FEATURES: Slide-on replacement for original collapsible buttstock. Angled non-slip rubberized butt-pad allows faster presentation, even with body armor. Quick Detach Sling mounting point is...
    Availability:
    SHIPS 1-3 DAYS PRIORITY MAIL
    $53.96
  • Burnt Bronze AR-15 Enforcer Skeletonized Colored Pistol Grip

    Timber Creek Outdoors AR-15 Burnt Bronze Enforcer Pistol Grip

    MSRP: $99.99
    $76.49
    AR-15 Timber Creek Outdoors Burnt Bronze Enforcer Pistol Grip       Enhance your rifle with a grip that’s as bold in appearance as it is reliable in performance. The Timber Creek Outdoors Enforcer Pistol Grip in Burnt Bronze delivers...
    MSRP: $99.99
    $76.49
  • Tungsten AR-15 Enforcer Skeletonized Colored Pistol Grip-a1armory.com

    Timber Creek AR-15 Tungsten Enforcer Skeletonized Pistol Grips

    MSRP: $99.99
    $76.49
    Timber Creek Outdoors Tungsten AR-15 Enforcer Pistol Grip     Enhance your rifle with a grip that’s as bold in appearance as it is reliable in performance. The Timber Creek Outdoors Enforcer Pistol Grip in Tungsten delivers...
    MSRP: $99.99
    $76.49
  • Red AR-15 Enforcer Skeletonized Colored Pistol Grip

    Timber Creek Outdoors AR-15 Red Enforcer Pistol Grips

    MSRP: $99.99
    $76.49
    Timber Creek Outdoors AR-15 Red Enforcer Pistol Grip       Give your AR platform a bold upgrade with the Timber Creek Outdoors Red Enforcer Pistol Grip — a perfect fusion of aggressive styling, high-performance engineering, and...
    MSRP: $99.99
    $76.49
  • Purple AR-15 Enforcer Skeletonized Colored Pistol Grip

    Timber Creek Outdoors AR-15 Purple Enforcer Pistol Grips

    MSRP: $99.99
    $76.49
    Timber Creek Purple AR-15 Enforcer Pistol Grip       Add bold style and uncompromising performance to your AR-15 with the Timber Creek Outdoors Purple Enforcer Pistol Grip. Designed to deliver a precise, lightweight, and ergonomic upgrade,...
    MSRP: $99.99
    $76.49
  • Orange AR-15 Enforcer Skeletonized Colored Pistol Grip

    Timber Creek Outdoors AR-15 Orange Enforcer Pistol Grips

    MSRP: $99.99
    $76.49
    Timber Creek Outdoors Orange AR-15 Enforcer Pistol Grip-       Enhance your rifle with a grip that’s as bold in appearance as it is reliable in performance. The Timber Creek Outdoors Enforcer Pistol Grip in Orange delivers precision...
    MSRP: $99.99
    $76.49
  • OD Green AR-15 Enforcer Skeletonized Colored Pistol Grip

    Timber Creek Outdoors AR-15 ODG Enforcer Pistol Grips

    MSRP: $99.99
    $76.49
    Timber Creek ODG AR-15 Enforcer Pistol Grip         Upgrade your AR with a grip that delivers superior control, rugged durability, and standout aesthetics. The Timber Creek Outdoors ODG Enforcer Pistol Grip is engineered for shooters...
    MSRP: $99.99
    $76.49
  • Timber Creek Flat Dark Earth AR-15 Enforcer Skeletonized Pistol Grip

    Timber Creek Outdoors AR-15 Flat Dark Earth Enforcer Pistol Grips

    MSRP: $99.99
    $76.49
    Timber Creek Flat Dark Earth AR-15 Enforcer Skeletonized Pistol Grip       Enhance your AR-15’s performance and appearance with the Timber Creek Outdoors FDE Enforcer Pistol Grip — a premium, lightweight grip engineered for...
    MSRP: $99.99
    $76.49
  • TCO Blue AR-15 Enforcer Skeletonized Colored Pistol Grip

    Timber Creek Outdoors AR-15 Blue Enforcer Pistol Grips

    MSRP: $99.99
    $76.49
    Timber Creek Blue AR-15 Ultralight Enforcer Pistol Grip       Bring your rifle to life with the Timber Creek Outdoors Blue Enforcer Pistol Grip — a perfect blend of lightweight design, precision machining, and vibrant aesthetics...
    MSRP: $99.99
    $76.49
  • AR-15 Enhanced Rainbow Oilslick PVD Trigger Guard

    AR-15 Enhanced Rainbow Chameleon PVD Trigger Guard

    MSRP: $39.99
    $35.99
    AR-15 Enhanced Rainbow Chameleon Oilslick PVD Trigger Guard       Upgrade your AR-15 build with the Enhanced Rainbow Oilslick PVD Trigger Guard, a precision-engineered accessory designed to provide both exceptional performance and...
    MSRP: $39.99
    $35.99
  • Trinity Force Sand Stock w QR Sling Adapter Buffer Kit

    AR-15 Alpha Sand Stock Buffer Tube Kit

    $21.59
    AR Platform Alpha Sand Stock Buffer Tube Kit       Upgrade your AR-15 with the Alpha Sand Stock Buffer Tube Kit — a premium, all-in-one buffer assembly designed for durability, functionality, and tactical aesthetics. This kit is...
    $21.59
  • Trinity Force Omega Mil-Spec Adjustable Stock w QR Sling Adapter Buffer Kit

    Omega Mil-Spec Adjustable Stock Buffer Kit

    $43.19
    Trinity Force Omega Mil-Spec Adjustable Stock w/ QR Sling Adapter Buffer Kit       Included: 6 position buffer tube end plate castle nut 3oz buffer weight carbine spring Features: Comes with a quick detach (QD) sling swivel Very sturdy...
    $43.19
  • AR15 Breach 1.0 Pistol Brace Buffer Kit

    AR15 Breach 1.0 Pistol Brace Buffer Kit

    $58.49
    AR15 Breach 1.0 Pistol Brace Buffer Kit     The Breach 1.0 is an ATF approved pistol brace designed to be low profile and easy to install for the end-user. It is built to fit AR-15 pistol buffer tubes with a diameter of 1.25″. The Breach...
    $58.49
  • AR-15 Black Mil-Spec Adjustable Stock w Sling Adapter-www.A1Armory.com

    AR-15 LE-Stock w/ Sling Adapter Buffer Kit

    $40.49
    AR-15 Black LE Adjustable Stock w/ Sling Adapter Buffer Kit     This is a great budget stock for a new build or replacement part. This AR15 ButtStock has 6 positions and comes with the QD Sling adapter/swivel built into the bottom for fast...
    $40.49
  • Trinity Force Alpha Stock Buffer Kit

    AR-15 Trinity Force Alpha Stock Buffer Kit

    $53.99
    Trinity Force Alpha Stock Buffer Kit     The Alpha Stock is versatile enough to work with any AR build. It features a low profile adjustment latch, double injected rubber cheek rest, and slick sided profile. The butt-pad profile is angled to...
    $53.99
  • On Sale
    AR-15 Cobra Stock MK2 Buffer Kit

    AR-15 Cobra Stock MK2 Buffer Kit

    Now: $49.49
    Was: $64.99
    AR-15 Cobra Stock MK2 Buffer Kit   Included: Cobra Stock Mil-Spec 6 position Buffer Tube Carbine Buffer Spring 3oz Carbine Buffer Castle Nut End Plate Stock Features: Patent pending locking system QD sockets / 1.5″ Sling loops Snag-free...
    Now: $49.49
    Was: $64.99
  • Phase5 Blue Angled Textured Magazine Release Button

    Phase5 Blue Angled Textured Magazine Release Button

    $8.99
    Phase5 Blue Angled Textured Magazine Release Button     The Phase 5™ PMR is a CNC machined 6061-T6 billet aluminum magazine release button. Easy to install, the PMR is a drop in component that replaces the Mil-Spec magazine release...
    $8.99
  • Anderson Manufacturing Mil-Spec Carbine Receiver Buffer Kit

    Anderson Mil-Spec Carbine Receiver Buffer Kit

    $35.96
    Anderson Manufacturing Mil-Spec Carbine Receiver Buffer Kit       This Anderson MIL-SPEC Stock Hardware (Receiver Extension & Buffer) Kit includes an extruded 7075-T6 aluminum receiver extension (buffer tube) with a durable hardcoat...
    $35.96
  • 100-AR-15 Nylon Tipped Receiver Tension Set Screw

    Bulk AR-15 1/4x28 Nylon Tipped Tension Set Screws

    MSRP: $2.99
    $1.25
    Wholesale 1/4x28 AR-15 Nylon Tipped Receiver Tension Set Screws        100 MINIMUM ORDER AR-15 Nylon Tipped Receiver Tension Set Screw – 1/4x28 Thread | Made in the USA ✅ Compatible with all Mil-Spec AR-15 lower receivers✅...
    MSRP: $2.99
    $1.25
  • AR-15 Silver Extended Enhanced Takedown Pin Set

    AR-15 Silver Extended Enhanced Takedown Pin Set

    MSRP: $29.99
    $22.49
    AR-15 Silver Extended Enhanced Takedown Pin Set       Strong and lightweight is the name of the game for these new A1Armory Anodized Takedown and Pivot Pins. Coming in at only 0.3oz in weight, these come Extended with the Pivot Pin...
    MSRP: $29.99
    $22.49
  • On Sale
    LBE Unlimited Buffer Retainer Pin, pack of 10

    LBE Unlimited Buffer Retainer Pin, pack of 10

    Now: $23.39
    Was: $31.49
    LBE Unlimited Buffer Retainer Pin, pack of 10   Machined to milspec dimensions Black Nitride coated 100% USA Made Comes in pack of 10
    Now: $23.39
    Was: $31.49
  • AR-15 6 Position Mil-Spec Buffer Tube

    AR-15 Black Anodized 6 Position Mil-Spec Buffer Tube

    $12.59
    A1Armory AR-15 Black Anodized 6 Position Mil-Spec Buffer Tube       Introducing the AR-15 Black Anodized 6 Position Mil-Spec Buffer Tube, a premium firearm accessory meticulously crafted for optimal performance and durability...
    $12.59
  • AR-15 Mil Spec Buffer Tube Enhanced Lower Parts Kit Combo

    AR-15 Mil Spec Buffer Tube Enhanced Lower Parts Kit Combo

    $43.19
    AR-15 Mil Spec Lower Parts Combo Kit       Upgrade your AR-15 with this all-in-one combo kit, engineered for durability, performance, and tactical versatility. Ideal for new builds or custom upgrades, this kit includes everything you need...
    $43.19
  • Phase5 Grey Angled Textured Magazine Release Button

    Phase5 Grey Angled Textured Magazine Release Button

    $8.99
    Phase5 Grey Angled Textured Magazine Release Button     The Phase 5™ PMR is a CNC machined 6061-T6 billet aluminum magazine release button. Easy to install, the PMR is a drop in component that replaces the Mil-Spec magazine release...
    $8.99
  • Timber Creek Orange QD End Plate Combo

    Timber Creek Orange QD End Plate Combo

    MSRP: $29.99
    $20.69
    Timber Creek Orange QD End Plate Combo         Take your rifle to the next level with the Timber Creek Outdoors Orange QD End Plate Combo. Engineered for performance, style, and convenience, this premium upgrade...
    MSRP: $29.99
    $20.69
  • AR-15 Enhanced End Plate Castle Nut QD Set

    AR-15 Enhanced TF End Plate & Presma Castle Nut QD Set

    MSRP: $24.99
    $17.09
    AR-15 Enhanced TF End Plate & Presma Castle Nut QD Set       Upgrade your AR platform with a precision-machined, high-strength Castle Nut and End Plate QD Set designed for superior performance and reliability. Whether you’re...
    MSRP: $24.99
    $17.09
  • AR15 Cerakote Red Extended Bolt Catch Release

    AR15 Cerakote Red Extended Bolt Catch Release

    MSRP: $34.99
    $25.19
    AR15 Cerakote Red Extended Bolt Catch Release       Enhance your AR15’s functionality and aesthetics with the Cerakote Red Extended Bolt Catch Release — a lightweight, ergonomic upgrade designed for faster reloads and superior...
    Availability:
    Usually Ships In 24 Hours
    MSRP: $34.99
    $25.19
  • AR15 Blue Tactical Enhanced Bad Lever Bolt Catch Extender

    AR15 Blue Tactical Enhanced Bad Lever Extender

    $31.49
    AR-15 Blue Tactical Enhanced Bad Lever Bolt Catch Extender       Upgrade your AR-15 with the Blue Tactical Bad Lever Bolt Catch Extender, engineered to enhance your shooting experience through improved ergonomics, speed, and control...
    Availability:
    Usually Ships In 24 Hours
    $31.49