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.

  • 100-AR-15 Nylon Tipped Receiver Tension Set Screw

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

    MSRP: $2.99
    $1.28
    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
    $1.28
  • On Sale
    LBE Unlimited Buffer Retainer Pin, pack of 10

    LBE Unlimited Buffer Retainer Pin, pack of 10

    Now: $23.91
    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: $23.91
    Was: $31.49
  • AR-15 6 Position Mil-Spec Buffer Tube

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

    $12.87
    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...
    $12.87
  • AR-15 Mil Spec Buffer Tube Enhanced Lower Parts Kit Combo

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

    $44.15
    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...
    $44.15
  • Phase5 Grey Angled Textured Magazine Release Button

    Phase5 Grey Angled Textured Magazine Release Button

    $9.19
    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...
    $9.19
  • Timber Creek Orange QD End Plate Combo

    Timber Creek Orange QD End Plate Combo

    MSRP: $29.99
    $22.99
    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
    $22.99
  • AR-15 Enhanced End Plate Castle Nut QD Set

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

    MSRP: $24.99
    $17.47
    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
    $17.47
  • AR15 Cerakote Red Extended Bolt Catch Release

    AR15 Cerakote Red Extended Bolt Catch Release

    MSRP: $34.99
    $27.59
    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
    $27.59
  • AR15 Blue Tactical Enhanced Bad Lever Bolt Catch Extender

    AR15 Blue Tactical Enhanced Bad Lever Extender

    $32.19
    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
    $32.19
  • AR15 Gold Tactical Enhanced Battery Assist Device aka Bad Lever

    AR15 Gold Tactical Enhanced Bolt Catch Bad Lever Extender

    $32.15
    AR Platform Anodized Gold Extended Bad Lever       Product Description: Introducing our Gold Anodized Extended Bolt Catch Release Bad Lever, designed to revolutionize your firearm's functionality and streamline your shooting experience...
    Availability:
    Usually Ships In 24 Hours
    $32.15
  • Odin Works Blue Zulu Stock Color Bundle

    Odin Works Blue Zulu Stock Color Bundle Kit

    $441.59
    Odin Works Blue Zulu Stock Color Bundle-FREE SHIPPING!       Zulu Stock 15" MLOK O2 Lite forend Mag Release, Safety Lever and XCH Charging Handle all in Blue!                    ...
    $441.59
  • Timber Creek AR15 Mil Spec red anodized Buffer Tubes

    Timber Creek AR15 Red Mil Spec Buffer Tube

    $32.19
    Timber Creek AR15 Red Mil Spec Buffer Tube       Timber Creek AR15 Red Mil-Spec Buffer Tube features a striking red anodized finish, providing not only an extra layer of protection against corrosion and wear but also adding a touch of...
    $32.19
  • A1Armory AR15AR10 Black Carbon Steel Push Button Speed Safety with Spring & Pin

    A1Armory Ambi Speed Push Button Safety Selector

    MSRP: $29.99
    $22.07
    AR15/AR10 Black Carbon Steel Push Button Speed Safety with Spring & Pin       A1Armory AR15/AR10 Black Push Button Speed Safety with Spring & Pin – a precision-engineered upgrade that revolutionizes your firearm control...
    MSRP: $29.99
    $22.07
  • On Sale
    A1Armory AR15 Reduced Power Trigger Kit

    A1Armory AR15 Reduced Power Trigger Kit

    Now: $8.97
    Was: $14.75
    A1Armory AR15 Reduced Power Trigger Kit       Mil-spec AR-15 triggers typically have an 8 to 9 pound trigger pull with factory springs. Utilizing A1Armory's Reduced Power Trigger Spring Kit should achieve a trigger pull reduction of 2 to 4...
    Now: $8.97
    Was: $14.75
  • A1Armory AR15 50% Reduced Power Disconnector Spring

    10-AR15 50% Reduced Power Disconnector Spring

    $27.55
    10-AR15 50% Reduced Power Disconnector Spring       AR-15 50% Reduced Power Disconnector Springs – 10 PackUpgrade your trigger performance with this set of reduced power disconnector springs, engineered to deliver a smoother, lighter...
    $27.55
  • AR15 25% Reduced Power Trigger Spring

    A1Armory AR15 25% Reduced Power Trigger Spring

    $5.20
    AR15 25% Reduced Power Trigger Spring     Reduced Power Trigger Springs are aproximately 25% lighter than the factory mil-spec trigger spring to help improve trigger pull. For Use With: COLT AR15/M16/M4/CAR15 RP TRIGGER SPRING...
    $5.20
  • On Sale
    Odin Works Red Zulu Stock Color Bundle

    Odin Works Red Zulu Stock Color Bundle Kit

    Now: $432.39
    Was: $507.00
    Odin Works Red Zulu Stock Color Bundle-FREE SHIPPING!       Zulu Stock 15" MLOK O2 Lite forend Mag Release, Safety Lever and XCH Charging Handle all in Red!                      ...
    Now: $432.39
    Was: $507.00
  • On Sale
    Odin Works FDE Zulu Stock Color Bundle

    Odin Works FDE Zulu Stock Color Bundle Kit

    Now: $425.95
    Was: $506.99
    Odin Works (FDE) Flat Dark Earth Zulu Stock Color Bundle-FREE SHIPPING!     Zulu Stock 15" MLOK O2 Lite forend Mag Release, Safety Lever and XCH Charging Handle all in Flat Dark Earth!                ...
    Now: $425.95
    Was: $506.99
  • Odin Works Black Zulu Stock Color Bundle Kit

    Odin Works Black Zulu Stock Color Bundle Kit

    $441.59
    Odin Works Black Zulu Stock Color Bundle-FREE SHIPPING!     Zulu Stock 15" MLOK O2 Lite forend Mag Release, Safety Lever and XCH Charging Handle all in BLACK!                      ...
    $441.59
  • AR-15 We The People Laser Engraved Trigger Guard

    AR15 We The People Engraved Trigger Guard

    MSRP: $14.99
    $13.79
    AR-15 We The People Laser Engraved Trigger Guard         Show your patriotism with every shot. The AR-15 “We The People” Laser Engraved Trigger Guard is the perfect upgrade for builders who want...
    MSRP: $14.99
    $13.79
  • AR-15 Spartan Molon Labe Engraved Trigger Guard

    AR-15 Spartan Molon Labe Custom Engraved Trigger Guard

    MSRP: $14.99
    $13.79
    AR-15 "Spartan Molon Labe" Engraved Trigger Guard       Make a bold statement on your AR-15 with the Spartan "Molon Labe" Engraved Trigger Guard — a symbol of defiance and warrior spirit. Crafted for patriots and serious builders...
    MSRP: $14.99
    $13.79
  • AR-15 7.62x39 Laser Engraved Trigger Guard

    AR-15 7.62x39 Engraved Trigger Guard

    MSRP: $14.99
    $13.79
    AR-15 7.62x39 Laser Engraved Trigger Guard       Add a functional upgrade with a custom touch using our 7.62x39 Laser Engraved Trigger Guard. Designed for durability and enhanced usability, this trigger guard delivers both performance and...
    MSRP: $14.99
    $13.79
  • AR15 300 Blackout Laser Engraved Trigger Guard

    AR-15 300 Blackout Engraved Trigger Guard

    MSRP: $14.99
    $9.19
    AR15 .300 Blackout Laser Engraved Trigger Guard       Upgrade your rifle with precision and style using this laser-engraved .300 BLACKOUT Enhanced Trigger Guard. Built for both functionality and aesthetics, this guard is CNC machined and...
    MSRP: $14.99
    $9.19
  • AR-15 Nylon Tipped Receiver Tension Set Screw

    AR-15 1/4X28 Nylon Tipped Tension Set Screw

    MSRP: $2.99
    $1.83
    AR-15 Nylon Tipped Tension Set Screw 1/4X28       AR-15 Nylon Tipped Receiver Tension Set Screw – 1/4x28 Thread | Made in the USA ✅ Compatible with all Mil-Spec AR-15 lower receivers✅ Eliminates upper/lower receiver wobble✅...
    MSRP: $2.99
    $1.83
  • Timber Creek AR15 Tungsten Enforcer Vertical Foregrip-mlok

    Timber Creek AR15 Tungsten Enforcer Vertical Foregrip

    MSRP: $79.99
    $63.47
    Timber Creek AR15 Tungsten Enforcer Vertical Foregrip-                     Timber Creek AR15 Skeletonized Lightweight Tungsten Enforcer Vertical Foregrip – the perfect fusion of form and...
    MSRP: $79.99
    $63.47
  • Timber Creek AR15 Red Enforcer Vertical Foregrip

    Timber Creek AR15 Red Enforcer Vertical Foregrip

    MSRP: $79.99
    $63.47
    Timber Creek AR15 Red Enforcer Vertical Foregrip                  Versatile Design: The Timber Creek AR15 Skeletonized Lightweight Tungsten Enforcer Vertical Foregrip is a direct mount MLOK...
    MSRP: $79.99
    $63.47
  • Timber Creek AR15 Purple Enforcer Vertical Foregrip

    Timber Creek AR15 Purple Enforcer Vertical Foregrip

    MSRP: $79.99
    $63.47
    Timber Creek AR15 Purple Enforcer Vertical Foregrip     Title: Timber Creek Purple AR-15 Enforcer Skeletonized Colored Pistol Grip - Precision and Style in Every Grip Description: Elevate your AR-15 experience with the Timber...
    MSRP: $79.99
    $63.47
  • Timber Creek AR15 Orange Enforcer Vertical Foregrip

    Timber Creek AR15 Orange Enforcer Vertical Foregrip

    MSRP: $79.99
    $63.47
    Timber Creek AR15 Orange Enforcer Vertical Foregrip-                  Versatile Design: The Timber Creek AR15 Skeletonized Lightweight Purple Enforcer Vertical Foregrip is a direct mount MLOK...
    MSRP: $79.99
    $63.47
  • Timber Creek AR15 Flat Dark Earth Enforcer Vertical Foregrip

    Timber Creek AR15 FDE Enforcer Vertical Foregrip

    MSRP: $79.99
    $63.47
    Timber Creek AR15 Flat Dark Earth Enforcer MLOK Vertical Foregrip                                                 ...
    MSRP: $79.99
    $63.47
  • Timber Creek AR15 Blue Enforcer Vertical Foregrip-A1Armory.com

    Timber Creek AR15 Blue Enforcer Vertical Foregrip

    MSRP: $79.99
    $63.47
    Timber Creek AR15 Blue Enforcer Vertical Foregrip-               Versatile Design: The Timber Creek AR15 Skeletonized Lightweight Blue Enforcer Vertical Foregrip is a direct mount MLOK accessory,...
    MSRP: $79.99
    $63.47
  • On Sale
    AR15 3.5lb Rise Armament 535 Drop In Trigger

    AR15 3.5lb Rise Armament 535 Drop In Trigger

    Now: $225.39
    Was: $259.00
    AR15 3.5lb Rise Armament 535 Drop In Trigger- FREE SHIPPING!     Upgrade any ODIN Works build with one of the best triggers in the industry. With a crazy-fast reset, nearly nonexistent over-travel, and a smoother, crisper, lighter trigger...
    Now: $225.39
    Was: $259.00
  • AR15 Extractor O-Ring 3 Pack

    AR15 Extractor O-Ring 3 Pack

    $0.92
    AR15 Mil Spec Extractor O-Ring       Fits All Standard AR15 Sized Bolts Fits Over Extractor Spring to Increase Reliability Manufactured to Mil-Spec Dimensions 100% American Made 3 pack              ...
    $0.92
  • Presma Skeletonized Gold Anodized Buttstock

    Presma Gold Skeletonized Buttstock

    $109.47
    Presma Skeletonized Gold Anodized Buttstock        Upgrade your rifle with style and strength using the Presma Skeletonized Mil-Spec Buttstock in a bold gold anodized finish. Engineered for high-performance shooting, this...
    $109.47
  • Odin Works Red XMR 3 Extended Magazine Release

    Odin Works Red XMR 3 Extended Magazine Release Button

    $19.31
    Odin Works Red XMR 3 Extended Magazine Release       Title: Odin Works Red XMR 3 Extended Magazine Release for AR-15: Enhanced Ergonomics and Quick Reloads Description: Upgrade your AR-15 with the Odin Works Red XMR 3 Extended...
    $19.31