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.

  • Guntec AR-15 Blue Knurled Extended Takedown Pin Sets

    Guntec AR-15 Blue Knurled Extended Takedown Pin Sets

    MSRP: $29.99
    $22.46
    Guntec AR-15 Blue Knurled Extended Takedown Pin Sets       Add both function and flair to your AR-15 with the Guntec Anodized Blue Knurled Extended Takedown Pin Set — designed to enhance both ease-of-use and custom style. Whether...
    MSRP: $29.99
    $22.46
  • A1Armory AR-15 Anodized Black Anti-Rotation TriggerHammer Pin Set

    A1Armory AR-15 Anodized Black Anti-Rotation Trigger/Hammer Pin Set

    MSRP: $24.99
    $17.06
    A1Armory AR-15 Anodized Black Anti-Rotation Trigger/Hammer Pin Set         Description: Upgrade your AR-15 with the A1Armory AR-15 Anodized Black Anti-Rotation Trigger/Hammer Pin Set, a reliable solution designed to prevent...
    MSRP: $24.99
    $17.06
  • A1Armory AR-15 Anodized Silver Anti-Rotation TriggerHammer Pin Set

    A1Armory AR-15 Anodized Silver Anti-Rotation Trigger/Hammer Pin Set

    MSRP: $24.99
    $17.06
    Guntec AR-15 Anodized Silver Anti-Rotation Trigger/Hammer Pin Set       Description: Upgrade your AR-15's stability and enhance its longevity with the Guntec AR-15 Anodized Silver Anti-Rotation Trigger/Hammer Pin Set...
    MSRP: $24.99
    $17.06
  • A1Armory AR-15 Anodized Red Anti-Rotation TriggerHammer Pin Set

    A1Armory AR-15 Anodized Red Anti-Rotation Trigger/Hammer Pin Set

    MSRP: $24.99
    $17.09
    AR-15 Anodized Red Anti-Rotation Trigger/Hammer Pin Set       Elevate both the performance and appearance of your AR-15 with this Anodized Red Anti-Rotation Trigger/Hammer Pin Set. Designed for shooters who demand...
    MSRP: $24.99
    $17.09
  • A1Armory AR-15 Anodized Purple Anti-Rotation TriggerHammer Pin Set

    A1Armory AR-15 Anodized Purple Anti-Rotation Trigger/Hammer Pin Set

    MSRP: $24.99
    $17.06
    AR-15 Anodized Purple Anti-Rotation Trigger/Hammer Pin Set     Elevate both the performance and appearance of your AR-15 with this Anodized Purple Anti-Rotation Trigger/Hammer Pin Set. Designed for shooters who demand...
    MSRP: $24.99
    $17.06
  • Guntec AR-15 Anodized Orange Anti-Rotation TriggerHammer Pin Set

    Guntec AR-15 Anodized Orange Anti-Rotation Trigger/Hammer Pin Set

    MSRP: $29.99
    $26.99
    Guntec AR-15 Anodized Orange Anti-Rotation Trigger/Hammer Pin Set       Upgrade your AR-15’s reliability and style with the Guntec USA Anodized Orange Anti-Rotation Trigger/Hammer Pin Set. Designed to eliminate pin walk and...
    MSRP: $29.99
    $26.99
  • A1Armory AR-15 Anodized OD Green Anti-Rotation TriggerHammer Pin Set

    A1Armory AR-15 Anodized Green Anti-Rotation Trigger/Hammer Pin Set

    MSRP: $24.99
    $17.06
    AR-15 Anodized Green Anti-Rotation Trigger/Hammer Pin Set       Secure your fire control group with enhanced durability and confidence using the AR-15 Anodized Green Anti-Rotation Trigger/Hammer Pin Set. Engineered to eliminate pin...
    MSRP: $24.99
    $17.06
  • A1Armory AR-15 Anodized Blue Anti-Rotation Trigger Hammer Pin Set

    A1Armory AR-15 Anodized Blue Anti-Rotation Trigger/Hammer Pin Set

    MSRP: $24.99
    $17.06
    A1Armory AR-15 Anodized Blue Anti-Rotation Trigger/Hammer Pin Set       Description: Upgrade your AR-15 with the A1Armory AR-15 Anodized Blue Anti-Rotation Trigger/Hammer Pin Set, a high-quality solution designed to enhance...
    MSRP: $24.99
    $17.06
  • A1Armory AR-15 Anodized Bronze Anti-Rotation TriggerHammer Pin Set

    A1Armory AR-15 Anodized Bronze Anti-Rotation Trigger/Hammer Pin Set

    MSRP: $24.99
    $17.06
    A1Armory AR-15 Anodized Bronze Anti-Rotation Trigger/Hammer Pin Set     Description: Upgrade your AR-15 with the A1Armory Anodized Burnt Bronze Anti-Rotation Trigger/Hammer Pin Set, designed to enhance the stability and security...
    MSRP: $24.99
    $17.06
  • XTS Skeletonized Stock Complete Lower Parts Kit with fire control group

    XTS-58 AR Stock Complete Lower Parts Kit

    MSRP: $139.99
    $80.09
    XTS Skeletonized Stock Complete Lower Parts Kit       XTS Skeletonized Stock Complete Lower Parts Kit – Elevate Your AR Build Upgrade your AR platform with the XTS Skeletonized Stock Complete Lower Parts Kit, engineered for...
    MSRP: $139.99
    $80.09
  • XTS Skeletonized Stock Buffer Tube Kit

    XTS-58 AR Stock Carbine Buffer Tube Kit

    MSRP: $69.99
    $52.19
    XTS Skeletonized Stock Buffer Tube Kit         Upgrade your rifle with the XTS Skeletonized Stock Buffer Tube Kit, the perfect fusion of style, comfort, and tactical efficiency. Designed for both seasoned AR...
    MSRP: $69.99
    $52.19
  • XTS Skeletonized Stock with Angled Rubber Buttpad

    XTS Skeletonized AR Stock XTS-58

    MSRP: $39.99
    $35.99
    XTS-58 Skeletonized Stock with Angled Rubber Buttpad       Upgrade your AR platform with the XTS-58 Skeletonized Stock, a precision-engineered solution that delivers performance, comfort, and standout styling in one rugged package...
    MSRP: $39.99
    $35.99
  • Timber Creek Tungsten Ambidextrous Safety Selector

    Timber Creek Tungsten Ambi Safety Selector

    MSRP: $39.99
    $31.49
    Timber Creek Outdoors Tungsten Ambidextrous Safety Selector       Timber Creek Outdoors Tungsten Ambidextrous Safety Selector – Precision, Performance, and Versatility in One Elevate your AR platform with the Timber Creek Outdoors...
    MSRP: $39.99
    $31.49
  • Timber Creek Red Ambi Safety Selector

    Timber Creek Red Ambi Safety Selector

    MSRP: $39.99
    $31.49
    Timber Creek Red Ambidextrous Safety Selector       Elevate your AR platform with the Timber Creek Outdoors Red Ambidextrous Safety Selector — a premium upgrade that combines cutting-edge design, rugged construction, and...
    MSRP: $39.99
    $31.49
  • Timber Creek Purple Ambidextrous Safety Selector

    Timber Creek Purple Ambi Safety Selector

    MSRP: $39.99
    $31.49
    Timber Creek Purple Ambidextrous Safety Selector       Add custom color and modular functionality to your rifle with the Timber Creek Outdoors Ambidextrous Safety Selector in Purple. Designed for shooters who demand adaptability and style,...
    MSRP: $39.99
    $31.49
  • Timber Creek Orange Ambidextrous Safety Selector

    Timber Creek Orange Ambi Safety Selector

    MSRP: $39.99
    $31.49
    Timber Creek Outdoors Orange Ambidextrous Safety Selector       Elevate your control and customization with the Timber Creek AMBI SS Orange Safety Selector – a precision-machined, drop-in upgrade for any Mil-Spec AR-15 lower...
    MSRP: $39.99
    $31.49
  • Timber Creek OD Green Ambidextrous Safety Selector

    Timber Creek OD Green Ambi Safety Selector

    MSRP: $39.99
    $31.49
    Timber Creek Olive Drab Green ODG Ambidextrous Safety Selector       Upgrade your AR platform with the Timber Creek Outdoors ODG Ambidextrous Safety Selector, the perfect blend of tactical functionality, custom styling, and battle-tested...
    MSRP: $39.99
    $31.49
  • Timber Creek Outdoors Flat Dark Earth Ambidextrous Safety Selector

    Timber Creek Flat Dark Earth Ambi Safety Selector

    MSRP: $39.99
    $31.49
    Timber Creek Outdoors Flat Dark Earth Ambidextrous Safety Selector       Enhance your AR platform with the Timber Creek Outdoors FDE Ambidextrous Safety Selector—a premium drop-in upgrade that delivers modular function, sleek design,...
    MSRP: $39.99
    $31.49
  • Timber Creek Burnt Bronze Ambidextrous Safety Selector

    Timber Creek Burnt Bronze Ambi Safety Selector

    MSRP: $39.99
    $31.49
    Timber Creek Burnt Bronze Ambidextrous Safety Selector       Upgrade your AR platform with the Timber Creek Outdoors Ambidextrous Safety Selector in Burnt Bronze — a premium component built for reliability, versatility, and stunning...
    MSRP: $39.99
    $31.49
  • Timber Creek Outdoors Blue Ambidextrous Safety Selector

    Timber Creek Blue Ambi Safety Selector

    MSRP: $39.99
    $31.49
    Timber Creek Outdoors Blue Ambidextrous Safety Selector       Give your rifle an instant upgrade in functionality, control, and visual appeal with the Timber Creek Outdoors Blue Ambidextrous Safety Selector. Engineered for precision and...
    MSRP: $39.99
    $31.49
  • Timber Creek Outdoors Black Ambidextrous Safety Selector

    Timber Creek Black Ambi Safety Selector

    MSRP: $39.99
    $31.49
    Timber Creek Outdoors Black Ambidextrous Safety Selector       Upgrade your AR platform with precision-engineered control. The Timber Creek Outdoors Black Ambidextrous Safety Selector delivers superior ergonomics, sleek styling,...
    MSRP: $39.99
    $31.49
  • Mil Spec AR-15 Trigger

    Tiger Rock Mil Spec AR-15 Trigger

    MSRP: $18.99
    $10.79
    Tiger Rock Mil Spec AR-15 Trigger       Upgrade your AR platform with the Tiger Rock Mil Spec AR-15 Trigger, engineered to meet strict military specifications for unmatched reliability and precision. Proudly Made in the USA, this...
    MSRP: $18.99
    $10.79
  • AR-15 AR-10 Hex Head Pistol Grip bolt

    Bulk AR-15/AR-10 Pistol Grip Bolt/Star Lock Washer

    $157.49
    Bulk AR-15 / AR-10 Hex Head Pistol Grip Bolt Set       Bulk AR-15 Grip Bolt & Washer Set – 250 Minimum Order ✅ Precision-Fit AR-15 Grip Hardware – Designed to securely mount standard AR-15 pistol grips to...
    $157.49
  • A1Armory AR-15 Buffer Retaining Pin & Spring

    AR-15 Buffer Retaining Pin & Spring Set

    $2.69
    A1Armory AR-15 Buffer Retaining Pin & Spring Set     Must purchase 3 AR-15 Buffer Retaining Pin & Spring Set – a precision-engineered component crafted for maximum durability and seamless compatibility with all...
    $2.69
  • AR-10 LR-308 A2 Rifle Length Buffer weight

    AR-10 / LR-308 A2 Rifle Length Buffer

    MSRP: $29.99
    $17.09
    AR-10 / LR-308 A2 5.4 ounce Rifle Length Recoil Buffer        Introducing the A2 .308 Rifle Length Recoil Buffer, meticulously crafted to Mil-spec standards for unparalleled performance and durability. Weighing...
    MSRP: $29.99
    $17.09
  • On Sale
    AR-15AR-10 3.5LBS Competition Drop In Trigger System

    AR-15/AR-10 3.5LBS Competition Drop In Trigger System

    Now: $150.29
    Was: $184.95
    AR-15/AR-10 3.5LBS Competition Drop In Trigger System-FREE SHIPPING       Upgrade your shooting experience with the Competition Drop In Trigger System, meticulously crafted for precision and reliability. This premium trigger system is...
    Now: $150.29
    Was: $184.95
  • Presma Skeletonized Blue Pistol Arm Brace Pistol Buffer Tube Kit

    Presma Blue Skeletonized Pistol Buffer Tube Kit

    $112.49
    Presma Skeletonized Blue Pistol Arm Brace Pistol Buffer Tube Kit -FREE SHIPPING       Enhance your firearm's versatility and style with the Presma Skeletonized Blue Pistol Arm Brace Pistol Buffer Tube Kit. This premium kit is designed to...
    $112.49
  • AR-15 FDE LE-Stock w Ambi QD interface Carbine Buffer Tube Kit

    AR-15 FDE LE-Stock w/ Ambi QD interface Carbine Buffer Tube Kit

    $43.19
    AR-15 FDE LE-Stock w/ Ambi QD interface Buffer Kit       Product Description: AR-15 FDE LE-Stock w/ Ambi QD Interface Buffer Kit Features: FDE LE-Stock Design: Crafted in a sleek Flat Dark Earth (FDE) finish, the LE-Stock...
    $43.19
  • Guntec Enhanced Flat Dark Earth FDE Lightweight Trigger Guard

    Guntec Enhanced Flat Dark Earth FDE Lightweight Trigger Guard

    MSRP: $24.99
    $17.09
    AR-15 Enhanced Flat Dark Earth (FDE) Trigger Guard       Upgrade your lower receiver with this rugged and stylish Enhanced AR-15 Trigger Guard in Cerakote Flat Dark Earth. Designed for improved functionality and...
    MSRP: $24.99
    $17.09
  • AR15/AR10 Enhanced Black Trigger Guard

    Guntec Enhanced Anodized Black Trigger Guard

    $13.49
    AR-15 Enhanced Black Trigger Guard       Enhance your shooting experience with the Guntec AR-15 Enhanced Trigger Guard, designed specifically to provide extra space for better access and comfort. Perfect for tactical situations or...
    $13.49
  • On Sale
    AR15AR10 Traction Control FLAT DARK EARTH (FDE) Pistol Grip

    AR15/AR10 Traction Control FDE Pistol Grip

    Now: $13.49
    Was: $24.95
    AR15/AR10 Traction Control FLAT DARK EARTH (FDE) Pistol Grip         Title: A1Armory AR15/AR10 Traction Control FLAT DARK EARTH (FDE) Pistol Grip Description: Enhanced Comfort and Grip: Our A1Armory AR15/AR10...
    Now: $13.49
    Was: $24.95
  • AR15 Trinity Force Sand Slim Vert Keymod Grip

    AR15 Trinity Force Sand Slim Vert Keymod Vert Grip

    $13.49
    AR15 Trinity Force Sand Slim Vert Keymod Grip       The Slim Vert Grip is a traditional, right angle vertical grip designed to be mounted to any KeyMod rail system. The contoured KeyMod base creates a smooth transition profile between the...
    $13.49
  • AR-15 Rifle Tuned Buffer Spring

    AR15 Rifle Tuned Buffer Spring

    $7.19
    AR-15 Rifle Tuned Buffer Spring       AR15 Rifle Tuned Buffer Spring, meticulously crafted for optimum performance. Quality Steel Construction: Engineered from premium-grade steel, ensuring durability and reliability in the...
    $7.19
  • Timber Creek AR-15 Robins Egg Blue Lower Parts Kit

    Timber Creek Outdoors AR-15 Robins Egg Blue Lower Parts Kit

    $89.09
    Timber Creek Outdoors AR-15 Robins Egg Blue Lower Parts Kit       Add standout style and superior function to your AR-15 with the Timber Creek Outdoors Robin’s Egg Blue Lower Parts Kit. Precision CNC-machined from aircraft-grade...
    $89.09
  • Timber Creek outdoors AR-15 OD Green Lower Parts Kit

    Timber Creek Outdoors AR-15 OD Green Lower Parts Kit

    $89.09
    Timber Creek Outdoors AR-15 OD Green Lower Parts Kit       Complete your AR-15 build with the Timber Creek Outdoors ODG Lower Parts Kit, engineered for performance and built with a tough, military-inspired Olive Drab Green anodized finish...
    $89.09
  • Timber Creek Blue QD End Plate Combo

    Timber Creek Blue QD End Plate Combo

    MSRP: $29.99
    $20.69
    Timber Creek Blue QD End Plate Combo       Timber Creek Blue Anodized Quick Detach End Plate Combo with Sling Swivel – the ultimate upgrade for your firearm. Elevate your shooting experience with these top-notch features: Drop-In...
    MSRP: $29.99
    $20.69
  • Timber Creek QD End Plate Combo

    Timber Creek Black QD End Plate Combo

    MSRP: $29.99
    $20.69
    Timber Creek Black QD End Plate Combo       Timber Creek Black Anodized Quick Detach End Plate Combo with Sling Swivel – the ultimate upgrade for your firearm. Here's why it stands out: Effortless Installation: Enjoy a hassle-free...
    MSRP: $29.99
    $20.69
  • A1Armory AR15 Flat Dark Earth (FDE) A2 Pistol Grip

    A1Armory AR15 Flat Dark Earth A2 Pistol Grip

    MSRP: $18.99
    $14.39
    AR15 Flat Dark Earth (FDE) A2 Pistol Grip       Our kit includes the FDE A2 grip, grip screw, and grip lock washer Features: Flat Dark Earth (FDE) A2 Grip Hex Bolt Retaining Washer Made in...
    MSRP: $18.99
    $14.39
  • Phase 5 Red Dimpled Magazine Release

    Phase5 Red Dimpled Magazine Release Button

    $8.99
    Phase 5 Red Dimpled Magazine Release   Black/ Red/ Grey / Blue 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...
    $8.99
  • 5.3 Foam cover for AR Pistol buffer tube

    5.3" 1.25"OD Pistol Buffer Tube Foam Cover

    MSRP: $8.99
    $4.49
    5.3" Foam cover for AR Pistol buffer tube       Enhance the handling and comfort of your AR pistol with our precision-designed Foam Pad for AR-15 Pistol Buffer Tubes. Built for rugged performance and superior user comfort, this 5.3-inch...
    MSRP: $8.99
    $4.49