AR-15 Parts

AR-15 Parts

Welcome to A1armory.com the ultimate destination for AR-15 Parts platform enthusiasts and firearm lovers! Our AR-15 Parts are your one-stop shop for everything you need to build, customize, and enhance your AR platform rifle. We have an extensive selection of high-quality AR-15 parts and accessories to suit your needs at low cost with the best customer service.

  • Timber Creek AR-15 Flat Dark Earth Billet Enhanced Dust cover

    Timber Creek AR-15 Flat Dark Earth Billet Enhanced Dust cover

    $26.99
    Timber Creek AR-15 Flat Dark Earth Billet Enhanced Dust cover       Enhance your AR-15 with the rugged durability and head-turning aesthetics of the Timber Creek Outdoors AR-15 Billet Enhanced Dust Cover in Flat Dark Earth (FDE)...
    $26.99
  • AR-15 Black LE Mil-Spec Adjustable Stock w Sling Adapter

    AR-15 Mil-Spec Adjustable LE Stock w/ Sling Adapter & Recoil Pad

    $17.09
    AR-15 Black LE Mil-Spec Adjustable Stock w/ Sling Adapter       Upgrade your AR-15 platform with the Black LE Mil-Spec Adjustable Stock – engineered for law enforcement-grade performance and built to withstand the...
    $17.09
  • AR-15 Mil Spec Ambi Lower Build Kit minus Lower Receiver-A1Armory.

    AR-15 Mil Spec Lower Build Kit minus Lower Receiver

    MSRP: $139.99
    $89.09
    A1Armory AR-15 Lower Build Kit with LE- Stock-FREE SHIPPING     Complete your AR-15 lower receiver with the A1Armory AR-15 Lower Build Kit, featuring an LE Stock. This kit includes everything you need except the lower receiver itself, available...
    MSRP: $139.99
    $89.09
  • AR-15 Assembled Upper Receiver w Forward Assist & Dust Cover BCG

    AR15 Upper Receiver Assembly w/ Forward Assist & Dust Cover/BCG

    MSRP: $137.99
    $124.19
    AR-15 Assembled Upper Receiver w/ Forward Assist & Dust Cover/ BCG-FREE SHIPPING     Premium-Quality, Fully Assembled AR-15 Upper Receiver – Built for Performance and Durability Upgrade your AR build with this mil-spec,...
    MSRP: $137.99
    $124.19
  • A1A AR-15 Ambi dual sling mount receiver End Plate-A1Armory.com

    AR-15 Ambidextrous Dual Sling Mount End Plate

    MSRP: $8.99
    $4.49
    AR-15 Ambidextrous Receiver Dual Sling Mount End Plate         Upgrade your rifle’s versatility and reliability with the AR-15 Ambidextrous Receiver Dual Sling Mount End Plate. Engineered for rugged durability and...
    MSRP: $8.99
    $4.49
  • AR-15 Receiver Extension End Plates

    AR-15 Mil Spec Receiver End Plates

    MSRP: $7.99
    $3.14
    AR-15 Mil Spec Receiver End Plates                                                              ...
    MSRP: $7.99
    $3.14
  • A1A AR-15 Receiver Extension End Plate

    Bulk Wholesale AR-15 Mil-Spec End Plates

    $2.39
    Bulk Wholesale AR Platform Buffer Tube Receiver End Plates       MINIMUM OF 100 MUST BE PURCHASED Description: Upgrade your AR15, M16, or AR10 with our Mil-Spec AR .223/5.56/.308 Buffer Tube Receiver End Plate, designed to...
    $2.39
  • 10 AR10  AR15 Pivot & Takedown Pin Springs in bulk

    10 AR10 / AR15 Pivot & Takedown Pin Springs

    MSRP: $15.99
    $8.09
    10- Pack Pivot & Takedown Pin Springs         10-Pack Pivot & Takedown Pin Springs✅ Precision-Crafted | ✅ 100% USA Made | ✅ Milspec Quality Ensure smooth operation and reliable performance for your...
    MSRP: $15.99
    $8.09
  • Odin Works Black XMR 3 Extended Magazine Release Button

    Odin Works Black XMR 3 Extended Magazine Release Button

    $18.89
    OdinWorks Black XMR 3 Extended Magazine Release Button       Title: Elevate Your Firearm Performance with Odin Works Black XMR 3 Extended Magazine Release Button Description: Enhance the functionality and aesthetics of your AR15 or AR10...
    $18.89
  • A1Armory AR-15 31 piece complete lower parts kit with fire control group.

    A1Armory 31 piece Lower Parts Kit

    $44.96
    A1Armory AR-15 Lower Parts Kit       Upgrade your AR-15 build with confidence using the A1Armory AR-15 31-Piece Lower Parts Kit — a complete, precision-machined solution for builders and enthusiasts who demand performance,...
    $44.96
  • Adjustable Gas Block Rebuild Kit

    Adjustable Gas Block Rebuild Kit

    $21.59
    Odin Works Adjustable Gas Block Rebuild Kit       Title: Enhance Your Firearm Performance with the Odin Works Adjustable Gas Block Rebuild Kit Description: Upgrade and maintain your firearm with confidence using the Odin Works...
    $21.59
  • Odin Works AR-10 Burnt Bronze XMR 3 Extended Magazine Release Button

    Odin Works Burnt Bronze XMR 3 Extended Magazine Release Button

    $20.69
    Odin Works Burnt Bronze XMR 3 Extended Magazine Release Button       Title: Enhance Your Firearm's Performance with the Odin Works Burnt Bronze XMR 3 Extended Magazine Release Button Description: Upgrade your firearm's functionality with...
    $20.69
  • OdinWorks 223 Black Nitride Bolt Carrier Group

    OdinWorks 223 Black Nitride Bolt Carrier Group

    $116.99
    Odin Works .223/5.56/.300 Black Nitride Bolt Carrier Group-FREE SHIPPING     Features: Mil-Spec dimensions Bolt Carrier Group Material: Case Hardened 8620 Steel Finish: Black Nitride. This advanced low friction coating minimizes the need for...
    $116.99
  • blue Odin Works 15.5" BLUE 02 Lite M-Lok Handguard

    Odin Works Blue 15.5" 02 Lite M-Lok Handguard

    $188.78
    Odin Works 15.5" 02 Lite M-Lok Handguard-FREE SHIPPING!   The O2 Lite Hand guard is the latest and lightest of all the ODIN Works forends. Precision machined from 6005-T651, the O2 lite is a full 20% lighter than its predecessors. All ODIN Works...
    $188.78
  • ODIN WORKS AR15 .223 Wylde 16.1 Mid Length Barrel

    Odin Works AR15 .223 Wylde 16.1" Mid Length Stainless Steel Barrel

    $296.99
      Odin Works .223 16.1" Mid Length Barrel-FREE SHIPPING!             Description: Elevate your AR15 performance to unparalleled levels with the Odin Works .223 16.1" Mid-Length Barrel. Crafted with precision and...
    $296.99
  • Odin Works 223 Wylde  16.1" Intermediate Barrel

    Odin Works .223 Wylde 18" 3-gun Intermediate Barrel

    $313.19
      Odin Works .223 Wylde 18" 3-gun Intermediate Barrel- FREE SHIPPING!           The Odin Works .223 Wylde 18" 3-gun Intermediate Barrel is a high-quality barrel engineered for exceptional accuracy and reliability in...
    $313.19
  • Odin Works 223 Wylde  16.1" Intermediate Barrel

    Odin Works .223 Wylde 16.1" Intermediate Barrel

    $314.99
    Odin Works .223 Wylde 16.1" Intermediate Barrel W Free Adjustable Gas Block-FREE SHIPPING!       Experience the ultimate in accuracy and adaptability with the Odin Works .223 Wylde 16.1" Intermediate Barrel. This exceptional barrel is...
    $314.99
  • SKULL - MILSPEC AR-15 TRIGGER GUARD

    AR15 Custom Engraved Reaper Skull Mil-Spec Trigger Guard

    $8.09
    AR-15 Custom Engraved Reaper Skull Milspec Trigger Guard       Description: Elevate your AR-15 to new heights with our Custom Engraved Reaper Skull Mil-Spec Trigger Guard, meticulously crafted for firearm enthusiasts who...
    $8.09
  • AR15 Custom Engraved Distressed Flag Trigger Guard

    AR15 Custom Engraved Distressed Flag Trigger Guard

    $7.88
    AR15 Custom Engraved Distressed Flag Trigger Guard       Upgrade your AR-15 with the Custom Engraved Distressed American Flag Trigger Guard, a perfect blend of rugged design, patriotic detail, and mil-spec reliability. Crafted for builders...
    $7.88
  • DON'T TREAD ON ME - MILSPEC AR-15 TRIGGER GUARD

    AR15 Custom Engraved Don't Tread On Me Mil-Spec Trigger Guard

    $7.88
    AR15 Custom Engraved Don't Tread On Me Mil-Spec Trigger Guard       Title: "AR15 Custom Engraved Don't Tread On Me Snake Mil-Spec Trigger Guard - Elevate Your Firearm with Precision Craftsmanship" Description: Upgrade your AR15 with the...
    $7.88
  • ar15 black PHASE 5 black DIMPLED MAGAZINE RELEASE button

    Phase5 Black Dimpled Magazine Release Button

    $10.79
    Phase 5 Black 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...
    $10.79
  • PHASE 5 AR-15 COMPLETE BCG WITH ALL-OVER-PRINT - BLACK PHOSPHATE, CHROME LINED.

    Phase5 AR15 Bolt Carrier Group Logo Wrap Printed

    $148.49
    Phase 5 Chrome lined Printed Logo Bolt Carrier Group-FREE SHIPPING!       Title: Phase 5 Limited Edition Chrome-Lined AR-15 Bolt Carrier Group with All-Over-Print Logo Description: Elevate your AR-15 with Phase 5's exclusive...
    $148.49
  • Phase 5 AR-15 NICKEL BORON BOLT CARRIER GROUP

    Phase5 AR-15 Nickel Boron Bolt Carrier Group

    $166.50
    Phase 5 Nickel Boron AR-15 Bolt Carrier Group-FREE SHIPPING       Title: Enhance Your AR-15 Performance with the Phase 5 Nickel Boron Coated Bolt Carrier Group Description: Elevate the performance of your AR-15 with the Phase 5 Nickel...
    $166.50
  • Phase5 black Angled Textured Magazine Release

    Phase5 Black Angle Textured Magazine Release

    $11.69
    Phase5 Black Angled Textured Magazine Release       Title: Precision Performance Upgrade: Phase5 Black Angled Textured Magazine Release for Enhanced Firearm Control Description: Elevate your firearm's performance with the Phase 5™...
    $11.69
  • AR-15 CHROME LINED BLACK PHOSPHATE COMPLETE BOLT CARRIER GROUP

    Phase5 AR-15 Chrome Lined Complete Bolt Carrier Group

    $134.09
    Phase5 AR-15 Chrome Lined Complete Bolt Carrier Group-FREE SHIPPING!     Phase 5’s Mil-spec AR-15 bolt carrier features a heat treated and chrome lined inner with a black phosphate coating. The complete bolt carrier group includes cam...
    $134.09
  • Phase5 Black Oversized Magazine Release (OMR)

    Phase5 Black Oversized Magazine Release (OMR)

    $22.49
    Phase 5 Black Oversized Magazine Release (OMR)           Title: Precision Performance Upgrade: Phase 5 Black Oversized Magazine Release (OMR) for Enhanced Firearm Control Description: Elevate...
    $22.49
  • On Sale
    M16 / M4 CHROME LINED BLACK PHOSPHATE COMPLETE BOLT CARRIER GROUP

    Phase5 M16 / M4 Chrome Lined Complete Bolt Carrier Group

    Now: $143.99
    Was: $165.00
    M16/M4 Chrome Lined Black Phosphate Bolt Carrier Group-FREE SHIPPING!     Phase 5’s Mil-spec M-16 / M4 bolt carrier features a heat treated and chrome lined inner with a black phosphate coating. The complete bolt carrier group includes...
    Now: $143.99
    Was: $165.00
  • PHASE5 EXTENDED BOLT RELEASE LOWER PART V1-WWW.A1ARMORY.COM

    Phase5 Black Extended Bolt Release V1

    MSRP: $59.99
    $44.99
    Phase 5 Extended Black Bolt Release V1     The Phase 5™ Extended Bolt Release v1 (EBRv1) is a two-piece heat-treated add-on. When mounted to your existing bolt catch, the EBRV1 helps clear jams and double feeds efficiently, and allows...
    MSRP: $59.99
    $44.99
  • ar15 BLACK Phase5 Winter Trigger Guard

    Phase5 Black Winter Trigger Guard

    MSRP: $29.99
    $26.99
    Phase 5 Black Winter Trigger Guard       Description: Upgrade your firearm's functionality and aesthetics with the newly redesigned Phase 5 Black Winter Trigger Guard (WTG). Crafted from durable Billet Aluminum and finished...
    MSRP: $29.99
    $26.99
  • BLACK Phase5 Extended Bolt Release V3-www.a1armory.com

    Phase5 Black Extended Bolt Catch Release Bad Lever V3

    MSRP: $64.99
    $58.49
    Phase5 Black Extended Bolt Release Bad Lever V3     The Phase 5™ EBRv3 RED and BLUE finish are CERAKOTE. Does not match anodized red/blue components.  The Extended Bolt Release Version 3 was designed to be compatible with all mil...
    MSRP: $64.99
    $58.49
  • AR-15 Forward Assist Spring lower part

    10 Pack AR15 Forward Assist Springs

    $5.39
    10-AR15 / AR10 Lower Parts - Forward Assist Springs       Title: "Premium 10-Pack AR15/AR10 Lower Parts - Forward Assist Springs" Product Description: Upgrade your firearm's performance with our premium 10-Pack AR15/AR10 Lower Parts -...
    $5.39
  • M16  AR10  AR15 Selector & Ejector Spring 10 pack lower parts-A1Armory

    10 Pack AR-15/AR-10 Selector & Ejector Spring Set

    $8.51
    10 Pack-A1Armory AR-15/AR-10/M16 Selector/Ejector Spring Set     One of the most common caused for a "failure to eject" is a worn or broken ejector spring.  Springs are considered "wear" items and have a limited service life.  Make...
    $8.51
  • AR-15 Gas Key Screw

    AR15/AR10 Gas Key Screw

    $1.13
    AR-15 Gas Key Screw       Title: Precision-Engineered AR-15 Gas Key Screw - Enhance Your Firearm's Performance Description: Upgrade your AR-15, M16, or AR-10 with our top-of-the-line Gas Key Screw, meticulously designed for...
    $1.13
  • A1Armory AR-15 EJECTOR ROLL PIN for bcg bolt carrier groups-A1Armory lower ar15 parts, quantity and bulk discounts

    10 Pack AR-15 Ejector Roll Pins

    $5.84
    A1Armory AR-15 Ejector Roll Pins 10 Pack       AR-15 ejector roll pins play a crucial role in the functioning of the rifle's ejection system. They are small, cylindrical pins that secure the ejector spring and ejector in place within the...
    $5.84
  • AR-15 Extractor Spring for upper bolt carrier group parts in rifle

    10 Pack AR-15 Mil-Spec Extractor Springs

    $6.29
    10 Pack AR-15 Mil Spec Extractor Springs   Mil-Spec Fits any standard AR-15 / M16 bolt Standard power MADE IN USA                                      ...
    $6.29
  • A1Armory AR-15 Trigger Spring

    A1Armory AR-15 Mil Spec Trigger Spring

    $1.79
    A1Armory AR-15 mil-spec Trigger Spring     A1Armory AR-15 Mil-Spec Trigger Spring, meticulously crafted to exacting mil-spec dimensions for optimal performance. This standard power trigger spring is designed for use on both AR15...
    $1.79
  • On Sale
    Guntec AR-15 flat dark earth Essentials Furniture Kit

    Guntec AR-15 Flat Dark Earth Essentials Kit

    Now: $223.16
    Was: $279.95
    Guntec AR-15 Flat Dark Earth Essentials Kit- FREE SHIPPING     Essentials AR-15 Flat Dark Earth Kit Includes: Flat Dark Earth Gen 3 Gate Flat Dark Earth Mil-Spec Buffer Tube Complete Assembly Flat Dark Earth 5.56...
    Now: $223.16
    Was: $279.95
  • AR15 Barrel - 5.56 Carbine Length 16 18 Twist, M4 Profile-www.A1Armory.com

    AR15 16" 5.56 Nitride M4 Carbine Length Barrel

    MSRP: $88.99
    $58.49
    AR15 16" 5.56 Nitride M4 Carbine Length Barrel        Looking for a battle-proven barrel that blends durability, performance, and value? This AR-15 16" 5.56 NATO M4 Carbine-Length Barrel is designed to meet the demands of shooters who...
    MSRP: $88.99
    $58.49
  • A1Armory AR15 Fire Control Group FCG lower parts kit

    A1Armory AR-15 Fire Control Group FCG

    $26.99
    A1Armory AR-15 Fire Control Group FCG       Material Excellence: The A1Armory AR-15 Fire Control Group is crafted with precision using high-quality materials to ensure exceptional durability and performance. The trigger and hammer are...
    $26.99