AR-15 Parts

AR-15 Parts

Welcome to A1Armory.com! The top choice for deals on AR-15 parts, kits, accessories and more. All discounted priced and backed by outstanding customer service. Made in America with warranties!

  • Timber Creek Flat Dark Earth (FDE) 9 Slot Picatinny Rail

    Timber Creek Flat Dark Earth (FDE) 9 Slot Picatinny Rail

    MSRP: $29.99
    $22.49
    Timber Creek Flat Dark Earth (FDE) 9 Slot Picatinny Rail     Upgrade your firearm with the Timber Creek Outdoors FDE 9 Slot Picatinny Rail — designed to combine robust functionality with a bold splash of color...
    MSRP: $29.99
    $22.49
  • Timber Creek Burnt Bronze 9 Slot Picatinny Rail

    Timber Creek Burnt Bronze 9 Slot Picatinny Rail

    MSRP: $29.99
    $22.49
    Timber Creek Outdoors Burnt Bronze 9 Slot Picatinny Rail   Upgrade your firearm with the Timber Creek Outdoors Burnt Bronze 9 Slot Picatinny Rail — designed to combine robust functionality with a bold splash of color. Whether...
    MSRP: $29.99
    $22.49
  • Timber Creek Blue 9 Slot Picatinny Rail

    Timber Creek Blue 9 Slot Picatinny Rail

    MSRP: $29.99
    $22.49
    Timber Creek Blue 9 Slot Picatinny Rail   Timber Creek Outdoors Blue 9 Slot Picatinny Rail – Precision, Durability, and Style Enhance your firearm setup with the Timber Creek Outdoors Blue 9 Slot Picatinny Rail, designed for...
    MSRP: $29.99
    $22.49
  • Timber Creek QD Black 9 Slot Picatinny Rail

    Timber Creek Black 9 Slot QD Picatinny Rail

    MSRP: $29.99
    $22.49
    Timber Creek QD Black 9 Slot Picatinny Rail       Timber Creek Outdoors Black 9 Slot Picatinny Rail – Precision, Durability, and Style Enhance your firearm setup with the Timber Creek Outdoors Black 9 Slot...
    MSRP: $29.99
    $22.49
  • 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
  • On Sale
    A1Armory AR-15 Blue 16 .300 Blackout Complete Upper

    A1Armory AR-15 Blue 16" .300 Blackout Complete Upper

    Now: $350.99
    Was: $419.95
    AR-15 Blue 16" .300 Blackout Complete Upper- FREE SHIPPING       The A1Armory AR-15 Blue 16" .300 Blackout Complete Upper is the perfect combination of precision engineering, style, and reliability. Built in the USA, this upper assembly is...
    Now: $350.99
    Was: $419.95
  • A1Armory OD Green 8.5 .300 Blackout Pistol Upper w Nitride Bolt Carrier

    A1Armory OD Green 8.5" .300 Blackout Pistol Upper w BCG

    $305.99
    A1Armory OD Green 8.5" .300 Blackout Pistol Upper w Nitride Bolt Carrier Group- FREE SHIPPING       A1Armory complete AR-15 .300 Blackout Pistol Upper comes FULLY ASSEMBLED with a 300 BO barrel, bolt carrier group and capable of shooting ...
    $305.99
  • A1Armory OD Green 10.5 5.56 NATO Pistol Upper w Nitride Bolt Carrier Group

    A1Armory OD Green 10.5" 5.56 NATO Pistol Upper w BCG

    $350.96
    A1Armory OD Green 10.5" 5.56 NATO Pistol Upper w Nitride Bolt Carrier Group- FREE SHIPPING       A1Armory complete AR-15 .5.56 NATO Complete Pistol Upper comes FULLY ASSEMBLED with a 5.56 nato barrel, bolt carrier group and capable of...
    $350.96
  • A1Armory Blue 10.5 .300 Blackout Pistol Upper w Nitride Bolt Carrier Group

    A1Armory Blue 10.5" .300 Blackout Pistol Upper w BCG

    $349.16
    A1Armory Blue 10.5" .300 Blackout Pistol Upper w Nitride Bolt Carrier Group- FREE SHIPPING       Fully Assembled Unlock the potential of your AR-15 with the A1Armory Blue 10.5" .300 Blackout Pistol Upper, a fully assembled...
    $349.16
  • A1Armory Burnt Bronze 10.5 .300 Blackout Pistol Upper w Nitride Bolt Carrier Group

    AR-15 Bronze 10.5" Complete Pistol Upper w BCG

    $349.16
    AR-15 Bronze 10.5" Complete Pistol Upper w Nitride Bolt Carrier Group- FREE SHIPPING             Choose your caliber: .300 Blackout, .223 Wylde, or 5.56 NATO Upgrade your AR-15 pistol build with...
    $349.16
  • A1Armory OD Green 10.5 .300 Blackout Pistol Upper w Nitride Bolt Carrier Group

    A1Armory OD Green 10.5" .300 Blackout Pistol Upper w BCG

    $314.99
    A1Armory OD Green 10.5" .300 Blackout Pistol Upper w Nitride Bolt Carrier Group- FREE SHIPPING     A1Armory complete AR-15 .300 Blackout Pistol Upper comes FULLY ASSEMBLED with a 300 BO barrel, bolt carrier group and capable of shooting .300 BO...
    $314.99
  • 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 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     Keep your AR-15 running at peak performance with the Bravo Company USA 3 Pack Extractor Spring Upgrade Kit. Designed to solve common extraction and reliability issues, this kit delivers superior...
    $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
  • AR-15 Firing Pin Retainer

    AR15 Firing Pin Retainer

    $3.59
    AR-15 Firing Pin Retainer       Don’t overlook this small but vital component! The AR-15 Firing Pin Retainer is a must-have spare to keep your bolt carrier group functioning reliably. Perfect for replacements or backups, this part...
    $3.59
  • AR-15 Extractor Spring Insert.

    AR-15 Extractor Spring Insert

    $1.08
    AR-15 Extractor Spring Insert       Our extractor inserts are made on our precision molds, right here in the USA. With the proper material and mil-spec durometer, our extractor inserts are the real deal! Features: Mil-Spec Fits Any...
    $1.08
  • 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
  • Guntec AR15 Flat Dark Earth Assembled Billet Upper Receiver

    Guntec AR15 Flat Dark Earth Assembled Billet Upper Receiver

    $161.96
    Guntec AR15 Flat Dark Earth Assembled Billet Upper Receiver-FREE SHIPPING     US Made In Scottsdale, Arizona 1913 Picatinny Rail Flat Top Cerakote Flat Dark Earth Finish Upper, Black Forward Assist And Gate Slim...
    $161.96

AR-15 Parts – Build, Customize & Maintain Your Rifle

At A1Armory.com, we carry a full selection of high-quality AR-15 parts designed for shooters who demand reliability, performance, and customization options. Whether you’re building your first AR from the ground up, upgrading components for improved handling, or replacing worn parts, we provide everything you need in one place.

Why Choose Our AR-15 Parts?
✅ Wide Selection – From barrels, triggers, handguards, and stocks to small pins, springs, and buffer assemblies, we stock all the essential AR-15 components.
✅ Premium Materials – Every part is crafted from durable materials like 4150 Chrome Moly Vanadium steel, 7075-T6 aluminum, and stainless steel to ensure strength and long service life.
✅ Cerakote & Anodized Colors – Personalize your rifle with a variety of Cerakote finishes and anodized colors including Flat Dark Earth (FDE), Burnt Bronze, Zombie Green, and more.
✅ Made in the USA Options – We proudly carry parts manufactured in the United States, built to meet strict Mil-Spec standards.
✅ Affordable & Trusted – Competitive pricing backed by our small, family-owned business ethos means you get dependable parts with unmatched service.

Build It Your Way
Whether you want a precision long-range rifle, a lightweight competition build, or a tactical carbine, our parts catalog gives you the freedom to customize your AR-15 exactly how you want it. From complete upper and lower assemblies to individual components, we ensure compatibility, performance, and trusted quality in every piece we sell.