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!

  • On Sale
    2pcs Timing Shims for .223  5.56 Free Float Barrel Nuts

    2pcs Shim for .223 / 5.56 Free Float Barrel Nuts

    Now: $0.89
    Was: $1.75
    2pcs Timing Shims for .223 / 5.56 Free Float Barrel Nuts     AR15 .223/5.56 Barrel Nut Shim. Barrel Nut Shims are a great compliment to any .223 Free Float Quad Rail . If your forend doesn’t have the ability to “time” the...
    Now: $0.89
    Was: $1.75
  • AR15 Silver Aluminum Ejection Port Dust Cover Assembly

    AR15 Silver Aluminum Ejection Port Dust Cover Assembly

    $13.49
    AR-15 Silver Aluminum Ejection Port Dust Cover Assembly       Add both form and function to your rifle with the AR-15 Silver Aluminum Ejection Port Dust Cover Assembly. Precision-engineered from high-quality materials and proudly made in...
    $13.49
  • AR15 Red Aluminum Ejection Port Dust Cover Assembly

    AR15 Red Aluminum Ejection Port Dust Cover Assembly

    $11.69
    AR15 Red Aluminum Ejection Port Dust Cover Assembly       Add both form and function to your rifle with the AR-15 Red Aluminum Ejection Port Dust Cover Assembly. Precision-engineered from high-quality materials and proudly...
    $11.69
  • AR15 Blue Aluminum Ejection Port Dust Cover Assembly

    AR15 Blue Aluminum Ejection Port Dust Cover Assembly

    $11.69
    AR15 Blue Aluminum Ejection Port Dust Cover Assembly         Add both form and function to your rifle with the AR-15 Blue Aluminum Ejection Port Dust Cover Assembly. Precision-engineered from high-quality...
    $11.69
  • AR15 Gold Aluminum Ejection Port Dust Cover Assembly

    AR15 Gold Aluminum Ejection Port Dust Cover Assembly

    $11.69
    AR15 Gold Aluminum Ejection Port Dust Cover Assembly       Add both form and function to your rifle with the AR-15 Gold Aluminum Ejection Port Dust Cover Assembly. Precision-engineered from high-quality materials and proudly made in the...
    $11.69
  • AR15 Brown Aluminum Ejection Port Dust Cover Assembly

    AR15 Brown Aluminum Ejection Port Dust Cover Assembly

    $11.69
    AR15 Brown Aluminum Ejection Port Dust Cover Assembly       Add both form and function to your rifle with the AR-15 Brown Aluminum Ejection Port Dust Cover Assembly. Precision-engineered from high-quality materials and...
    $11.69
  • AR15 2235.56 Tactical Charging Handle With Extended Latch Handle Style 1

    AR15 Tactical Charging Handle w Extended Latch Style 1

    $17.09
    AR15 223/5.56 Tactical Charging Handle With Extended Latch Handle Style 1       Introducing our AR15 223/5.56 Tactical Charging Handle with Extended Latch Handle Style 1, designed to enhance the performance and reliability of your firearm...
    $17.09
  • AR15 Tactical Charging Handle With Extended Latch Handle Style 2

    AR15 Tactical Charging Handle w Extended Latch Style 2

    $17.09
    AR15 Tactical Charging Handle With Extended Latch Handle Style 2         AR15 223/5.56 Tactical Charging Handle with Extended Latch Handle Style 2, meticulously crafted with precision and designed to meet and exceed...
    $17.09
  • 2235.56 Standard Charging Handle, With Extended Latch Handle Style 3

    AR15 Tactical Charging Handle w Extended Latch Style 3

    $17.09
    AR15 223/5.56 Tactical Charging Handle With Extended Latch Handle Style 3       Product Description: AR15 223/5.56 Tactical Charging Handle With Extended Latch Handle Style 3 Upgrade your AR15 223/5.56 upper with our Tactical Charging...
    $17.09
  • AR15 .2235.56 Firing Pin

    AR15 Firing Pin

    $7.19
    AR15 .223/5.56 Firing Pin       Upgrade your AR15 with this premium .223/5.56 firing pin, engineered for reliability and long-term performance. Precision machined in the USA, this firing pin is a must-have for shooters who demand the best...
    $7.19
  • AR15 Extractor O-Ring 3 Pack

    AR15 Extractor O-Ring 3 Pack

    $0.90
    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              ...
    $0.90
  • AR-15 Aluminum 45 Offset Rapid Transition Flip Up Sights

    AR-15 Aluminum 45 Offset Rapid Transition Flip Up Sights

    $34.19
    AR-15 Aluminum 45 Offset Rapid Transition Flip Up Sights       Upgrade your AR-15 with the ultimate in versatility and speed – the 45° Offset Rapid Transition Flip-Up Sights. Engineered for competitive shooters, tactical...
    $34.19
  • AR-15 6.5 Grendel Type II Nickel Boron Bolt Carrier Group

    AR-15 6.5 Grendel Type II Nickel Boron Bolt Carrier Group

    $161.09
    AR-15 6.5 Grendel Type II Nickel Boron Bolt Carrier Group-FREE SHIPPING!          Nickel Boron Bolt Carrier Group 6.5 Grendel II Features: 6.5 Grendel II Nickel boron finish M16 cut Aircraft quality 8620 steel carrier 4130...
    $161.09
  • On Sale
    Guntec AR-15 Anodized Grey Micro Pistol Furniture Set

    Guntec AR15 Grey Micro Pistol Furniture Set

    Now: $187.16
    Was: $229.99
    Guntec AR-15 Anodized Grey Micro Pistol Furniture Set-FREE SHIPPING     Micro AR Pistol System: Micro Pistol System US Made T6 Aluminum Tube Length: 5.75″ Micro Flat Spring Micro 1...
    Now: $187.16
    Was: $229.99
  • Guntec AR15 Black Micro Pistol Furniture Set

    Guntec AR15 Black Micro Pistol Furniture Set

    $188.04
    AR15 Black Micro Pistol Furniture Set-FREE SHIPPING   Micro AR Pistol System: Micro Pistol System US Made T6 Aluminum Tube Length: 5.75″ Micro Flat Spring Micro 1.4″ Buffer that weighs 1...
    $188.04
  • Odin Works Red XMR 3 Extended Magazine Release

    Odin Works Red XMR 3 Extended Magazine Release Button

    $18.89
    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...
    $18.89
  • Odin Works Silver XMR 3 Extended Magazine Release Button

    Odin Works Silver XMR 3 Extended Magazine Release Button

    $18.89
    Odin Works Silver XMR 3 Extended Magazine Release Button         Title: Odin Works Silver XMR 3 Extended Magazine Release - Enhanced AR15 Firearm Control Description: Upgrade your AR15's functionality with the Odin...
    $18.89
  • Guntec 5.5 Rainbow PVD Tie Dye Barrel

    Guntec 5.5" Rainbow PVD Tie Dye Custom Barrel

    MSRP: $224.99
    $202.49
    Guntec 5.5" Rainbow PVD Tie Dye Barrel-FREE SHIPPING!       Turn heads at the range with the Guntec 5.5" Rainbow PVD Tie Dye Barrel, designed for shooters who demand performance and eye-catching aesthetics in ultra-compact builds...
    MSRP: $224.99
    $202.49
  • 7.62x39 7.5 Nitride Pistol Length Heavy Barrel

    7.62x39 7.5" Nitride Pistol Length Barrel

    MSRP: $109.99
    $80.99
    7.62x39 7.5" Nitride Pistol Length Heavy Barrel     Introducing our premium 7.62x39 7.5" Nitride Pistol Length Heavy Barrel, meticulously crafted to elevate your AR-15 experience. Here’s why it stands out: Nickel Boron Barrel Extension:...
    MSRP: $109.99
    $80.99
  • On Sale
    300 Blackout, 7.5 Parkerized Heavy Barrel, 18 Twist, Pistol Length Gas System Barrel

    300 Blackout 7.5" Parkerized Pistol Length Barrel

    Now: $65.69
    Was: $89.99
    7.5" .300 Blackout Parkerized Pistol Length Heavy Barrel         Weight 1.158000 Length 7.5 Profile Heavy Barrel Twist 1:8 Finish Parkerized Material 4150 Chrome Moly Vanadium Thread Pitch 5/8 x 24 Caliber .300...
    Now: $65.69
    Was: $89.99
  • trinity force siege grip

    TF AR15 Aluminum Lightweight Skeletonized Hand Siege Grip

    MSRP: $34.99
    $24.26
    Trinity Force AR15 Aluminum Lightweight Skeletonized Hand Siege Grip       Elevate your rifle’s performance and style with the Trinity Force AR-15 Aluminum Lightweight Skeletonized Hand Siege Grip. Designed for modern shooters,...
    MSRP: $34.99
    $24.26
  • AR15 Collapsible Stock Rubber Buttpad

    AR15 Collapsible Stock Recoil Rubber Pad

    $6.29
    AR-15 Collapsible Stock Rubber Buttpad       Upgrade your AR-15 shooting experience with the Collapsible Stock Rubber Buttpad, engineered for performance, comfort, and improved weapon control. This high-quality rubber buttpad is designed...
    $6.29
  • Trinity Force Stocks Rubber Butt Pad

    Trinity Force Stocks Rubber Butt Pad

    $7.19
    Trinity Force Stocks Rubber Butt Pad       Upgrade your shooting experience with the Trinity Force Rubber Butt Pad, designed specifically for enhanced recoil absorption and shooting stability. Compatible with multiple Trinity Force stock...
    $7.19
  • .936 Low Profile Gas Block WITH 2 SET SCREWS AND A ROLL PIN

    .936 Low Profile Set Screw Gas Block

    $13.46
    .936 Low Profile Gas Block       .936 Low Profile Set Screw Gas Block, meticulously crafted with precision engineering to enhance the performance of your AR-15 and AR-10 barrels. Below, we've outlined the key features that make this gas...
    $13.46
  • A1Armory AR-15 Billet KeyMod Hand Stop

    Trinity Force AR-15 Billet KeyMod Hand Stop

    MSRP: $14.99
    $13.49
    AR-15 Billet KeyMod Hand Stop       Enhance your AR-15's ergonomics and precision with our AR-15 Billet KeyMod Hand Stop. Expertly machined from aircraft-grade aluminum, this compact and durable hand stop is designed to provide superior...
    MSRP: $14.99
    $13.49
  • AR-15 Receiver End Plate- Ambi 180° Sliding Attachment Point

    AR-15 180° Sling End Plate

    MSRP: $14.99
    $10.79
    AR-15 180° Sling End Plate-Sliding Attachment Point       Upgrade your AR-15 with the ultimate in sling versatility and rugged durability. The AR-15 180° Sling End Plate features a sliding attachment point, offering rapid...
    MSRP: $14.99
    $10.79
  • 4 Piece 2235.56308 Bolt Catch Kit

    AR Platform 4 Piece Bolt Catch Kit

    MSRP: $13.99
    $8.99
    AR Platform 4 Piece Bolt Catch Kit        Upgrade or replace your AR platform bolt catch components with this durable and reliable 4-Piece Bolt Catch Kit, designed for compatibility with most AR-15 and .308 platform rifles. Whether...
    MSRP: $13.99
    $8.99
  • AR-15 Mil Spec Buffer Tube Kit w Mil Spec End Plate

    AR-15 Pistol Buffer Tube Kit w/ Mil Spec End Plate

    $26.99
    AR-15 Mil Spec Pistol Buffer Tube Kit   Pistol Buffer Tube. 7.3" Length. 1.25" OD Castle Nut Buffer Spring Mil Spec End Plate 3 oz Recoil Buffer Spring:Industrial Grade SteelHeat TreatedSolid Machined ConstructionBuffer Spring For Mil Spec And...
    $26.99
  • AR-15 9.3 Black Round Buffer Tube

    AR-15 9.3" Black Round Buffer Tube

    $22.28
    AR-15 9.3" Black Round Buffer Tube       Description: Upgrade your AR-15 pistol build with our precision-crafted AR-15 9.3" Black Round Buffer Tube, designed to provide enhanced stability and compatibility with SB-15/SBX pistol...
    $22.28
  • AR-15AR-10 7.3 Black Pistol Buffer Tube

    AR-15 7" Black Anodized Type lll Pistol Buffer Tube

    $17.09
    AR-15 7" Black Anodized Type lll Pistol Buffer Tube       AR-15 7" Black Anodized Type III Pistol Buffer Tube - Your Ultimate Solution for AR-15 Pistol Conversions! Upgrade your AR-15 pistol with our fixed position Mil-Spec Pistol buffer...
    $17.09
  • A1Armory AR-15 16.5 .300 Blackout Purple Complete Upper

    AR-15 Purple 16" .300 Blackout Complete Upper

    MSRP: $419.99
    $349.19
    AR-15 Purple 16" .300 Blackout Complete Upper-FREE SHIPPING       Unlock the perfect blend of bold aesthetics and dependable performance with the A1Armory AR-15 Purple 16" .300 Blackout Complete Upper. Designed for shooters who...
    MSRP: $419.99
    $349.19
  • Timber Creek 15 Blue Ultralight Enforcer Hand Guard

    Timber Creek 15" Blue Ultralight Enforcer Hand Guard

    MSRP: $259.99
    $170.99
    Timber Creek 15" Blue Ultralight Enforcer Hand Guard-FREE SHIPPING   Enhance your AR-15 build with the Timber Creek BLUE Ultralight Enforcer 15" Handguard, engineered for shooters who demand high performance, cutting-edge aesthetics,...
    MSRP: $259.99
    $170.99
  • M16 Bolt Carrier Group - 5.56 9310 Bolt - Nickel Boron

    M16 5.56 Nickel Boron Bolt Carrier Group

    $125.99
    M16 Nickel Boron Bolt Carrier Group -FREE SHIPPING!       Description: Elevate your firearm build with White Label's meticulously crafted M16 Nickel Boron Bolt Carrier Group (BCG). Engineered with precision, every aspect of...
    $125.99
  • 5.56 7.5 M4 Pistol Side Charging Complete Upper Assembly-A1Armory

    5.56 7.5" M4 Pistol Side Charging Complete Upper Assembly

    MSRP: $309.99
    $236.69
    5.56 7.5" M4 Pistol Side Charging Complete Upper Assembly-FREE SHIPPING       Elevate your AR-15 build with our 5.56 7.5" M4 Pistol Side Charging Complete Upper Assembly—engineered for precision, reliability, and tactical superiority...
    MSRP: $309.99
    $236.69
  • AR-15 5.56 Nato 7.5 Stormtrooper White Gradient Pistol Upper

    AR-15 5.56 Nato 7.5" Stormtrooper White Gradient Pistol Upper

    MSRP: $439.99
    $350.99
    AR-15 5.56 Nato 7.5" Stormtrooper White Gradient Pistol Upper-FREE SHIPPING     Bring bold styling and tactical performance together with the AR-15 7.5" Stormtrooper White Gradient Pistol Upper. Designed for shooters who want to stand out...
    MSRP: $439.99
    $350.99
  • XTS HD-4 – Dual Illumination Dot Sight

    XTS HD-4 – Dual Illumination Dot Sight

    MSRP: $82.99
    $74.69
    XTS HD-4 – Dual Illumination Dot Sight     Enhance your shooting precision and speed with the XTS HD-4, a high-performance dual illumination dot sight engineered for versatility and reliability. Whether you’re at the range, in...
    MSRP: $82.99
    $74.69
  • XTS HD-38 – Dual Illumination Dot Sight

    XTS HD-38 – Dual Illumination Dot Sight

    MSRP: $69.99
    $62.99
    XTS HD-38 – Dual Illumination Dot Sight     Upgrade your shooting accuracy and speed with the XTS HD-38, a high-performance dual illumination dot sight designed for precision, versatility, and durability. Proudly MADE IN THE USA, this...
    MSRP: $69.99
    $62.99
  • AT3 OD Green Slick Side Upper Billet Upper Receiver for AR-15

    AR-15 OD Green Slick Side Upper Billet Upper Receiver

    $107.99
    AT3 AR15 OD Green Slick Side Upper Billet Upper Receiver- FREE SHIPPING!     Machined from billet aluminum, this unique slick-side upper receiver has no forward assist, includes a dust cover, and matches perfectly with AT3’s SPEAR...
    $107.99
  • On Sale
    AT3 STEALTH GREY Slick Side Upper Billet Upper Receiver for AR-15

    AR-15 Stealth Grey Slick Side Upper Billet Upper Receiver

    Now: $107.99
    Was: $157.99
    AT3 Stealth Grey Slick Side Upper Billet Upper Receiver for AR-15 -FREE SHIPPING!   Machined from billet aluminum, this unique slick-side upper receiver has no forward assist, includes a dust cover, and matches perfectly with AT3’s...
    Now: $107.99
    Was: $157.99

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.