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!

  • 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

    4 Piece 223/5.56 Bolt Catch Kit

    MSRP: $12.99
    $5.84
    4 Piece 223/5.56/308 Bolt Catch Kit      Replacement for 223/5.56/308.Kit includes:Aluminum bolt catch, black anodized [1]Bolt catch plunger, black oxide [1]Bolt catch roll pin [1]Bolt Catch Spring...
    MSRP: $12.99
    $5.84
  • 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
  • On Sale
    AT3 Pink Slick Side Upper Billet Upper Receiver for AR-15

    AR-15 Pink Slick Side Upper Billet Upper Receiver

    Now: $107.99
    Was: $157.99
    AT3 Pink Slick Side Upper Billet Upper Receiver-FREE SHIPPING!   Tough, Sleek, and ready for the AT3 SPEAR M-LOK Handguard Machined from billet aluminum, this unique slick-side upper receiver has no forward assist, includes a dust cover, and...
    Now: $107.99
    Was: $157.99
  • 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
  • On Sale
    AT3 Slick Side Upper Billet Upper Receiver for AR-15

    AR-15 Black Slick Side Upper Billet Upper Receiver

    Now: $98.99
    Was: $128.99
    AT3 Black Slick Side 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 SPEAR handguards...
    Now: $98.99
    Was: $128.99
  • On Sale
    Nickel Boron 5.56 Bolt Carrier Group (BCG)

    Nickel Boron 5.56 Bolt Carrier Group (BCG)

    Now: $125.99
    Was: $165.00
    Nickel Boron 5.56 Bolt Carrier Group (BCG)-FREE SHIPPING!       Title: Tiger Rock INC AR-15 5.56 .223 Nickel Boron Bolt Carrier Group - Unparalleled Performance and Durability Description: Elevate your AR-15's performance to new heights...
    Now: $125.99
    Was: $165.00
  • Timber Creek Blue Ultralight Enforcer 13 hand guard

    Timber Creek Blue Ultralight Enforcer 13" Hand Guard

    MSRP: $219.99
    $170.09
    Timber Creek Blue Ultralight Enforcer 13" Hand Guard-FREE SHIPPING         Title: Timber Creek 13" Blue Ultralight Enforcer Hand Guard - Premium AR-15 Accessory at A1Armory Product Description: Enhance your AR-15's...
    MSRP: $219.99
    $170.09
  • UL E13 HG BB

    Timber Creek Burnt Bronze Ultralight Enforcer 13" Hand Guard

    MSRP: $219.99
    $170.09
    Timber Creek Burnt Bronze Ultralight Enforcer 13" Hand Guard- FREE SHIPPING!         Title: Timber Creek 13" Burnt Bronze Ultralight Enforcer Hand Guard - Enhance Your AR15 with Unmatched Performance and Style Product...
    MSRP: $219.99
    $170.09
  • AT3 AR15 15 PINK Spear Handguard M-LOK

    AT3 AR-15 15" Pink Spear Handguard M-LOK

    MSRP: $199.99
    $152.99
    AT3 AR15 15" PINK Spear Handguard M-LOK--FREE SHIPPING!       The AT3 SPEAR™ is our best, most secure handguard. Simple to install, lightweight, and easy on the wallet. The slim free-float design enhances accuracy while minimizing...
    MSRP: $199.99
    $152.99
  • KMX M-LOK 15 Handguard Rail With Locking Tabs

    KMX M-LOK 15" Full Rail Black Anodized Handguard Rail

    MSRP: $134.99
    $62.09
    KMX M-LOK 15" Full Rail Black Anodized Lightweight Handguard Rail       Engineered for shooters who demand precision, durability, and modern modularity. Built in the USA from high-quality materials and packed with...
    MSRP: $134.99
    $62.09
  • Odin Works 17.5 02 Lite M-Lok Forend Handguard

    Odin Works Black 02 Lite M-Lok Forend Handguards

    $206.99
    Odin Works AR15 17.5" 02 Lite M-Lok Forend Handguard-Free shipping!     Choose from 5 sizes--17.5", 15.5", 12.5", 9.5", 7.5" The O2 Lite is the latest and lightest of all the ODIN Works Forends. Precision machined from 6005-T651, the O2 Lite is...
    $206.99
  • Guntec AR-15 5.56 Compression Series Micro Pistol Kit-No Lower-A1Armory

    Guntec AR-15 5.56 Series Micro Pistol Kit-No Lower

    $701.99
    Guntec AR-15 5.56  Micro Pistol Kit-No Lower- FREE SHIPPING!     This Guntec AR15 Complete Micro Pistol Kit comes with everything you need for your pistol build besides the lower. Mill your own 80% or have one ready to build, this is a...
    $701.99
  • Odin Works 12.4 RUNE Forend Handguard

    Odin Works 12.4" RUNE Forend Handguard

    $107.10
    Odin Works 12.4" RUNE Forend Handguard Features: Caliber: AR-15 Length: 12.4” Dimensions Inside: 1.47” x 1.63” Dimensions Outside: 1.65” x 1.81” Weight: 5.45 oz Total Weight: 8.7 oz Material: 6061-T6 Aluminum System:...
    $107.10
  • Timney Trigger AR-15 Competition Skeletonized - 3lb Single Stage - Mil-Spec .154

    Timney Trigger AR-15 Competition Skeletonized - 3lb Single Stage

    $265.49
    Timney Trigger AR-15 Competition Skeletonized - 3lb Single Stage- Mil-Spec .154"           FREE SHIPPING! If you are going to build an AR-15 from the ground up, why settle on a heavy, gritty, Mil-Spec trigger? The...
    $265.49
  • Timney Triggers AR-15 Straight Bow Targa Two Stage Trigger-A1Armory

    Timney Triggers AR-15 Straight Bow Targa Two Stage Trigger

    $239.39
    Timney Triggers AR-15 Straight Bow Targa Two Stage Trigger        FREE SHIPPING! The Timney Triggers Targa Two Stage comes in multiple varieties, so you can pick the perfect one for your AR-15 build. This model features a long 2...
    $239.39
  • Timney Triggers Targa Two Stage AR-15 Trigger Long 1st Stage Curved Bow-A1Armory

    Timney Triggers AR-15 Curved Bow Targa Two Stage Trigger

    $239.39
    Timney Triggers AR-15 Curved Bow Targa Two Stage Trigger        FREE SHIPPING! The Timney Triggers Targa Two Stage comes in multiple varieties, so you can pick the perfect one for your AR-15 build. This model features a long 2...
    $239.39
  • CMC Triggers AR-15 / AR-10 Drop-In Single Stage Trigger - Flat - 3.5lbs-A1Armory.com

    CMC Triggers AR-15 3.5lbs Flat Drop-In Single Stage Trigger

    $202.49
    CMC Triggers AR-15 / AR-10 Drop-In Single Stage Trigger - Flat - 3.5lbs                  FREE SHIPPING! The CMC Single Stage trigger features a non-adjustable flat trigger bow with a 3.5lb pull that...
    $202.49
  • On Sale
    CMC Triggers AR-15  AR-10 Drop-In Single Stage Trigger

    CMC Triggers AR-15 3.5lbs Curved Drop-In Single Stage Trigger

    Now: $164.25
    Was: $197.50
    CMC Triggers AR-15 / AR-10 Drop-In Single Stage Trigger - Curved - 3.5lbs FREE SHIPPING! The CMC Single Stage trigger features a non-adjustable curved trigger bow with a 3.5lb pull that breaks like glass. It has almost no take-up and extremely...
    Now: $164.25
    Was: $197.50
  • On Sale
    Geissele Automatics Super Semi-Automatic Enhanced Trigger-A1Armory

    Geissele Automatics Super Semi-Automatic Enhanced 2 Stage Trigger

    Now: $211.49
    Was: $240.00
    Geissele Automatics Super Semi-Automatic Enhanced SSA-E Two Stage AR-15 Trigger .154" FREE SHIPPING! The Geissele SSA-E trigger installs in your lower receiver in the same way that a Mil-Spec trigger is installed. It uses a standard .154”...
    Now: $211.49
    Was: $240.00
  • On Sale
    AR-15 Cobra Stock MK2 Ambi Mil Spec Lower Parts Build Kit-A1Armory

    AR-15 Cobra Stock MK2 Ambi Mil Spec Lower Parts Build Kit

    Now: $125.99
    Was: $159.99
    AR-15 Lower Build Kit Cobra MK2 Stock       ✅ Choose Standard or Ambi Configuration✅ FREE SHIPPING Upgrade your AR-15 build with this premium Lower Build Kit featuring the Cobra MK2 6-Position Stock. Designed for reliability, fit, and...
    Now: $125.99
    Was: $159.99

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.