AR-15 Build Kits
Choose from a wide variety of calibers, barrel lengths, and handguard styles to create your perfect build kit that fits your shooting style — tactical, hunting, competitive, or recreational. With top-tier parts, unbeatable pricing, and no FFL required, building your own AR-15 pistol or rifle has never been easier or more rewarding. American made parts and amazing prices. We also offer AR15 build kits in every color like Robins Egg Blue, OD Green, Zombie Green & many more!
Your rifle. Your rules. Build it your way. All kits come with a warranty
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A1Armory Blue 10.5" .300 Blackout Pistol Upper w BCG
$387.95A1Armory 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...$387.95 -
AR-15 Bronze 10.5" Complete Pistol Upper w BCG
$387.95AR-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...$387.95 -
A1Armory OD Green 10.5" .300 Blackout Pistol Upper w BCG
$349.99A1Armory 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...$349.99 -
AR-15 Red 10.5" Pistol Upper w BCG
$389.95A1Armory Red 10.5" Pistol Upper w Nitride Bolt Carrier Group- FREE SHIPPING Choose your Caliber A1Armory Red 10.5" Pistol Upper w Nitride Bolt Carrier Group – a meticulously crafted and fully assembled AR-15 upper that brings together...$389.95 -
AR-15 Silver 10.5" Complete Pistol Upper w BCG
$389.95AR-15 Silver 10.5" Pistol Upper w Nitride Bolt Carrier Group- FREE SHIPPING Upgrade your AR-15 pistol build with the A1Armory 5.56 NATO Silver 10.5" Complete Pistol Upper, a premium, fully assembled upper receiver...$389.95 -
On Sale
Guntec AR15 FDE Honeycomb Series Furniture Set
Now: $318.95Was: $349.95Guntec AR15 Honeycomb Series Flat Dark Earth Furniture Set- FREE SHIPPING Handguard: Us Made Cerakote In Flat Dark Earth Finish 5 M-LOK Slots On 3 Sides Of Front End Of Handguard Tight Fit Up Against Receiver,...Now: $318.95Was: $349.95 -
Guntec AR-15 9mm Upper Pistol Kit with Mini Socom
$579.99Guntec AR-15 9mm Upper Pistol Kit with Mini Socom -FREE SHIPPING! -NOT ASSEMBLED- Guntec AR-15 9mm Upper Pistol Kit with Mini Socom – a high-quality, all-American-made firearm upgrade designed for...$579.99 -
Timber Creek AR-15 Tungsten Ambidextrous Kit
MSRP: $149.99$124.99Timber Creek AR-15 Tungsten Ambidextrous Kit- FREE SHIPPING! Upgrade your AR-15 with the Timber Creek Tungsten Ambidextrous Kit – a premium, precision-machined combo engineered for both performance and aesthetics. Designed to...MSRP: $149.99$124.99 -
Timber Creek AR-15 Robins Egg Blue Ambidextrous Kit
MSRP: $149.99$124.99Timber Creek AR-15 Robins Egg Blue Ambidextrous Kit- FREE SHIPPING! Upgrade your AR-15 with a blend of vibrant style and superior functionality. The Timber Creek Outdoors AR-15 Robins Egg Blue Ambidextrous Kit is engineered...MSRP: $149.99$124.99 -
Timber Creek AR-15 Red Ambidextrous Kit
MSRP: $149.99$124.99Timber Creek AR-15 Red Ambidextrous Kit- FREE SHIPPING! Function Meets Style – Precision-Engineered, Ambidextrous, and Boldly Red Upgrade your AR-15 with the Timber Creek RED Ambidextrous Kit—a high-performance package...MSRP: $149.99$124.99 -
Timber Creek AR-15 Purple Ambidextrous Kit
MSRP: $149.99$124.99Timber Creek AR-15 Purple Ambidextrous Kit- FREE SHIPPING! Upgrade your AR-15 with a bold combination of functionality, durability, and standout style. The Timber Creek Outdoors Purple Ambidextrous Kit is designed for...MSRP: $149.99$124.99 -
Timber Creek AR-15 Orange Ambidextrous Kit
MSRP: $149.99$124.99Timber Creek AR-15 Orange Ambidextrous Kit- FREE SHIPPING! Bring precision, performance, and personality to your rifle with the Timber Creek AR-15 Orange Ambidextrous Kit — a complete, high-quality...MSRP: $149.99$124.99 -
Timber Creek AR-15 OD Green Ambidextrous Kit
MSRP: $149.99$124.99Timber Creek AR-15 OD Green Ambidextrous Kit- FREE SHIPPING! Upgrade Your AR-15 with Precision, Style, and Ambidextrous Control Enhance your rifle with the Timber Creek AR-15 ODG Ambidextrous Kit, a premium upgrade engineered for...MSRP: $149.99$124.99 -
Timber Creek AR-15 Flat Dark Earth Ambidextrous Kit
MSRP: $149.99$124.99Timber Creek AR-15 Flat Dark Earth (FDE) Ambidextrous Kit- FREE SHIPPING! Upgrade your AR-15 with the Timber Creek Outdoors Ambidextrous Kit in Flat Dark Earth (FDE) — a precision-machined, combat-ready enhancement designed to...MSRP: $149.99$124.99 -
Timber Creek AR-15 Burnt Bronze Ambidextrous Kit
MSRP: $149.99$124.99Timber Creek Outdoors AR-15 Burnt Bronze Ambidextrous Kit- FREE SHIPPING! Upgrade your rifle with precision performance and bold aesthetics. The Timber Creek AR-15 Burnt Bronze Ambidextrous Kit delivers unmatched function for both...MSRP: $149.99$124.99 -
Timber Creek AR-15 Blue Ambidextrous Kit
MSRP: $149.99$124.99Timber Creek Outdoors AR-15 Blue Ambidextrous Kit- FREE SHIPPING! Upgrade your AR-15 with style and functionality using the Timber Creek Outdoors AR-15 Blue Ambidextrous Kit. Precision-engineered and anodized in a bold blue finish,...MSRP: $149.99$124.99 -
Timber Creek AR-15 Tungsten Upper Parts Kit
MSRP: $179.99$148.99Timber Creek Outdoors AR-15 Tungsten Upper Parts Kit- FREE SHIPPING Upgrade your AR-15 with the Timber Creek Outdoors Upper Parts Kit in a sleek Tungsten anodized finish. Combining precision machining, functional enhancements, and...MSRP: $179.99$148.99 -
Timber Creek Outdoors AR-15 Red Upper Parts Kit
MSRP: $179.99$148.99Timber Creek Outdoors AR-15 Red Upper Parts Kit- FREE SHIPPING Add performance and style to your AR build with the Timber Creek Outdoors AR-15 Red Upper Parts Kit. Featuring a bold red anodized finish and crafted...MSRP: $179.99$148.99 -
Timber Creek Outdoors AR-15 Purple Upper Parts Kit
MSRP: $179.99$124.99Timber Creek Outdoors AR-15 Purple Upper Parts Kit- FREE SHIPPING Add performance and style to your AR build with the Timber Creek Outdoors AR-15 Purple Upper Parts Kit. Featuring a bold Purple anodized...MSRP: $179.99$124.99 -
Timber Creek Outdoors AR-15 Orange Upper Parts Kit
MSRP: $179.99$124.99Timber Creek Outdoors AR-15 Orange Upper Parts Kit- FREE SHIPPING Add performance and style to your AR build with the Timber Creek Outdoors AR-15 Orange Upper Parts Kit. Featuring a bold orange anodized finish...MSRP: $179.99$124.99 -
Timber Creek Outdoors AR-15 ODG Upper Parts Kit
MSRP: $179.99$124.99Timber Creek Outdoors AR-15 ODG Upper Parts Kit- FREE SHIPPING Elevate your MSR (Modern Sporting Rifle) with the Timber Creek Outdoors AR-15 Upper Parts Kit in ODG (Olive Drab Green). This premium upgrade kit delivers...MSRP: $179.99$124.99 -
Timber Creek Outdoors AR-15 Flat Dark Earth Upper Parts Kit
MSRP: $179.99$124.99Timber Creek Outdoors AR-15 Flat Dark Earth (FDE) Upper Parts Kit- FREE SHIPPING Elevate your MSR (Modern Sporting Rifle) with the Timber Creek Outdoors AR-15 Upper Parts Kit in Flat Dark Earth (FDE). This...MSRP: $179.99$124.99 -
Timber Creek Outdoors AR-15 Burnt Bronze Upper Parts Kit
MSRP: $179.99$124.99Timber Creek Outdoors AR-15 Burnt Bronze Upper Parts Kit- FREE SHIPPING Elevate your MSR (Modern Sporting Rifle) with the Timber Creek Outdoors AR-15 Upper Parts Kit in Burnt Bronze. This premium upgrade kit delivers...MSRP: $179.99$124.99 -
Timber Creek Outdoors AR-15 Blue Upper Parts Kit
MSRP: $179.99$124.99Timber Creek Outdoors AR-15 Blue Upper Parts Kit- FREE SHIPPING Elevate your MSR (Modern Sporting Rifle) with the Timber Creek Outdoors AR-15 Upper Parts Kit in Blue. This premium upgrade kit delivers military-grade...MSRP: $179.99$124.99 -
AR15 5.56 NATO 7.5" Stainless Pistol Length Complete Upper
$297.99AR-15 5.56 NATO 7.5" Stainless Pistol Length Complete Upper-FREE SHIPPING AR-15 5.56 NATO 7.5" Stainless Pistol Length Complete Upper – a high-performance firearm component meticulously crafted for enthusiasts who demand...$297.99 -
XTS-58 AR Stock Complete Lower Parts Kit
MSRP: $139.99$88.99XTS 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$88.99 -
AR15 .300 Blackout 10.5"Pistol Length Rear Charging Upper
$279.99AR15 .300 Blackout 10.5"Pistol Length Rear Charging Upper-FREE SHIPPING AR-15 .300 Blackout 10.5" Pistol Length Rear Charging Upper – a powerful and versatile addition to your firearm collection. This complete upper assembly...$279.99 -
AR15 .300 Blackout 8.5"Pistol Length Side Charging Upper
$268.99AR15 .300 Blackout 8.5"Pistol Length Side Charging Upper-FREE SHIPPING AR-15 .300 Blackout 8.5" Pistol Length Side Charging Upper - the epitome of precision and performance for your AR-15 platform. This complete upper...$268.99 -
AR15 5.56 NATO 16" FDE Carbine Length Upper Assembly
$377.99AR15 5.56 NATO 16" FDE Carbine Length Upper Assembly- FREE SHIPPING Includes: AR-15 Complete Upper Receiver Assembly w/Forward Assist & Dust Cover 5.56 NATO 16" Barrel Assembly with Barrel Nut, End Cap and 0.675" Flat Top...$377.99 -
AR-15 .223 Wylde 10.5" Complete Pistol Upper
MSRP: $389.99$322.99AR-15 .223 Wylde 10.5" Pistol Upper-FREE SHIPPING AR-15 .223 Wylde 10.5" Complete Pistol Upper – a precision-engineered and feature-packed upgrade for your AR-15 platform. This top-of-the-line upper assembly is designed...MSRP: $389.99$322.99 -
AR15 .223 Wylde 7.5" Parkerized M4 Complete Pistol Rear Charging Upper
MSRP: $339.99$289.99AR-15 .223 Wylde 7.5" Parkerized M4 Complete Pistol Upper- FREE SHIPPING FREE SHIPPING INCLUDED Engineered for compact firepower and built with durability in mind, this AR-15 .223 Wylde 7.5" Complete...MSRP: $339.99$289.99 -
.300 Blackout 10.5" Parkerized Pistol Length Side Charging Upper
MSRP: $329.99$289.99.300 Blackout 10.5" Parkerized Pistol Length Side Charging Upper-FREE SHIPPING Upgrade your AR-15 with the robust and reliable 300 Blackout 10.5" Parkerized Pistol Length Side Charging Upper. This upper is meticulously crafted in the USA,...MSRP: $329.99$289.99 -
AR-10/LR-308 18" Stainless Straight Fluted Barrel Rifle Kit
$782.95AR-10/LR-308 18" Stainless Straight Fluted Barrel Rifle Kit- FREE SHIPPING Title: AR-10/LR-308 18" Stainless Straight Fluted Barrel Rifle Kit - DPMS Compatible Description: Fully Customizable Display: This...$782.95 -
On Sale
Guntec AR15 Black Honeycomb series Furniture Set
Now: $269.99Was: $309.95Guntec AR15 Honeycomb Series Black Anodized Furniture Set- FREE SHIPPING Handguard: Us Made Proprietary Barrel Nut Included Triangle / Diamond Cuts Throughout Handguard To Reduce...Now: $269.99Was: $309.95 -
AR15 5.56 Nato 7.5" M4 Stainless Pistol Length Rear Charging Upper
MSRP: $349.99$288.99AR15 5.56 Nato 7.5" M4 Pistol Length Rear Charging Complete Upper-FREE SHIPPING AR-15 5.56 NATO 7.5" M4 Pistol Length Rear Charging Complete Upper, the ultimate solution for those seeking compact yet powerful performance. Crafted...MSRP: $349.99$288.99 -
AR15 7.62x39 7.5" Length Complete Pistol Upper
MSRP: $419.99$269.99AR15 7.62x39 7.5" Pistol Length Complete Upper- FREE SHIPPING AR-15 Complete 7.62x39 Pistol Length Upper, a compact powerhouse designed for precision and reliability. Here's what sets it apart: Barrel: Boasting a 7.5" heavy barrel...MSRP: $419.99$269.99 -
Timber Creek Outdoors AR-15 Burnt Bronze Lower Parts Kit
MSRP: $99.99$89.99Timber Creek Outdoors AR-15 Burnt Bronze Lower Parts Kit Add a bold, tactical edge to your next AR build with the Timber Creek Outdoors Burnt Bronze Anodized Lower Parts Kit. Crafted from aircraft-grade billet aluminum and...MSRP: $99.99$89.99 -
Timber Creek Outdoors AR-15 Blue Lower Parts Kit
MSRP: $99.99$89.99Timber Creek Outdoors AR-15 Blue Lower Parts Kit Bring your AR-15 build to life with the Timber Creek Blue Anodized Lower Parts Kit—a perfect blend of precision engineering, bold aesthetics, and rugged durability. Made from aircraft-grade...MSRP: $99.99$89.99 -
AR15 .350 Legend 16" Carbine Complete Upper
MSRP: $349.99$319.99AR-15 .350 Legend 16" Carbine Complete Upper Assembly-FREE SHIPPING Built for performance, precision, and power, this AR-15 .350 Legend Complete Upper is perfect for hunters, range shooters, and tactical enthusiasts. Featuring a 16"...MSRP: $349.99$319.99 -
AR-15 7.62x39 7.5" Side Charging Standard Complete Pistol Build Kit
$334.99AR-15 7.62X39 7.5" Side Charging Complete Standard Build Kit -FREE SHIPPING This AR-15 complete 7.62x39 pistol length upper has a 7.5" heavy barrel with a parkerized finish, and features a 1:10 twist rate, with a pistol length gas...$334.99
The Best American-Made AR-15 Build Kits
Our American-made build kits are crafted by gun enthusiasts, for gun enthusiasts, so you know you’re ordering the very best. Enjoy our shipping insurance, and military, firefighter, first responder, and wholesale discounts at checkout. Order your build kit today and experience A1Armory's commitment to quality.
Why Our AR-15 Build Kits Are For You!
Build your dream AR-15 with premium AR-15 build kits from A1Armory – your trusted, family-owned source for firearm parts. Our kits feature high-quality components, Mil-Spec reliability, and a variety of colors and finishes to match your style. With free shipping, unbeatable prices, and American-made parts, A1Armory is the #1 choice for shooters who demand performance, value, and trust.
Why Customers Choose A1Armory
At A1Armory.com, we’re more than just another firearms parts dealer. As a small, family-owned American business, we take pride in offering:
Top-Quality Parts – Mil-Spec AR-15 build kits designed for durability and performance.
Wide Selection – From standard black finishes to custom Cerakote and anodized colors.
Patriotic Values – A U.S.-based company built on trust, integrity, and service.
Affordable Prices – Competitive pricing without sacrificing quality.
Free Shipping & Great Service – Delivering value and reliability to every order.
When shooters want to build, customize, and personalize their AR-15, A1Armory is the go-to source for parts that perform and a company they can trust.