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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Guntec AR-15 Grey Anodized Ultimate Rifle Kit
MSRP: $699.99$562.49Guntec AR-15 Grey Anodized Ultimate Rifle Kit-FREE SHIPPING! Guntec AR-15 Grey Anodized Ultimate Rifle Kit, a comprehensive package that combines premium...MSRP: $699.99$562.49 -
Guntec AR-15 Gold Anodized Ultimate Rifle Kit
MSRP: $699.99$580.49Guntec AR-15 Gold Anodized Ultimate Rifle Kit- FREE SHIPPING! Guntec AR-15 Gold Anodized Ultimate Rifle Kit, a comprehensive package that brings together top-notch components to elevate your AR-15 platform. This kit has...MSRP: $699.99$580.49 -
AR-15 16" .223 Wylde Stainless Straight Fluted Side Charging Upper
$296.09AR-15 16" .223 Wylde Stainless Straight Fluted Side Charging Upper- FREE SHIPPING! Upgrade your AR-15 platform with precision, performance, and convenience. The AR-15 16" .223 Wylde Stainless Steel Side Charging Upper is engineered for...$296.09 -
16" .300 Blackout Stainless Black Nitride Bear Claw Complete Upper
$287.9916" .300 Blackout Stainless Black Nitride Bear Claw Fluted Upper-FREE SHIPPING FREE SHIPPING Unleash precision, power, and rugged performance with this 16" .300 Blackout Complete Upper Assembly. Designed for versatility...$287.99 -
AR-15 16" .223 Wylde Carbine Side Charging Upper Assembly
$260.09AR-15 16" .223 Wylde Carbine Side Charging Complete Upper Assembly- FREE SHIPPING ✅ FREE SHIPPING-BCG & HANDLE INCLUDED Upgrade your rifle with the precision and reliability of our 16" .223 Wylde...$260.09 -
AR-15 5.56 NATO 16" Stainless M4 Carbine Side Charging Upper
$278.99AR-15 5.56 NATO 16" Stainless Carbine Side Charging Complete Upper- FREE SHIPPING ✅ FREE SHIPPING Upgrade your AR build with this precision-engineered 16" Stainless Steel Side Charging Complete Upper. Designed for shooters who...$278.99 -
On Sale
Guntec AR15 5.56 Black Complete Ultralight Series Pistol Kit
Now: $584.99Was: $799.00Guntec AR-15 5.56 Complete Ultralight Series Pistol Kit- FREE SHIPPING! All US...Now: $584.99Was: $799.00 -
On Sale
Guntec AR15 5.56 Red Complete Ultralight Series Pistol Kit
Now: $620.99Was: $849.00Guntec AR-15 5.56 Complete Ultralight Series Pistol Kit- No Lower- Anodized Red- FREE SHIPPING! All US Made Kit Does Not Come Assembled 5.56 Complete BCG Forward Assist Asssembly Ultralight Series...Now: $620.99Was: $849.00 -
On Sale
Guntec AR15 5.56 FDE Complete Rifle Kit #4
Now: $737.99Was: $929.00Guntec AR-15 5.56 Complete Rifle Kit #4- No Lower- Flat Dark Earth- FREE SHIPPING! All US Made Complete Rifle Kit Contains: 5.56 Ejection Door...Now: $737.99Was: $929.00 -
On Sale
Guntec AR-15 5.56 Complete Rifle Kit #5
Now: $701.99Was: $849.00Guntec AR-15 5.56 Complete Rifle Kit #5- No Lower- FREE SHIPPING! All US Made Complete Rifle Kit Contains: 5.56 Ejection Door Assembly 5.56 Complete Lower Parts Kit AR-15 MLS Gen 2 Stock Assembly...Now: $701.99Was: $849.00 -
On Sale
Guntec AR15 5.56 FDE Complete Rifle Kit #2
Now: $697.49Was: $829.00Guntec AR-15 5.56 Complete Rifle Kit #2- No Lower- FREE SHIPPING! All US Made Complete Rifle Kit Contains: 5.56 Ejection Door Assembly 5.56 Complete Lower...Now: $697.49Was: $829.00 -
On Sale
Guntec AR-15 5.56 Complete Rifle Kit #3
Now: $701.99Was: $849.00Guntec AR-15 5.56 Complete Rifle Kit #3- No Lower- FREE SHIPPING! All US Made Complete Rifle Kit Contains: 5.56 Ejection Door Assembly 5.56 Complete Lower Parts Kit AR-15 MLS Gen 2 Stock Assembly...Now: $701.99Was: $849.00 -
On Sale
Guntec AR15 5.56 FDE Complete Airlite Series Rifle Kit
Now: $854.99Was: $1,099.00Guntec AR-15 5.56 FDE Complete Airlite Series Rifle Kit-FREE SHIPPING! Guntec AR-15 5.56 FDE Complete Airlite Series Rifle Kit, a pinnacle of American-made...Now: $854.99Was: $1,099.00 -
On Sale
Guntec AR-15 5.56 Complete Airlite Series Rifle Kit- No Lower
Now: $800.96Was: $999.00Guntec AR-15 5.56 Complete Airlite Series Rifle Kit- No Lower- FREE SHIPPING! All US Made Complete Airlite Series Rifle Kit Contains: 5.56 Ejection Door Assembly 5.56 Complete Lower Parts Kit AR-15 Airlite Series...Now: $800.96Was: $999.00 -
Guntec AR-15 Anodized Clear Ultimate Rifle Kit
MSRP: $699.99$580.49AR-15 Ultimate Rifle Kit -Anodized Clear- FREE SHIPPING! AR-15 Ultimate Rifle Kit - Anodized Clear, a meticulously curated collection of premium components designed to elevate your AR-15 build to new heights. Crafted with...MSRP: $699.99$580.49 -
On Sale
Timber Creek Outdoors Flat Dark Earth (FDE) Enforcer Build Kit
MSRP: $749.99Now: $562.49Was: $749.99Timber Creek Outdoors Flat Dark Earth (FDE) Enforcer Build Kit- FREE SHIPPING ✅ FREE SHIPPING – BUILT FOR CUSTOMIZATION AND DURABILITY Transform your AR-15 build with the Timber Creek Outdoors Enforcer Build Kit in Flat Dark Earth...MSRP: $749.99Now: $562.49Was: $749.99
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.