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
-
On Sale
AR-15 5.56 NATO 16" Complete Upper
Now: $450.79Was: $544.95AR15 Complete Standard Upper Receiver—5.56 - 16" Barrel, 15" MLOK Handguard-FREE SHIPPINGNow: $450.79Was: $544.95 -
Guntec AR-15 FDE Ultimate Rifle Kit
MSRP: $718.99$616.39Guntec AR-15 Flat Dark Earth (FDE) Ultimate Rifle Kit- FREE SHIPPING!MSRP: $718.99$616.39 -
Guntec AR-15 Gold Anodized Ultimate Rifle Kit
MSRP: $699.99$593.39Guntec AR-15 Gold Anodized Ultimate Rifle Kit- FREE SHIPPING!MSRP: $699.99$593.39 -
AR-15 16" .223 Wylde Stainless Straight Fluted Side Charging Upper
$302.67AR-15 16" .223 Wylde Stainless Straight Fluted Side Charging Upper- FREE SHIPPING!$302.67 -
16" .300 Blackout Stainless Black Nitride Bear Claw Complete Upper
$294.3916" .300 Blackout Stainless Black Nitride Bear Claw Fluted Upper-FREE SHIPPING$294.39 -
AR-15 16" .223 Wylde Carbine Side Charging Upper Assembly
$265.87AR-15 16" .223 Wylde Carbine Side Charging Complete Upper Assembly- FREE SHIPPING$265.87 -
AR-15 5.56 NATO 16" Stainless M4 Carbine Side Charging Upper
$285.19AR-15 5.56 NATO 16" Stainless Carbine Side Charging Complete Upper-$285.19 -
On Sale
Guntec AR15 5.56 Black Complete Ultralight Series Pistol Kit
Now: $597.99Was: $799.00Guntec AR-15 5.56 Complete Ultralight Series Pistol Kit- FREE SHIPPING!Now: $597.99Was: $799.00 -
On Sale
Guntec AR15 5.56 Red Complete Ultralight Series Pistol Kit
Now: $634.79Was: $849.00Guntec AR-15 5.56 Complete Ultralight Series Pistol Kit- No Lower- Anodized Red- FREE SHIPPING!Now: $634.79Was: $849.00 -
On Sale
Guntec AR15 5.56 FDE Complete Rifle Kit #4
Now: $754.39Was: $929.00Guntec AR-15 5.56 Complete Rifle Kit #4- No Lower- Flat Dark Earth- FREE SHIPPING! &Now: $754.39Was: $929.00 -
On Sale
Guntec AR-15 5.56 Complete Rifle Kit #5
Now: $717.59Was: $849.00Guntec AR-15 5.56 Complete Rifle Kit #5- No Lower- FREE SHIPPING!Now: $717.59Was: $849.00 -
On Sale
Guntec AR15 5.56 FDE Complete Rifle Kit #2
Now: $712.99Was: $829.00Guntec AR-15 5.56 Complete Rifle Kit #2- No Lower- FREE SHIPPING!Now: $712.99Was: $829.00 -
On Sale
Guntec AR-15 5.56 Complete Rifle Kit #3
Now: $717.59Was: $849.00Guntec AR-15 5.56 Complete Rifle Kit #3- No Lower- FREE SHIPPING!Now: $717.59Was: $849.00 -
On Sale
Guntec AR15 5.56 FDE Complete Airlite Series Rifle Kit
Now: $873.99Was: $1,099.00Guntec AR-15 5.56 FDE Complete Airlite Series Rifle Kit-FREE SHIPPING!Now: $873.99Was: $1,099.00 -
On Sale
Guntec AR-15 5.56 Complete Airlite Series Rifle Kit- No Lower
Now: $818.75Was: $999.00Guntec AR-15 5.56 Complete Airlite Series Rifle Kit- No Lower- FREE SHIPPING!Now: $818.75Was: $999.00 -
Guntec AR-15 Anodized Clear Ultimate Rifle Kit
MSRP: $699.99$593.39AR-15 Ultimate Rifle Kit -Anodized Clear- FREE SHIPPING!MSRP: $699.99$593.39 -
On Sale
Timber Creek Outdoors Flat Dark Earth (FDE) Enforcer Build Kit
MSRP: $749.99Now: $574.99Was: $749.99Timber Creek Outdoors Flat Dark Earth (FDE) Enforcer Build Kit- FREE SHIPPINGMSRP: $749.99Now: $574.99Was: $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.