AR-15 Build Kits
At A1Armory.com, our AR-15 Build Kits offers enthusiasts and professionals alike a comprehensive array of components to construct their ideal AR-15 rifle or pistol. Each kit is meticulously curated to include high-quality components such as upper and lower receivers, barrels, handguards, stocks, and all necessary small parts, providing everything needed to craft a reliable and personalized firearm.
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AR 7.62x39 16" Rifle Kit With 10" M-Lok Super Slim Light Handguard
$457.99AR 7.62x39 16" Rifle Kit With 10" M-Lok Super Slim Light Handguard- FREE SHIPPING AR 7.62x39 16" Rifle Kit with a 10" M-Lok Super Slim Light Handguard, designed to fulfill your AR15 rifle build aspirations with unmatched quality and...$457.99 -
7.62x39 16" Carbine Length Side Charging Complete Upper
$339.997.62X39 16" Carbine Length Side Charging Upper-FREE SHIPPING 7.62X39 16" Carbine Length Side Charging Upper, designed for precision and performance in your AR-15 platform. With a heavy barrel profile and a 1:10 twist,...$339.99 -
AR-10 20" 6.5 Creedmoor Nitride Rifle Length Complete Upper w BCG
$432.99AR-10 20" 6.5 Creedmoor Nitride Rifle Length Complete Upper w BCG- FREE SHIPPING The AR-10 20" 6.5 Creedmoor Nitride Rifle Length Complete Upper is engineered for precision and durability, making it a superior choice for long-range...$432.99 -
A1Armory Red Anodized 16″ 5.56 NATO Complete Upper w BCG
$389.95A1Armory Red Anodized 16″ 5.56 NATO Complete Upper w BCG-FREE SHIPPING Enhance your AR-15 with this stunning Red Anodized 16" 5.56 NATO Complete Upper, designed for superior performance and style. Precision-crafted in the USA,...$389.95 -
On Sale
A1Armory AR-15 Purple 16" .300 Blackout Complete Upper
Now: $389.95Was: $419.95AR-15 Purple 16" .300 Blackout Complete Upper-FREE SHIPPING Unlock the full potential of your AR-15 build with the A1Armory AR-15 Purple 16" .300 Blackout Complete Upper. This fully assembled upper boasts a striking...Now: $389.95Was: $419.95 -
On Sale
A1Armory OD Green Anodized 16.5″ 5.56 NATO Complete Upper w BCG
Now: $389.95Was: $419.95A1Armory OD Green Anodized 16″ 5.56 NATO Complete Upper w BCG-FREE SHIPPING This OD Green Anodized 16" 5.56 NATO Complete Upper is built for the discerning shooter looking for reliability, performance, and a bold aesthetic...Now: $389.95Was: $419.95 -
A1Armory Blue 16″ 5.56 NATO Complete Upper with BCG
$419.95AR-15 Blue 16″ 5.56 NATO Complete Upper with BCG-FREE SHIPPING The AR-15 Blue 16″ 5.56 NATO Complete Upper with BCG is a high-performance, USA-made upper receiver designed for serious shooters who demand both style and...$419.95 -
On Sale
Guntec 5.5" AR-15 5.56 Complete Pistol Upper
Now: $448.99Was: $549.00Guntec 5.5"AR-15 5.56 Compression Series Micro Pistol Upper -FREE SHIPPING! -NOT ASSEMBLED- Introducing the Guntec 5.5" AR-15 5.56 Compression Series Micro Pistol Upper, a meticulously crafted firearm component...Now: $448.99Was: $549.00 -
On Sale
Guntec AR-15 5.56 7.5" Complete Pistol Length Upper Kit
Now: $489.99Was: $549.00AR-15 5.56 7.5" Complete Pistol Length Upper Kit- FREE SHIPPING! This AR-15 Guntec Complete Upper Kit comes with an Ultra Lite MLOK Handguard, 5.56 Bolt Carrier Group, A2 Birdcage, Barrel, Charging Handle, Upper Receiver,.750 Gas Block/Gas Tube and this...Now: $489.99Was: $549.00 -
AR-15 .223 Wylde 16" M4 Stormtrooper White Complete Upper
$389.9916" .223 Wylde Storm Trooper White Complete Upper-FREE SHIPPING! Title: "AR-15 16" .223 Wylde Storm Trooper White Complete Upper - Heavy Barrel, Rear Charging, BCG Included" Description: Elevate your AR-15 with the 16" .223...$389.99 -
AR-15 5.56 NATO 16" Complete Billet Premium Upper Receiver
$539.99AR-15 5.56 NATO 16" Complete Billet Premium Upper Receiver-FREE SHIPPING The perfect upper for your lower, without all the tools required to build it. Our complete upper receivers are made from the highest quality USA produced...$539.99 -
On Sale
UAR AR-15 16" 223 Wylde Complete Upper Assembly 15" Rail
Now: $424.99Was: $499.9916″ 223 WYLDE COMPLETE UPPER ASSEMBLY, 15″ RAIL -FREE SHIPPING! Our complete upper receiver assemblies include everything you need to complete your lower receiver build. Simply slap on your lower and head out to the...Now: $424.99Was: $499.99 -
UAR AR-15 16" 223 Wylde Complete Upper Assembly 12" Rail
$419.9916″ 223 WYLDE 1/8 COMPLETE UPPER ASSEMBLY, 12″ RAIL- FREE SHIPPING Our complete upper receiver assemblies include everything you need to complete your lower receiver build. Simply slap on your lower and head out to the...$419.99 -
On Sale
AR15 5.56 10.5" Complete Premium Upper Receiver Assembly
Now: $515.95Was: $544.95AR15 Complete Premium Upper Receiver-5.56 w/10.5" Barrel, 9.85" MLOK Handguard FREE SHIPPING The perfect upper for your lower, without all the tools required to build it. Our complete upper receivers are made from the highest quality...Now: $515.95Was: $544.95 -
On Sale
AR-15 5.56 NATO 16" Complete Upper
Now: $489.99Was: $544.95AR15 Complete Standard Upper Receiver—5.56 - 16" Barrel, 15" MLOK Handguard-FREE SHIPPING The perfect complete upper for your lower receiver, without all the tools required to build it. Our complete upper receivers are made from the...Now: $489.99Was: $544.95 -
16" .300 Blackout Stainless Black Nitride Bear Claw Complete Upper
$339.9916" .300 Blackout Stainless Black Nitride Bear Claw Fluted Heavy Barrel-FREE SHIPPING Product Description: This 16-inch .300 Blackout stainless steel barrel is a high-performance component designed for the AR-15 platform. The...$339.99