AR-15 Build Kits
At A1Armory.com, our AR-15 Firearm Build Kits category offers enthusiasts and professionals alike a comprehensive array of components to construct their ideal AR-15 rifle. From seasoned marksmen to first-time builders, our kits cater to all skill levels and preferences, ensuring a seamless and satisfying assembly process. 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.
Our selection encompasses a diverse range of options, including various calibers, barrel lengths, and finishes, allowing customers to tailor their build to their specific needs and preferences. Whether you're looking to build a precision rifle for long-range shooting, a compact carbine for close-quarters engagements, or anything in between, our AR-15 Firearm Build Kits category offers the versatility and quality craftsmanship needed to bring your vision to life. With an emphasis on performance, reliability, and affordability, A1Armory.com is your one-stop destination for all your AR-15 building needs.
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Odin Works 6.5 Grendel 16.1" Complete Upper
Now: $934.99Was: $999.00Odin Works 6.5 Grendel 16.1" Complete Upper-FREE SHIPPING Introducing the Odin Works 6.5 Grendel 16.1" Complete Upper, a pinnacle of precision engineering and performance. Crafted with meticulous attention to detail, this upper brings...Now: $934.99Was: $999.00 -
Odin Works 9mm 7.5" Stainless Barrel Complete Billet Upper
Now: $624.99Was: $649.99Odin Works 9mm Complete Pistol Upper- FREE SHIPPING The foundation of this all new complete 9mm upper from ODIN Works is a billet upper receiver bearing the ODIN name. On the upper is an ODIN dust cover and also new from ODIN is the XCH,...Now: $624.99Was: $649.99 -
7.62x39 16" Carbine Length Side Charging Complete Upper
Now: $267.99Was: $389.997.62X39 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,...Now: $267.99Was: $389.99 -
A1Armory Red Anodized 16.5″ 5.56 NATO Complete Upper w BCG
Now: $419.95Was: $448.95A1Armory Red Anodized 16.5″ 5.56 NATO Complete Upper w BCG-FREE SHIPPING Our complete AR15 Red 5.56 Nato upper comes FULLY ASSEMBLED with 12″ Rail with a 5.56 NATO barrel, capable of shooting both .223 and 5.56...Now: $419.95Was: $448.95 -
A1Armory AR-15 Purple 16.5" .300 Blackout Complete Upper
$389.97A1Armory AR-15 Purple 16.5" .300 Blackout Complete Upper- FREE SHIPPING Title: A1Armory AR-15 Purple 16.5" .300 Blackout Complete Upper - Unleash the Power of the Purple Beast! Unlock the full potential of your AR-15...$389.97 -
A1Armory OD Green Anodized 16.5″ 5.56 NATO Complete Upper w BCG
$422.99A1Armory OD Green Anodized 16.5″ 5.56 NATO Complete Upper w BCG-FREE SHIPPING Our complete AR15 5.56 OD Green upper comes FULLY ASSEMBLED with 12″ Rail with a 5.56 NATO barrel, capable of shooting both .223 and 5.56...$422.99 -
A1Armory Blue 16.5″ 5.56 NATO Complete Upper with BCG
Now: $409.95Was: $465.95A1Armory Blue 16.5″ 5.56 NATO Complete Upper with BCG-FREE SHIPPING Our complete AR15 5.56 NATO Blue upper comes FULLY ASSEMBLED with 12″ Rail with a 5.56 NATO barrel, capable of shooting both .223 and 5.56. This upper...Now: $409.95Was: $465.95 -
5.56 7.5" M4 Pistol Side Charging Complete Upper Assembly
Now: $237.99Was: $289.995.56 7.5" M4 Pistol Side Charging Complete Upper Assembly-FREE SHIPPING 5.56 7.5" M4 Pistol Side Charging Complete Upper Assembly, the epitome of compact power and versatility for your AR-15 platform. Crafted with precision engineering and...Now: $237.99Was: $289.99 -
.223 7.5" Pistol Side Charging Complete Upper Assembly
Now: $247.99Was: $309.99.223 Wylde 7.5" Parkerized M4 Barrel Pistol Side Charging Upper-FREE SHIPPING! .223 Wylde 7.5" Parkerized M4 Barrel Pistol Side Charging Upper, engineered to deliver unmatched precision and reliability in a compact package...Now: $247.99Was: $309.99 -
.300 Blackout 7.5" Pistol Side Charging Complete Assembly
Now: $239.99Was: $286.99.300 Blackout 7.5" Right Side Charging Upper - FREE SHIPPING! Title: "Stealth Recon: .300 Blackout 7.5" Right Side Charging Upper - Complete AR-15 Assembly" Product Description: Upgrade your AR-15 with our cutting-edge...Now: $239.99Was: $286.99 -
5.56 Nato 7.5" Stormtrooper White Pistol Length Rear Charging Upper
$389.995.56 Nato 7.5" Stormtrooper White Pistol Length Rear Charging Upper-FREE SHIPPING Title: "5.56 NATO 7.5" Stormtrooper White Pistol Length Rear Charging Upper - Unparalleled Performance in a Striking Design" Product...$389.99 -
Guntec AR-15 Grey Anodized Ultimate Pistol Kit
Now: $524.99Was: $599.95Guntec AR-15 Grey Anodized Ultimate Pistol Kit- FREE SHIPPING! Guntec AR-15 Grey Anodized Ultimate Pistol Kit – a comprehensive package that combines premium components and cutting-edge features to enhance the...Now: $524.99Was: $599.95 -
Guntec AR-15 Clear Anodized Ultimate Pistol Kit
Now: $524.99Was: $599.95Guntec AR-15 Clear Anodized Ultimate Pistol Kit-FREE SHIPPING! Guntec AR-15 Clear Anodized Ultimate Pistol Kit, a comprehensive package that combines cutting-edge features with precision engineering, elevating your AR-15...Now: $524.99Was: $599.95 -
Guntec AR-15 Green Anodized Ultimate Pistol Kit
Now: $524.99Was: $599.95Guntec AR-15 Green Anodized Ultimate Pistol Kit-FREE SHIPPING! Guntec AR-15 Green Anodized Ultimate Pistol Kit, a comprehensive package designed to elevate your AR-15 pistol to new heights of performance and style...Now: $524.99Was: $599.95 -
Guntec AR-15 Blue Anodized Ultimate Pistol Kit
Now: $524.99Was: $599.95Guntec AR-15 Blue Anodized Ultimate Pistol Kit-FREE SHIPPING! Guntec AR-15 Blue Anodized Ultimate Pistol Kit, a comprehensive package designed to elevate your AR-15 pistol build to the next level. With a stunning anodized...Now: $524.99Was: $599.95 -
Guntec AR-15 Red Anodized Ultimate Pistol Kit
Now: $524.99Was: $599.95Guntec AR-15 Red Anodized Ultimate Pistol Kit- FREE SHIPPING Guntec AR-15 Red Anodized Ultimate Pistol Kit, a comprehensive package designed to elevate your AR-15 pistol build to the next level. Crafted with...Now: $524.99Was: $599.95 -
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 -
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 -
7.62x39 7.5" Pistol Length Side Charging Complete Upper
Now: $257.99Was: $289.997.62x39 7.5" Parkerized Heavy Barrel Side Charging Upper-FREE SHIPPING Introducing our 7.62x39 7.5" Parkerized Heavy Barrel Side Charging Upper, meticulously crafted to deliver top-notch performance in a compact package. Here's what...Now: $257.99Was: $289.99 -
Guntec AR-15 9mm Complete Black Pistol Kit
Now: $649.99Was: $725.00Guntec AR-15 9mm Complete Black Pistol Kit- FREE SHIPPING! All US Made 9mm Upper Receiver US 7″ Mod Lite Series M-LOK Handguard With Barrel Nut & Hardware (GT-7MDLTE) 1/2 X 36 Slim Line Flash Cone...Now: $649.99Was: $725.00