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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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 -
Guntec AR-15 5.56 Series Micro Pistol Kit-No Lower
Now: $639.99Was: $799.99Guntec AR-15 5.56 Micro Pistol Kit-No Lower- FREE SHIPPING! This Guntec AR15 Complete Micro Pistol Kit comes with everything you need for your pistol build besides the lower. Mill your own 80% or have one ready to build, this is a...Now: $639.99Was: $799.99 -
AR-15 Alpha Stock Ambi Mil Spec Lower Parts Build Kit
$139.99A1Armory AR-15 Lower Build Kit - Alpha- Stock This AR15 Lower Parts Build Kit comes with a complete LPK and a Mil-Spec Alpha Stock Kit. This lower build kit comes with everything that you need to complete your 80 percent lower other than the lower itself...$139.99 -
AR-15 Cobra Stock MK2 Ambi Mil Spec Lower Parts Build Kit
Now: $139.99Was: $159.99A1Armory AR-15 Lower Build Kit - Cobra MK2- Stock This AR15 Lower Parts Build Kit comes with a complete LPK and a Mil-Spec Cobra MK2 Stock Kit. This lower build kit comes with everything that you need to complete your 80 percent lower other than...Now: $139.99Was: $159.99 -
AR-15 Alpha Stock MK2 Ambi Mil Spec Lower Parts Build Kit
$139.99Trinity Force Alpha MK2- Stock AR-15 Lower Build Kit - This AR15 Lower Parts Build Kit comes with a complete LPK and a Mil-Spec Alpha MK2 Stock Kit. This lower build kit comes with everything that you need to complete your 80 percent lower other...$139.99 -
AR-15 Omega Stock Ambi Mil Spec Lower Parts Build Kit
$139.99A1Armory AR-15 Lower Build Kit - OMEGA- Stock This AR15 Lower Parts Build Kit comes with a complete LPK and a Mil-Spec Omega Stock Kit. This lower build kit comes with everything that you need to complete your 80 percent lower other than the lower...$139.99 -
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" ...$389.99 -
AR-15 Lower Parts Build Kit Flat Dark Earth Magpul MOE Stock
Now: $139.99Was: $189.99Flat Dark Earth RTB Lower Parts Build Kit -MAGPUL MOE Minimalist Stock --FREE SHIPPING! This FDE AR Lower Parts Build Kit comes with our True Mil-Spec Trigger Assembly along with a Flat Dark Earth Magpul MOE Stock and is perfect for...Now: $139.99Was: $189.99 -
AR-15 Lower Parts Build Kit Flat Dark Earth Minimalist Stock
$189.99RTB Lower Parts Build Kit - Mission First Minimalist Stock - FLAT DARK EARTH FREE SHIPPING! This Right To Bear FDE AR Lower Parts Build Kit comes with our True Mil-Spec Trigger Assembly along with an Flat Dark...$189.99 -
Odin Works 16" 223 Wylde Complete Upper
Now: $813.95Was: $900.00Odin Works 223 Wylde Assembled Complete 16" Upper- FREE SHIPPING! Odin Works 223 Wylde Assembled Complete 16" Upper, meticulously crafted to elevate your shooting experience to unparalleled heights. Engineered with precision and...Now: $813.95Was: $900.00 -
AR-15 16" .450 Bushmaster Side Charging Complete Upper Assembly
Now: $289.99Was: $334.9916" .450 Bushmaster Side Charging Upper Assembly w 15" Handguard- FREE SHIPPING! Title: AR-15 16" .450 Bushmaster Side Charging Complete Upper Assembly Description: Upgrade your AR-15 platform with the...Now: $289.99Was: $334.99 -
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 -
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 -
5.56 16" AR-15 Premium Rifle Kit —No Receiver
$674.95AR15 5.56 16" Premium Rifle Kit-No Receiver -FREE SHIPPING Everything you need to build out a high quality AR15 carbine using whatever lower receiver you want. Built, test-fired, and quality checked in house, our AR15 rifle kits will...$674.95 -
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 -
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 -
AR-15 5.56 16" Rifle Build Kit with 15" MLOK Handguard
Now: $617.99Was: $674.99AR-15 5.56 NATO 16" Rifle Build Kit-FREE SHIPPING Everything you need to build out a high quality AR15 using whatever mil-spec lower receiver you want. Built, test-fired, and quality checked in house, our AR15 rifle kits will provide you a...Now: $617.99Was: $674.99 -
Guntec AR-15 Purple Anodized Ultimate Rifle Kit
Now: $609.99Was: $699.00Guntec AR-15 Purple Anodized Ultimate Rifle Kit- FREE SHIPPING! Guntec AR-15 Purple Anodized Ultimate Rifle Kit, a comprehensive and stylish package designed to enhance the performance and aesthetics of your AR-15. Crafted with...Now: $609.99Was: $699.00 -
Guntec AR-15 Green Anodized Ultimate Rifle Kit
Now: $624.99Was: $699.00Guntec AR-15 Green Anodized Ultimate Rifle Kit- FREE SHIPPING! Guntec AR-15 Green Anodized Ultimate Rifle Kit, a comprehensive package designed to elevate your AR-15 to the next level of performance and aesthetics...Now: $624.99Was: $699.00