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.
-
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 Omega Lower Parts Build Kit-FREE SHIPPING AR-15 Omega Stock Lower Build Kit Upgrade your AR-15 with the Omega Stock Lower Build Kit, designed for both reliability and performance. Perfect for builders and enthusiasts...$139.99 -
On Sale
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 -
AR-15 16" .450 Bushmaster Side Charging Complete Upper Assembly
$324.9916" .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...$324.99 -
16" .223 Wylde Stainless M4 Carbine Side Charging Upper
$288.9916" .223 Wylde Stainless M4 Barrel Carbine Side Charging Upper- FREE SHIPPING! Experience the power and precision of the 16" .223 Wylde Stainless M4 Barrel Carbine Side Charging Upper. This complete upper assembly is engineered for...$288.99 -
On Sale
16" .223 Wylde Carbine Side Charging Upper Assembly
Now: $269.99Was: $324.9916" .223 Wylde Carbine Side Charging Upper Assembly- FREE SHIPPING Introducing our 16" .223 Wylde Carbine Side Charging Complete Upper Assembly, meticulously crafted to deliver superior performance and reliability...Now: $269.99Was: $324.99 -
5.56 NATO 16" Stainless M4 Carbine Side Charging Upper
$319.995.56 NATO 16" Stainless M4 Barrel Carbine Side Charging Upper- FREE SHIPPING Introducing the 5.56 NATO 16" Stainless M4 Barrel Carbine Side Charging Upper, a precision-crafted upper receiver designed for enhanced performance and...$319.99