Complete Build Kits
Welcome to A1Armory.com's AR15 Complete Build Kits, your one-stop destination for assembling your dream firearm from scratch. Our meticulously curated selection of complete build kits provides everything enthusiasts need to construct their ideal firearm, whether it's a pistol or rifle. From premium components to comprehensive packages, we cater to all skill levels, ensuring an effortless and rewarding building experience.
Each AR15 complete build kit at A1Armory.com is thoughtfully assembled to meet the highest standards of quality, reliability, and performance. Whether you're a seasoned gunsmith or a novice builder, our kits come with all the necessary parts, including receivers, barrels, handguards, stocks, triggers, and more, meticulously selected from top manufacturers in the industry.
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18" .450 Bushmaster Mid Length Complete Upper
$305.0918".450 Bushmaster Heavy Barrel Complete Upper -FREE SHIPPING Description: Upgrade your AR-15 with our top-of-the-line 18" .450 Bushmaster Mid-Length Complete Upper. Crafted with precision and designed for superior performance,...$305.09 -
.223 7.5" Pistol Side Charging Complete Upper Assembly
$278.99.223 Wylde 7.5" Parkerized M4 Barrel Pistol Side Charging Upper-FREE SHIPPING! Compact Power. Tactical Precision. Unbeatable Performance. FREE SHIPPING INCLUDED Engineered for serious shooters who demand the perfect balance of...$278.99 -
AR-15 16" .450 Bushmaster Side Charging Complete Upper Assembly
$292.49AR-15 16".450 Bushmaster Side Charging Upper Assembly- FREE SHIPPING! Take your AR-15 to the next level with the AR-15 16" .450 Bushmaster Side Charging Complete Upper Assembly, engineered for power,...$292.49 -
5.56 16" AR-15 Premium Rifle Kit —No Receiver
$566.96AR-15 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...$566.96 -
On Sale
Guntec AR15 5.56 Red Complete Ultralight Series Pistol Kit
Now: $620.99Was: $849.00Guntec AR-15 5.56 Complete Ultralight Series Pistol Kit- No Lower- Anodized Red- FREE SHIPPING! All US Made Kit Does Not Come Assembled 5.56 Complete BCG Forward Assist Asssembly Ultralight Series...Now: $620.99Was: $849.00 -
On Sale
Guntec AR15 5.56 FDE Complete Rifle Kit #4
Now: $737.99Was: $929.00Guntec AR-15 5.56 Complete Rifle Kit #4- No Lower- Flat Dark Earth- FREE SHIPPING! All US Made Complete Rifle Kit Contains: 5.56 Ejection Door...Now: $737.99Was: $929.00 -
On Sale
Guntec AR-15 5.56 Complete Rifle Kit #5
Now: $701.99Was: $849.00Guntec AR-15 5.56 Complete Rifle Kit #5- No Lower- FREE SHIPPING! All US Made Complete Rifle Kit Contains: 5.56 Ejection Door Assembly 5.56 Complete Lower Parts Kit AR-15 MLS Gen 2 Stock Assembly...Now: $701.99Was: $849.00 -
On Sale
Guntec AR15 5.56 FDE Complete Rifle Kit #2
Now: $697.49Was: $829.00Guntec AR-15 5.56 Complete Rifle Kit #2- No Lower- FREE SHIPPING! All US Made Complete Rifle Kit Contains: 5.56 Ejection Door Assembly 5.56 Complete Lower...Now: $697.49Was: $829.00 -
On Sale
Guntec AR-15 5.56 Complete Rifle Kit #3
Now: $701.99Was: $849.00Guntec AR-15 5.56 Complete Rifle Kit #3- No Lower- FREE SHIPPING! All US Made Complete Rifle Kit Contains: 5.56 Ejection Door Assembly 5.56 Complete Lower Parts Kit AR-15 MLS Gen 2 Stock Assembly...Now: $701.99Was: $849.00 -
On Sale
Guntec AR15 5.56 FDE Complete Airlite Series Rifle Kit
Now: $854.99Was: $1,099.00Guntec AR-15 5.56 FDE Complete Airlite Series Rifle Kit-FREE SHIPPING! Guntec AR-15 5.56 FDE Complete Airlite Series Rifle Kit, a pinnacle of American-made...Now: $854.99Was: $1,099.00 -
On Sale
Timber Creek Outdoors Flat Dark Earth (FDE) Enforcer Build Kit
MSRP: $749.99Now: $562.49Was: $749.99Timber Creek Outdoors Flat Dark Earth (FDE) Enforcer Build Kit- FREE SHIPPING ✅ FREE SHIPPING – BUILT FOR CUSTOMIZATION AND DURABILITY Transform your AR-15 build with the Timber Creek Outdoors Enforcer Build Kit in Flat Dark Earth...MSRP: $749.99Now: $562.49Was: $749.99
Best Priced AR-15 build kits from A1Armory
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.