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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Custom Timber Creek 15" Yellow Enforcer Build Kit
MSRP: $749.99$597.99Timber Creek Outdoors AR-15 Yellow Enforcer Build Kit-FREE SHIPPING! Introducing the Custom Timber Creek 15" Yellow Cerakote Enforcer Build Kit – a pinnacle of precision engineering and cutting-edge design for firearm...MSRP: $749.99$597.99 -
AR-10/LR-308 18" Stainless Straight Fluted Barrel Rifle Kit
$720.31AR-10/LR-308 18" Stainless Straight Fluted Barrel Rifle Kit- FREE SHIPPING Title: AR-10/LR-308 18" Stainless Straight Fluted Barrel Rifle Kit - DPMS Compatible Description: Fully Customizable Display: This...$720.31 -
AR-15 7.62x39 7.5" Side Charging Standard Complete Pistol Build Kit
$308.19AR-15 7.62X39 7.5" Side Charging Complete Standard Build Kit -FREE SHIPPING This AR-15 complete 7.62x39 pistol length upper has a 7.5" heavy barrel with a parkerized finish, and features a 1:10 twist rate, with a pistol length gas...$308.19 -
AR-15 7.62x39 7.5" Side Charging Jingo Complete Pistol Build Kit
$358.79AR-15 7.62X39 7.5" Side Charging Complete Jingo Build Kit -FREE SHIPPING NO LOWER WITH KIT This AR-15 complete 7.62x39 pistol length upper has a 7.5" heavy barrel with a parkerized finish, and features a 1:10 twist rate, with a pistol...$358.79 -
AR-15 16" .450 Bushmaster Side Charging Complete Standard Build Kit
$312.7916" .450 Bushmaster Alpha Side Charging Complete Standard Build Kit- FREE SHIPPING! The 16" .450 Bushmaster Alpha Side Charging Complete Standard Build Kit is designed for power and precision, offering a well-rounded option for hunters and...$312.79 -
AR-15 .300 Blackout 7.5" Side Charging Complete Jingo Pistol Build Kit
$395.59AR-15 .300 Blackout 7.5" Side Charging Complete Pistol Jingo Build Kit-FREE SHIPPING! This kit is your Jingo build kit. Everything & more you need to complete your AR15 .300 Blackout Pistol Build. Includes a Lightweight Jingo Buttstock...$395.59 -
AR-15 18" .223 Wylde Nitride Bear Claw Side Charging Upper
MSRP: $429.99$344.99AR-15 18" .223 Wylde Nitride Bear Claw Side Charging Upper- FREE SHIPPING Introducing the ultimate in precision and reliability for your AR-15 platform: the AR-15 18" .223 Wylde Nitride Bear Claw Side Charging Upper. Crafted...MSRP: $429.99$344.99 -
On Sale
7.62x39 7.5" Pistol Length Complete Build Kit-No Lower
Now: $303.59Was: $379.997.62x39 7.5" Pistol Length Complete Standard Build Kit-No Lower- FREE SHIPPING Introducing our 7.62x39 7.5" Pistol Length Complete Standard Build Kit-No Lower, designed to deliver unrivaled performance and...Now: $303.59Was: $379.99 -
On Sale
.300 Blackout 7.5" Side Charging Complete Pistol Standard Build Kit
Now: $358.79Was: $424.99300 Blackout 7.5" Side Charging Complete Pistol Standard Build Kit-FREE SHIPPING! This kit is your standard build kit. Everything you need to complete your AR15 .300 Blackout Pistol Build. Includes a cushion buffer (which can be removed)...Now: $358.79Was: $424.99 -
7.5" 5.56 Nato Stainless Side Charging Pistol Upper
MSRP: $349.99$266.79AR15 7.5" 5.56 Nato Stainless Side Charging Pistol Upper- FREE SHIPPING AR15 7.5" 5.56 NATO Stainless Side Charging Pistol Upper, designed to deliver unparalleled performance and reliability in a compact and versatile package...MSRP: $349.99$266.79 -
18" .450 Bushmaster Mid Length Complete Upper
$311.8718".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,...$311.87 -
.223 7.5" Pistol Side Charging Complete Upper Assembly
$285.19.223 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...$285.19 -
AR-15 16" .450 Bushmaster Side Charging Complete Upper Assembly
$298.99AR-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,...$298.99 -
5.56 16" AR-15 Premium Rifle Kit —No Receiver
$579.55AR-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...$579.55 -
On Sale
Guntec AR15 5.56 Red Complete Ultralight Series Pistol Kit
Now: $634.79Was: $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: $634.79Was: $849.00 -
On Sale
Guntec AR15 5.56 FDE Complete Rifle Kit #4
Now: $754.39Was: $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: $754.39Was: $929.00 -
On Sale
Guntec AR-15 5.56 Complete Rifle Kit #5
Now: $717.59Was: $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: $717.59Was: $849.00 -
On Sale
Guntec AR15 5.56 FDE Complete Rifle Kit #2
Now: $712.99Was: $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: $712.99Was: $829.00 -
On Sale
Guntec AR-15 5.56 Complete Rifle Kit #3
Now: $717.59Was: $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: $717.59Was: $849.00 -
On Sale
Guntec AR15 5.56 FDE Complete Airlite Series Rifle Kit
Now: $873.99Was: $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: $873.99Was: $1,099.00 -
On Sale
Timber Creek Outdoors Flat Dark Earth (FDE) Enforcer Build Kit
MSRP: $749.99Now: $574.99Was: $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: $574.99Was: $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.