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.
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Tiger Rock AR-15 Robins Egg Blue Enhanced Rifle Kit w 10" Handguard
$469.99Tiger Rock AR-15 Enhanced Robins Egg Blue Rifle Kit w 10" Handguard-FREE SHIPPING Tiger Rock AR-15 Enhanced Robins Egg Blue Cerakote Rifle Kit, a premium package designed for those who demand both precision...$469.99 -
AR-15 5.56 7.5" Stormtrooper White Pistol Complete Build Kit
$569.99AR-15 5.56 Stormtrooper White Complete Build Kit-FREE SHIPPING UPPER COMES ASSEMBLED AR-15 5.56 Stormtrooper White Complete Build Kit, a meticulously curated assembly of top-tier components, carefully selected to...$569.99 -
Tiger Rock AR-15 5.56 NATO 7" Pistol Length Complete Upper
$369.99Tiger Rock AR-15 5.56 NATO 7" Pistol Length Complete Upper-FREE SHIPPING Tiger Rock AR-15 5.56 NATO 7" Pistol Length Complete Upper – a meticulously crafted and high-performance firearm component that elevates your...$369.99 -
AR-40 4.5" Billet MOD1 Upper Receiver Pistol Build Kit
$389.99AR-40 4.5" MOD1 Billet Upper Receiver Pistol Build Kit-FREE SHIPPING Introducing the AR-40 4.5" MOD1 Billet Upper Receiver Pistol Build Kit, a powerful and compact firearm designed to deliver outstanding performance in...$389.99 -
AR-40 4.5" Billet Upper Receiver Pistol w C Cut Handguard Build Kit
$394.99AR-40 4.5" Billet Upper Receiver Pistol w C Cut Handguard Build Kit-FREE SHIPPING AR-40 4.5" Billet Upper Receiver Pistol with C Cut Handguard Build Kit, a precision-engineered firearm designed to deliver unparalleled...$394.99 -
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AR15 16" 5.56 NATO Rifle Build Kit with Magpul Stock & Grip
Now: $527.99Was: $624.99AR15 16" 5.56 NATO Rifle Build Kit with Magpul Stock/Grip-FREE SHIPPING AR-15 Rifle Build Kit with Custom Made in USA Complete Upper Build with Magpul Kits, BCG and Lower Parts Kit Every Upper Build is Test Fired Before Shipment To...Now: $527.99Was: $624.99 -
AR-15 16" 5.56 NATO Carbine Length Rifle Kit
$469.99AR-15 16" 5.56 NATO Carbine Length Rifle Kit-FREE SHIPPING AR-15 16" 5.56 NATO Carbine Length Rifle Kit, meticulously engineered to deliver unparalleled performance and reliability. Crafted with precision and attention to detail,...$469.99 -
On Sale
Custom Timber Creek 15" Yellow Enforcer Build Kit
Now: $544.99Was: $749.99Timber 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...Now: $544.99Was: $749.99 -
On Sale
Guntec AR-15 Flat Dark Earth Cerakote Ultimate Pistol Kit
Now: $567.99Was: $629.95Guntec AR-15 FDE Cerakote Ultimate Pistol Kit-FREE SHIPPING! Guntec AR-15 Cerakote Flat Dark Earth (FDE) Ultimate Pistol Kit - a comprehensive package designed to elevate your AR-15 build to new heights. This...Now: $567.99Was: $629.95 -
Guntec AR-15 Orange Anodized Ultimate Pistol Kit
$579.99Guntec AR-15 Orange Anodized Ultimate Pistol Kit-FREE SHIPPING Guntec USA AR-15 Orange Anodized Ultimate Pistol Kit, a comprehensive and high-performance package designed to elevate your AR-15 pistol to the next level. Crafted...$579.99 -
On Sale
Timber Creek Black Enhanced Complete Lower Parts Build Kit
Now: $339.99Was: $424.99Timber Creek Black Enhanced Complete Lower Parts Kit-FREE SHIPPING Timber Creek Black Anodized Enhanced Lower Parts Kit features all the excellent quality AR-15 lower parts to complete your lower build. T.C. Black...Now: $339.99Was: $424.99 -
A1Armory OD Green 10.5" 5.56 NATO Pistol Upper w Boron BCG
$429.95A1Armory OD Green 10.5" 5.56 NATO Pistol Upper w Nickel Boron Bolt Carrier Group and Raptor Charging Handle- FREE SHIPPING Fully Assembled and Ready for Action Introducing the A1Armory OD Green 10.5" 5.56 NATO Pistol Upper, a...$429.95 -
A1Armory 5.56 NATO Silver 7" Complete Pistol Upper w BCG
$344.99A1Armory 5.56 NATO Silver Complete Pistol Upper w Nitride Bolt Carrier Group Upgrade your AR-15 pistol with the A1Armory 5.56 NATO Silver 7" Complete Pistol Upper—a high-performance, fully assembled upper built for reliability,...$344.99 -
On Sale
A1Armory AR-15 Red 16" .300 Blackout Complete Upper
Now: $389.99Was: $419.95AR-15 Red 16" .300 Blackout Complete Upper- FREE SHIPPING A1Armory AR-15 Red 16.5" .300 Blackout Complete Upper, a meticulously crafted assembly designed to elevate your AR-15 build to new heights. This fully assembled upper features...Now: $389.99Was: $419.95 -
On Sale
A1Armory AR-15 Blue 16" .300 Blackout Complete Upper
Now: $389.99Was: $419.95AR-15 Blue 16" .300 Blackout Complete Upper- FREE SHIPPING The A1Armory AR-15 Blue 16" .300 Blackout Complete Upper is the perfect combination of precision engineering, style, and reliability. Built in the USA, this upper assembly is...Now: $389.99Was: $419.95 -
On Sale
A1Armory OD Green 16" .300 Blackout Complete Upper w BCG
Now: $389.99Was: $419.95A1Armory OD Green 16" .300 Blackout Complete Upper w BCG-FREE SHIPPING The ODG 16" .300 Blackout Complete Upper offers both exceptional performance and striking aesthetics, making it an excellent choice for AR-15 enthusiasts...Now: $389.99Was: $419.95 -
On Sale
A1Armory OD Green 8.5" .300 Blackout Pistol Upper w BCG
Now: $389.99Was: $449.95A1Armory OD Green 8.5" .300 Blackout Pistol Upper w Nitride Bolt Carrier Group- FREE SHIPPING A1Armory complete AR-15 .300 Blackout Pistol Upper comes FULLY ASSEMBLED with a 300 BO barrel, bolt carrier group and capable of shooting .300 BO...Now: $389.99Was: $449.95 -
A1Armory OD Green 10.5" 5.56 NATO Pistol Upper w BCG
$389.95A1Armory OD Green 10.5" 5.56 NATO Pistol Upper w Nitride Bolt Carrier Group- FREE SHIPPING A1Armory complete AR-15 .5.56 NATO Complete Pistol Upper comes FULLY ASSEMBLED with a 5.56 nato barrel, bolt carrier group and capable of...$389.95 -
A1Armory Blue 10.5" .300 Blackout Pistol Upper w BCG
$387.95A1Armory Blue 10.5" .300 Blackout Pistol Upper w Nitride Bolt Carrier Group- FREE SHIPPING Fully Assembled Unlock the potential of your AR-15 with the A1Armory Blue 10.5" .300 Blackout Pistol Upper, a fully assembled...$387.95 -
AR-15 Bronze 10.5" Complete Pistol Upper w BCG
$387.95AR-15 Bronze 10.5" Complete Pistol Upper w Nitride Bolt Carrier Group- FREE SHIPPING Choose your caliber: .300 Blackout, .223 Wylde, or 5.56 NATO Upgrade your AR-15 pistol build with...$387.95 -
On Sale
A1Armory OD Green 10.5" .300 Blackout Pistol Upper w BCG
Now: $338.99Was: $389.95A1Armory OD Green 10.5" .300 Blackout Pistol Upper w Nitride Bolt Carrier Group- FREE SHIPPING A1Armory complete AR-15 .300 Blackout Pistol Upper comes FULLY ASSEMBLED with a 300 BO barrel, bolt carrier group and capable of shooting .300 BO...Now: $338.99Was: $389.95 -
AR-15 Red 10.5" Pistol Upper w BCG
$389.95A1Armory Red 10.5" Pistol Upper w Nitride Bolt Carrier Group- FREE SHIPPING Choose your Caliber A1Armory Red 10.5" Pistol Upper w Nitride Bolt Carrier Group – a meticulously crafted and fully assembled AR-15 upper that brings together...$389.95 -
AR-15 Silver 10.5" Complete Pistol Upper w BCG
$389.95AR-15 Silver 10.5" Pistol Upper w Nitride Bolt Carrier Group- FREE SHIPPING Upgrade your AR-15 pistol build with the A1Armory 5.56 NATO Silver 10.5" Complete Pistol Upper, a premium, fully assembled upper receiver...$389.95 -
Guntec AR-15 9mm Upper Pistol Kit with Mini Socom
$579.99Guntec AR-15 9mm Upper Pistol Kit with Mini Socom -FREE SHIPPING! -NOT ASSEMBLED- Guntec AR-15 9mm Upper Pistol Kit with Mini Socom – a high-quality, all-American-made firearm upgrade designed for...$579.99 -
Tiger Rock AR15 5.56 NATO 10.5" Sniper Grey Complete Upper
$348.99Tiger Rock AR-15 5.56 NATO 10.5" Sniper Grey Complete Upper-FREE SHIPPING The Tiger Rock AR-15 5.56 NATO 10.5" Sniper Grey Complete Upper is a high-quality, American-made upper receiver assembly designed for precision and reliability...$348.99 -
Tiger Rock AR15 5.56 NATO 10.5" Flat Dark Earth Complete Upper
$349.99Tiger Rock AR15 5.56 NATO 10.5" Flat Dark Earth Complete Upper-FREE SHIPPING Title: Tiger Rock AR15 5.56 NATO 10.5" FDE Complete Upper - High-Performance Firearm Upgrade Unleash the full potential of your AR-15...$349.99 -
Tiger Rock AR15 5.56 NATO 7.5" Sniper Grey Complete Upper
$389.99Tiger Rock AR15 5.56 NATO 7.5" Sniper Grey Complete Upper-FREE SHIPPING Tiger Rock AR15 5.56 NATO 7.5" Sniper Grey Complete Upper, a top-tier component engineered to elevate your AR-15 build to unmatched precision and...$389.99 -
Tiger Rock AR15 5.56 NATO 7.5" Flat Dark Earth Complete Upper
$384.99Tiger Rock AR15 5.56 NATO 7.5" Flat Dark Earth Complete Upper-FREE SHIPPING Title: Tiger Rock AR15 5.56 NATO 7.5" Flat Dark Earth Complete Upper Assembly Description: Elevate your AR-15 experience with the Tiger Rock...$384.99 -
AR15 5.56 NATO 16" FDE Carbine Length Upper Assembly
$377.99AR15 5.56 NATO 16" FDE Carbine Length Upper Assembly- FREE SHIPPING Includes: AR-15 Complete Upper Receiver Assembly w/Forward Assist & Dust Cover 5.56 NATO 16" Barrel Assembly with Barrel Nut, End Cap and 0.675" Flat Top...$377.99 -
On Sale
AR15 7.62x39 7.5" Length Complete Pistol Upper
Now: $229.99Was: $269.99AR15 7.62x39 7.5" Pistol Length Complete Upper- FREE SHIPPING AR-15 Complete 7.62x39 Pistol Length Upper, a compact powerhouse designed for precision and reliability. Here's what sets it apart: Barrel: Boasting a 7.5" heavy barrel...Now: $229.99Was: $269.99 -
AR15 .350 Legend 16" Stainless Carbine Complete Upper
$349.99AR-15 .350 Legend 16" Stainless Carbine Complete Upper Assembly-FREE SHIPPING Title: "Enhance Your AR-15 with Precision: .350 Legend 16" Stainless Carbine Complete Upper Assembly" Description: Upgrade your AR-15 with our...$349.99 -
AR-15 7.62x39 7.5" Side Charging Jingo Complete Pistol Build Kit
$389.99AR-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...$389.99 -
7.62x39 7.5" Pistol Length Complete Jingo Build Kit
$389.997.62x39 7.5" Pistol Length Complete Jingo Build Kit- FREE SHIPPING Includes: Carbine 3oz Buffer Lightweight Jingo Buttstock Extended Takedown Pins Rear Charging Handle 6 position Buffer Tube Dust Cover M4 flat-top billet upper...$389.99 -
AR-15 16" .450 Bushmaster Side Charging Complete Standard Build Kit
$339.9916" .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...$339.99 -
AR-15 .300 Blackout 7.5" Side Charging Complete Jingo Pistol Build Kit
$429.99AR-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...$429.99 -
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AR-15 18" .223 Wylde Nitride Bear Claw Side Charging Upper
Now: $338.99Was: $388.65AR-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...Now: $338.99Was: $388.65 -
AR15 5.56 Nato 16" Complete Carbine Length Upper Assembly
$449.99TIGER ROCK AR15 5.56 Nato 16" Complete Carbine Length Upper Assembly-FREE SHIPPING Specs: Barrel Length: 16" Caliber: 5.56 NATO Twist Rate: 1:8 Gas System: Carbine Length Muzzle Thread: 1/2-28 Barrel Coating: Black...$449.99 -
On Sale
.300 Blackout 7.5" Side Charging Complete Pistol Standard Build Kit
Now: $389.99Was: $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: $389.99Was: $424.99 -
On Sale
Guntec AR-15 9mm Complete Micro Upper Pistol Kit
Now: $509.95Was: $619.00Guntec AR-15 9mm Complete Micro Upper Pistol Kit -FREE SHIPPING! -NOT ASSEMBLED- All US Made 9mm Upper Receiver US 4″ AIR-LOK Series M-LOK Handguard With Barrel Nut & Hardware (GT-4ALC) 1/2 X...Now: $509.95Was: $619.00 -
18" .450 Bushmaster Mid Length Complete Upper
$338.9918".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,...$338.99