AR-15 Build Kits
Choose from a wide variety of calibers, barrel lengths, and handguard styles to create a rifle build kit that fits your shooting style — tactical, hunting, competitive, or recreational. With top-tier parts, unbeatable pricing, and no FFL required, building your own AR-15 has never been easier or more rewarding.
Your rifle. Your rules. Build it your way.
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Guntec AR-15 Red Anodized Ultimate Pistol Kit
$539.96Guntec AR-15 Red Anodized Ultimate Pistol Kit- FREE SHIPPING Guntec AR-15 Red Anodized Ultimate Pistol Kit, a comprehensive package designed to elevate your AR-15 pistol build to the next level. Crafted with precision and...$539.96 -
On Sale
Guntec 5.5" AR-15 5.56 Complete Pistol Upper
Now: $404.09Was: $549.00Guntec 5.5"AR-15 5.56 Compression Series Micro Pistol Upper -FREE SHIPPING! -NOT ASSEMBLED- Introducing the Guntec 5.5" AR-15 5.56 Compression Series Micro Pistol Upper, a meticulously crafted firearm component...Now: $404.09Was: $549.00 -
On Sale
Guntec AR-15 5.56 7.5" Complete Pistol Length Upper Kit
Now: $440.99Was: $549.00AR-15 5.56 7.5" Complete Pistol Length Upper Kit- FREE SHIPPING! This AR-15 Guntec Complete Upper Kit comes with an Ultra Lite MLOK Handguard, 5.56 Bolt Carrier Group, A2 Birdcage, Barrel, Charging Handle, Upper Receiver,.750 Gas Block/Gas Tube and this...Now: $440.99Was: $549.00 -
7.62x39 7.5" Pistol Length Side Charging Complete Upper
$251.097.62x39 7.5" Parkerized Heavy Barrel Side Charging Upper-FREE SHIPPING Maximize performance in a compact, rugged form. Our 7.62x39 7.5" Parkerized Heavy Barrel Side Charging Upper is purpose-built for shooters demanding power,...$251.09 -
On Sale
Guntec AR-15 9mm Complete Black Pistol Kit
Now: $584.99Was: $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: $584.99Was: $725.00 -
Guntec AR-15 5.56 Series Micro Pistol Kit-No Lower
$701.99Guntec 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...$701.99 -
AR-15 Alpha Stock Ambi Mil Spec Lower Parts Build Kit
$125.99A1Armory 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...$125.99 -
On Sale
AR-15 Cobra Stock MK2 Ambi Mil Spec Lower Parts Build Kit
Now: $125.99Was: $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: $125.99Was: $159.99 -
AR-15 Alpha Stock MK2 Ambi Mil Spec Lower Parts Build Kit
$125.99Trinity 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...$125.99 -
AR-15 Omega Stock Ambi Mil Spec Lower Parts Build Kit
$116.99AR-15 Omega Lower Parts Build Kit-FREE SHIPPING Upgrade or complete your AR-15 build with precision-engineered components you can trust. The Omega Lower Parts Build Kit is crafted with high-quality materials and proudly made in the USA,...$116.99 -
AR-15 .223 Wylde 16" M4 Stormtrooper White Complete Upper
$350.9916" .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" .223...$350.99 -
On Sale
AR-15 Lower Parts Build Kit Flat Dark Earth Magpul MOE Stock
Now: $125.99Was: $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: $125.99Was: $189.99 -
AR-15 Lower Parts Build Kit Flat Dark Earth Minimalist Stock
$170.99RTB 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...$170.99 -
On Sale
Odin Works 16" 223 Wylde Complete Upper
Now: $732.56Was: $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: $732.56Was: $900.00 -
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 -
AR-15 5.56 NATO 16" Complete Billet Premium Upper Receiver
$485.99AR-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...$485.99 -
On Sale
UAR AR-15 16" 223 Wylde Complete Upper Assembly 15" Rail
Now: $382.49Was: $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: $382.49Was: $499.99 -
UAR AR-15 16" 223 Wylde Complete Upper Assembly 12" Rail
$377.9916″ 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...$377.99 -
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
AR15 5.56 10.5" Complete Premium Upper Receiver Assembly
Now: $464.36Was: $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: $464.36Was: $544.95 -
On Sale
AR-15 5.56 NATO 16" Complete Upper
Now: $440.99Was: $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: $440.99Was: $544.95 -
On Sale
Guntec AR-15 Purple Anodized Ultimate Rifle Kit
Now: $562.49Was: $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: $562.49Was: $699.00 -
On Sale
Guntec AR-15 Green Anodized Ultimate Rifle Kit
Now: $562.49Was: $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: $562.49Was: $699.00 -
On Sale
Guntec AR-15 FDE Ultimate Rifle Kit
Now: $580.49Was: $719.00Guntec AR-15 Flat Dark Earth (FDE) Ultimate Rifle Kit- FREE SHIPPING! Guntec AR-15 Flat Dark Earth (FDE) Ultimate Rifle Kit, a comprehensive package designed to elevate your AR-15 platform to new heights of performance...Now: $580.49Was: $719.00 -
Guntec AR-15 Grey Anodized Ultimate Rifle Kit
$629.10Guntec AR-15 Grey Anodized Ultimate Rifle Kit-FREE SHIPPING! Guntec AR-15 Grey Anodized Ultimate Rifle Kit, a comprehensive package that combines premium...$629.10 -
On Sale
Guntec AR-15 Gold Anodized Ultimate Rifle Kit
Now: $562.49Was: $699.00Guntec AR-15 Gold Anodized Ultimate Rifle Kit- FREE SHIPPING! Guntec AR-15 Gold Anodized Ultimate Rifle Kit, a comprehensive package that brings together top-notch components to elevate your AR-15 platform. This kit has...Now: $562.49Was: $699.00 -
AR-15 16" .223 Wylde Stainless Straight Fluted Side Charging Upper
$296.09AR-15 16" .223 Wylde Stainless Straight Fluted Side Charging Upper- FREE SHIPPING! Upgrade your AR-15 platform with precision, performance, and convenience. The AR-15 16" .223 Wylde Stainless Steel Side Charging Upper is engineered for...$296.09 -
16" .300 Blackout Stainless Black Nitride Bear Claw Complete Upper
$287.9916" .300 Blackout Stainless Black Nitride Bear Claw Fluted Upper-FREE SHIPPING FREE SHIPPING Unleash precision, power, and rugged performance with this 16" .300 Blackout Complete Upper Assembly. Designed for versatility...$287.99 -
AR-15 16" .223 Wylde Carbine Side Charging Upper Assembly
$260.09AR-15 16" .223 Wylde Carbine Side Charging Complete Upper Assembly- FREE SHIPPING ✅ FREE SHIPPING-BCG & HANDLE INCLUDED Upgrade your rifle with the precision and reliability of our 16" .223 Wylde...$260.09 -
AR-15 5.56 NATO 16" Stainless M4 Carbine Side Charging Upper
$278.99AR-15 5.56 NATO 16" Stainless Carbine Side Charging Complete Upper- FREE SHIPPING ✅ FREE SHIPPING Upgrade your AR build with this precision-engineered 16" Stainless Steel Side Charging Complete Upper. Designed for shooters who...$278.99 -
On Sale
Guntec AR15 5.56 Black Complete Ultralight Series Pistol Kit
Now: $584.99Was: $799.00Guntec AR-15 5.56 Complete Ultralight Series Pistol Kit- FREE SHIPPING! All US...Now: $584.99Was: $799.00 -
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
Guntec AR-15 5.56 Complete Airlite Series Rifle Kit- No Lower
Now: $800.96Was: $999.00Guntec AR-15 5.56 Complete Airlite Series Rifle Kit- No Lower- FREE SHIPPING! All US Made Complete Airlite Series Rifle Kit Contains: 5.56 Ejection Door Assembly 5.56 Complete Lower Parts Kit AR-15 Airlite Series...Now: $800.96Was: $999.00 -
On Sale
Guntec AR-15 Anodized Clear Ultimate Rifle Kit
Now: $562.49Was: $699.00AR-15 Ultimate Rifle Kit -Anodized Clear- FREE SHIPPING! AR-15 Ultimate Rifle Kit - Anodized Clear, a meticulously curated collection of premium components designed to elevate your AR-15 build to new heights. Crafted with...Now: $562.49Was: $699.00 -
On Sale
Timber Creek Outdoors Flat Dark Earth (FDE) Enforcer Build Kit
Now: $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...Now: $562.49Was: $749.99