General

Features: Caliber: .223 Wylde Forged 7075 T6 Aluminum Upper Hard Coat Anodizing T-Markings on Receiver 16inch Lightweight Melonite Finish Barrel 1/8 Twist Chambered in .223 Wylde Threaded 1/2x28 .625 Gas Block Diameter M4 feedramps Mid-Length Direct...

Features: Forged 7075 T6 Aluminum Upper Hard Coat Anodizing T-Markings on Receiver 16" Lightweight Melonite Finish Barrel 1/8 Twist Chambered in .223 Wylde Threaded 1/2x28 .625 Gas Block Diameter M4 feedramps Mid-Length Direct Impingement Gas...

Features: Forged 7075 T6 Aluminum Upper Hard Coat Anodizing T-Markings on Receiver 10.5 inch Melonite Finish Barrel Threaded 1/2x28 Chambered in 5.56 NATO 1/7 Twist 4150 Chrome Moly M4 feedramps Carbine Length Direct Impingement Gas System Combat Series...

Introducing the new GVAC system from Gemtech. Significantly reduce the amount of gas blowback you'll experience wwhen shooting suppressed with its patented design. The re-imagined barrel profile enhanced bolt carrier profile enhanced bolt carrier group...

Ultimate sound suppression for the M&P15-22 platform is now possible with the new Gemtech Integra 15-22. Gemtech has expanded the Integra line and created an experience you have to try to believe. The platform uses their whisper quiet G-core technology...

The Franklin Armory complete upper receiver comes with everything you will need to install it on your Milspec AR complete lower receiver. Chambered in the amazing .17 Winchester Super Magnum this piston driven upper receiver provides a cleaner and...

The Franklin Armory complete upper receiver comes with everything you will need to install it on your Milspec AR complete lower receiver. Chambered in the amazing .17 Winchester Super Magnum this piston driven upper receiver provides a cleaner and...

TacFire's AR-15 Built Upper contains all the parts you need minus the lower to custom build your own AR. 

Chambered in 9mm this rifle upper is completely built and ready to be put on a lower. Includes Bolt Carrier Group.

TacFire presents the Pistol Upper Assembly chambered in the widely popular 9mm Luger caliber. Designed for those who value compactness without compromising on performance this 10" barrel upper assembly is optimized for close-quarters combat and agility...

Chambered in 5.56 this pistol upper is completely built and ready to be put on a lower. Includes a Bolt Carrier Group.

Chambered in 5.56 this pistol upper is completely built and ready to be put on a lower. Includes a Bolt Carry Group.

TacFire's AR-15 Built Upper contains all the parts you need minus the lower to custom build your own AR.

Upgrade your shooting experience with the Tacfire 10" .45 ACP Complete Upper Assembly. Amplify your precision and performance utilizing an upper assembly that is expertly designed for maximal functionality. Dive into a world where impeccable features and...

TacFire's AR-10 Built Upper contains all the parts you need minus the lower to custom build your own AR. 

The TacFire Rifle Upper Assembly in .308 Win offers shooters a compact and nimble design with its 16" Black Nitride finished barrel. Designed to fit seamlessly onto AR-platform firearms this upper is the embodiment of versatility and efficiency. Its...

Enhance your firearm with the Tacfire 16" .300 blackout complete upper Assembly. Experience precision and performance with this expertly crafted upper assembly designed for optimal functionality. Explore exceptional features and craftsmanship that...

TacFire's AR-15 Built Upper contains all the parts you need minus the lower to custom build your own AR.

The DD4 RIII Upper Receiver Group offers the longest barrel length of the RIII family and is perfect for popular shooting sports and for tactical defensive applications. Built around a 16 inch Cold Hammer Forged Government Profile barrel its mid-length...

Combining carbine-like ballistic performance and compact size this 8” BANSHEE™ upper group is what you need for the ultimate 9mm AR. Not only does this 9mm upper utilize CMMG®’s RDB technology but shooters also have a number of lower/magazine pairing...

If you’re looking to build the most compact 9mm AR then look no further. CMMG®’s 9mm RDB uppers feature uncompromised design and engineering with styling that is never mistaken for something else. Having more options is always better like what magazines...

Gaining more acceptance as the go to personal defense caliber for many shooters in recent years 5.7x28mm has proven itself to be well suited for the job. With incredibly flat shooting performance and low recoil 5.7x28 excels at closer ranges while still...

Designed to provide superior ballistics and less felt recoil than most pistol caliber personal defense weapons 5.7x28mm has quickly become one of the most popular chamberings in the PDW space. With the 8” BANSHEE™ upper group you can build the PDW AR15...

Personal defense calibers like 5.7x28mm have become a big thing in the last few years and if you’re looking for PDW ballistics and the classic style and balance of a carbine then you’re in luck. Combine this RESOLUTE® Upper Group with either our Mk57...

Features: Savage by Proof Research 18” carbon fiber wrapped stainless steel barrel Custom forged upper receiver Tunable Muzzlebrake Low-profile adjustable gas block Forward Assist Free-float M-LOK forend with picatinny rail Includes bolt carrier assembly...

Angstadt Arms 0940 UDP Upper 9MM 4.5" Barrel Black Finish Tier 1 Package Includes 9mm BCG Ambi-Charging Handle Suppressor Ready 3-Lug Adapter with Blast Can

Complete 9mm upper receiver assembly with 6? barrel 5.5? ultra light hand guard and Radian ambi charging handle. Ready to run with a 9mm sound suppressor via 3-lug.

Angstadt Arms complete upper receiver pistol assembly is ready to run out of the box with any 9mm AR-15 lower receiver. Featuring the same high quality parts that go into are UDP-9 pistol this completed upper receiver is compatible with both GLOCK and...

Complete 9mm upper receiver assembly with 6″ barrel 5.5″ ultra light hand guard and Radian ambi charging handle. Ready to run with a 9mm sound suppressor via 3-lug.

High quality components and precise manufacturing makes Angstadt Arms ideal for both new shooters and experienced gun owners. The durability reliability and excellent build quality will provide years of service you can count on.

Dedicated AR-15 pistol caliber upper receiver compatible with 9mm .40 S&W .357 SIG 45acp and 10mm.

The ZEV Technologies Forged AR-15 Upper Receiver comes stripped and ready for your next custom AR build. ZEV starts with high-quality 7075 T6 aluminum forgings and final machines them to better than mil-spec dimensions held to �.001" tolerances giving...

Own a piece of firearm history from the makers of the world’s most battle-proven firearms. The FN 15® Military Collector Series M16 upper receiver assembly is an authentic reproduction of the original made to FN’s and the U.S. military’s exacting...

Own a piece of firearm history from the makers of the world’s most battle-proven firearms. The FN 15® Military Collector Series M4 upper receiver assembly is an authentic reproduction of the original made to FN’s and the U.S. military’s exacting...

TROY A3 Complete Upper 223 Rem/556NATO 16" Barrel

TLDR: Does NOT include sights FREE Railskins LWRCI High Efficiency Flash Hider Shipping Included When they're gone they're goneDeets:The LWRCI IC-A2 | Individual Carbine A2 Upper Receiver is constructed using the highest quality materials.  Built on our...

The SCO15 Upper Receiver features the SilencerCo logo and is perfect for pairing with the SCO15 Lower Receiver.Precision machined from billet 7075 aluminum and finished in type III hardcoat anodize.Features a mil-spec 1913 picatinny rail and M4 feed...

Complete flat top upper receiver with M4 feed ramps & white t-marksIncludesForward assist assemblyEjection port cover assembly

Features: Barrel: Chrome Moly Vanadium Mid Length Heavy Barrel M4 Feed Ramps 16" Length 1x9 Twist A2 Flash Hider Manganese Phosphated Phosphated under Front Sight Base Taper Pins in F-marked Front Sight Base Threaded Muzzle M4 Profile Barrel Chamber: 5...

Rifle kit comes with complete upper assembly head spaced and test fired buttstock with components and complete lower parts kit. Rifle Kit does NOT come with lower receiver or magazines.20" Pre-Ban Heavy Profile Rifle KitSTANDARD/RIFLE Gas...

Features: Barrel: Chrome Moly Vanadium M4 Feed Ramps 16" Length 1x9 Twist A2 Flash Hider Manganese Phosphated Phosphated under Front Sight Base Taper Pins in F-marked Front Sight Base Threaded Muzzle M4 Profile Barrel Chamber: 5.56 x 45mm Bolt &...

Features: 16" Mid Length Light Weight 1x7 Twist Barrel Flat Top Upper Bolt and Carrier Assembly Charging Handle 15" MLOK handguard 

Features: 16" Pre-Ban Mid-Length Heavy Profile Flat Top Barrel Assembly MIDLENGTH Gas System 16" 1x7 twist Heavy profile Chrome Lined 5.56 NATO Chrome Moly Vanadium barrel Flat Top Upper with White T-Marks & M4 Feed Ramps HPT/MPI tested Bolt and Carrier...

Features: DTI 16" 1x7 twist chrome moly vanadium chrome lined M4 barrel Flat top upper with M4 feed ramps Bolt and carrier assembly Charging handle CAR handguards 

Features: 16" 1x9 twist Heavy profile Chrome Moly Vanadium barrel Flat Top Upper with White T-Marks & M4 Feed Ramps HPT/MPI tested Bolt and Carrier assembly Charging Handle MIDLENGTH Handguards ***This upper is assembled head spaced and test fired.

Features: 11.5" 1x9 twist Heavy profile Chrome Moly Vanadium barrel Flat Top Upper with White T-Marks & M4 Feed Ramps HPT/MPI tested Bolt and Carrier assembly Charging Handle CAR Handguards ***This upper is assembled head spaced and test fired. 

Features: 20" 1x9 twist - Heavy Profile Chrome Moly Vanadium barrel Flat Top Upper with White T-Marks & M4 Feed Ramps HPT/MPI tested Bolt and Carrier assembly Charging Handle STANDARD Length Handguards This upper is assembled head spaced and test fired. 

16" Pre-Ban M4 Profile Flat Top Barrel AssemblyCARBINE Gas SystemIncludes16" 1x9 twist M4 ProfileChrome Moly Vanadium barrelChambered in 5.56 NatoFlat Top Upper with White T-Marks & M4 Feed RampsHPT/MPI tested Bolt and Carrier assemblyCharging HandleCAR...

Expertly crafted from aircraft grade aluminum CMMG® Mk4/AR15 upper receiver assemblies come with our ZEROED® Polymer Dust Cover pre-installed. This upper receiver omits the forward assist for those looking for a sleek and stylish base to start a new AR15...

Start your AR10 upper build with looks and quality like no other. The CMMG® Mk3 upper receiver assembly based on the DPMS LR308 gen1 high-pattern design gives shooters an AR10-style platform with the widest range of compatible parts and accessories on...

Whether you’re looking to build a AR15 for plinking training or small-game hunting this .22 LR RESOLUTE® Upper Group fits the bill perfectly. The Mk4 .22 LR upper is designed to work with any standard AR15 lower and our .22 Conversion Magazines. All...

Don’t build a .22 LR that looks like an AR build an AR that happens to be chambered in .22 LR. Equipped with a 4.5” barrel the shortest CMMG® offers in any caliber this BANSHEE™ upper group is built on the Mk4 platform and is designed to work with any...

10.5" barrel 10" handguard. AR Pistol Kit Includes : Forged Upper Upper Parts Kit BCG Charging Handle Pistol barrel Gas Tube Gas Block-Standard Cornerstone Flash Hider Iron Sights Pistol Buffer Tube Assy. Pistol Brace Lower Parts Kit Magazine

7.5" barrel 7" handguard. AR Pistol Kit Includes : Forged Upper Upper Parts Kit BCG Charging Handle pistol barrel Gas Tube Gas Block-Standard Cornerstone Flash Hider Iron Sights Pistol Buffer Tube Assy. Pistol Brace Lower Parts Kit Magazine

The MEGA Forged Upper Receiver comes stripped and ready for your next custom AR build. ZEV starts with high-quality 7075 T6 aluminum forgings and machines them to exceed mil-spec dimensions held to ±.001" tolerances giving you maximum compatibility with...

Anderson Manufacturing's AM-15 Stripped Upper Receiver is exactly what you need to complete your AR-15 build. It's made from high quality aluminum with precision manufacturing processes. Anderson Manufacturing's AM-15 Stripped Upper Receiver is the same...

16" M4 1-8 twist barrel Front Sight Base Carbine Gas Tube 7075 T6 Forged Upper Receiver A2 Hand Guard A2 Flash Hider Standard Charging Handle M16 BCG. Chambered in 5.56Specification: Color: Black Finish: Parkerized Caliber: 5.56/223 Barrel Length: 16...

The Packaged – AM-15 Assembled Upper Receiver comes in our new retail packaging to better gift to others for Holidays Birthdays or Other Special Occasions! Also allows dealers to hang our products in store! The AM-15 Assembled Upper Receiver comes with...

American Tactical 450 Bushmaster Complete AR-15 Upper is drop in ready upper receiver assembly features a forged aluminum Mil-Sport AR-15 pattern upper receiver with a 16" barrel with 1:24 button cut rifling and black nitride finish chambered for 450...