AR-15 Upper Parts

Faxon Firearms 16" Government Profile 5.56 NATO Mid-Length 4150 Black Nitride Barrel At Faxon each barrel goes through a battery of tests during fabrication until finished with a Nitride treatment and then a final inspection. Faxon barrels are...

Faxon Firearms 16" Gunner 5.56 NATO Barrel w/ Integral Slim Flash Hider Faxon's Integral Rifle Barrels are the perfect choice for any shooter who is looking for the maneuverability of a shorter overall length, but want the compatibility and versatility...

Faxon Firearms 16" Pencil 5.56 NATO Barrel w/ Integral Slim Flash Hider Faxon's Integral Rifle Barrels are the perfect choice for any shooter who is looking for the maneuverability of a shorter overall length, but want the compatibility and versatility...

Faxon Firearms 18" Gov't/Socom 5.56 NATO Rifle-Length 4150 Nitride / Melonite Barrel Faxon Firearms barrels are the pinnacle of value. Manufactured 100% in-house from cradle-to-grave, these barrels are fully stress relieved, air-gauge tested, and 11...

Faxon Firearms 20" GUNNER 5.56 NATO Rifle-Length 4150 Nitride / Melonite Barrel 1:8 Twist The Gunner profile is a blend of two of the best-performing profiles of all time, Gov't and Pencil. Proving that every once in a while, the Government can do...

FN America 16" 5.56 Button Cut Carbine Gas Government Barrel FN America’s 5.56x45mm AR-15 Barrel is a high-quality upgrade to any AR build. The 16” barrel features M16 styling with mil-spec steel construction and a black manganese phosphate...

FN America 16" 5.56 NATO AR 15 Barrel - Mid Length The FN America 16" 5.56 NATO AR 15 Barrel is a top-performing component for your AR-15 build. Featuring a mid-length gas system and button broached rifling, this barrel is designed for accuracy and...

FN America 16" 5.56 NATO M4 Profile AR 15 Barrel - Carbine Length The FN America 16" 5.56 NATO M4 Profile AR 15 Barrel is a top-notch choice for your AR-15 build. With its carbine length, this barrel offers a perfect balance between maneuverability and...

Geissele CHF Chrome Lined Barrel - 5.56 - 12.5" Geissele barrels are precision machined and cold hammer forged utilizing the highest quality materials at our state of the art facility in North Wales, PA to ensure the highest quality and consistency of...

LBE Unlimited 10.5" 5.56 M4 1:7 Twist Black Nitride Carbine Barrel LBE Unlimited is a leading producer of US Made gun parts and accessories, particularly for the AR-15 platform. Whether you're in the middle of an AR build or you're just looking to...

Luth-AR 11.5" Barrel 5.56MM Barrel 223 Remington 556NATO 11.5" Black 1:9 4150 Chrome Molly Vanadium 5.56 mm, button broached barrel. The barrel is threaded with a 1/2×28 thread pitch, a 1-9 RH twist rate with 6 lands and grooves and an M4 feed ramp...

Rosco Manufacturing Bloodline 12.5 5.56 NATO Sauce Pack Getting the perfect components to finish your build can sometimes be a pain, especially if you find yourself with parts that you thought should work together that somehow don't when you get ready to...

Getting the perfect components to finish your build can sometimes be a pain, especially if you find yourself with parts that you thought should work together that somehow don't when you get ready to assemble your rifle. Take the guesswork out of your...

Rosco AR15 14.5"  M4 1:7 Twist 5.56 NATO Barrel - With FSB 5.56mm NATO Chamber & Bore 14.5" Length 1:7 Twist Rate M4 Contour 4150CMV Barrel Steel Carbine Length Gas System Threaded 1/2x28 Barrel Extension w/ M4 Feed...

Rosco AR15 16″ Government 1:7 Twist 5.56 NATO Barrel – With FSB 5.56mm NATO Chamber & Bore 16″ Length 1:7 Twist Rate Government Contour 4150CMV Barrel Steel Midlength Gas System Threaded 1/2×28 Barrel...

Rosco Manufacturing Husky 10.3" 5.56 1:7 Twist Phosphate/Chrome-Lined Carbine Barrel As our limited series continues, we wanted to give you our take on a ‘SOCOM’ 10.3. While this barrel isn’t exactly heavy, only a few ounces more than...

Rosco Manufacturing K9 11.5" 5.56 Hybrid 1:7 Twist Black Nitride Patrol Barrel The K9 11.5 offers a proprietary patrol length gas system that is smoother than carbine length, more reliable than mid-length. Features an optimized gas port to run...

Rosco Manufacturing K9 12.5" 5.56 Hybrid 1:7 Twist Black Nitride Mid-length Barrel Rosco Manufacturing has made a proprietary patrol length gas system to make the dynamics work the best for you on and off the range. This system features an optimized gas...

Rosco Manufacturing K9 13.95" 5.56 Sauce Pack The Rosco "Sauce Pack" bundles were created after direct requests from our customers to provide them with the key components needed for their carbine/ pistol builds at a great combined price. The result is a...

Sons Of Liberty Gun Works Combat Grade 5.56 Rifle Length Barrel - 20" w/ FSB A quality barrel will elevate any build, and a Sons of Liberty Combat-series barrel is sure to do the trick. Precision machined from MIL-STD 41V50 chrome moly vanadium steel and...

10.5" Combat Grade V2 5.56 Carbine Barrel High-Performance Barrel for Tough Conditions The Sons Of Liberty Gun Works Combat Grade V2 10.5" 5.56 Carbine Barrel is engineered to elevate the performance and durability of your AR build. Precision machined...

10.5" East India Starter Kit 5.56 Barreled Upper Kit Built for Hard Use, Precision, and Longevity The Sons Of Liberty Gun Works East India Starter Kit is engineered to serve as a robust foundation for your next AR-15 build. Featuring a 10.5” 4150...

Spike's Tactical 14.5" 5.56 NATO Cold Hammer Forged Barrel The Spike's Tactical mission is simple, strive to build the highest quality products and offer them at the best possible price to the consumer. It doesn't matter if you are simply a gun...

Spike's Tactical 16" 5.56 NATO M4 Profile AR 15 Barrel The barrel is one of the most critical components of your build. Spike's tactical only offers high quality barrels so you can be confident that your rifle will be off to a good start with which ever...

Wilson Combat 8" 5.56 NATO SBR Stainless Pistol Barrel Nearly two decades of building the finest custom tactical AR-15 rifles have given us the insight to develop a comprehensive line of stainless steel, match grade barrels that offer superior accuracy,...

Ballistic Advantage 20" 5.56 Government Rifle Length Modern Series Barrel This 5.56 chambered 20 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension. This...

10.5" 416R Stainless Steel M4 Contour Barrel, 5.56 NATO, Carbine Length Gas The 10.5" 416R Stainless Steel M4 Contour Barrel from Black Rifle Depot is an ideal choice for AR-15 enthusiasts looking for top-tier performance and durability. Precision...