AR-15 Upper Parts

Faxon Firearms 13.9" GUNNER 5.56 NATO Mid-Length 4150 Nitride / Melonite Barrel The Gunner profile is a blend of two of the best performing profiles of all time, Gov't and Pencil. Faxon's Gunner profile combines the durability of the Gov't profile with...

Faxon Firearms 14.5" CLMP M4 5.56 NATO Carbine 4150 Chrome-Lined Phosphate Barrel Faxon Firearms barrels are the pinnacle of value. Manufactured in-house in Cincinnati, Ohio, Faxon barrels are fully stress relieved, air-gauge tested, and 11 degree target...

Faxon Firearms 14.5" PENCIL 5.56 NATO Mid-Length 4150 Nitride / Melonite Barrel The Lightest Pencil Barrel in the Industry, Engineered for Superior Performance. The Faxon Firearms 14.5" PENCIL 5.56 NATO Mid-Length Barrel is designed for shooters who...

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 Match Series 7.5" GUNNER 300 BLK Pistol 1-5 416-R Stainless Nickel PVD 5R Nickel Teflon Extension Barrel A faster 1:5 Twist Rate combined with the Lightweight Faxon Gunner Profile. The 300 Blackout cartridge yields increased performance in shorter...

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...

Odin Works 10.5" Pistol .300 BLK Medium Profile Barrel w/ Tunable Gas Block Compact and Versatile .300 BLK Performance Unlock the full potential of your AR-15 build with the ODIN Works 10.5" .300 AAC Blackout Barrel. Crafted from high-grade 416R...

Odin Works 16.1" Carbine .300 BLK Medium Profile Barrel w/ Tunable Gas Block Precision-Optimized for Supersonic and Subsonic .300 BLK Rounds Experience the flexibility and power of the ODIN Works 16.1" Carbine .300 AAC Blackout Barrel. Engineered from...

Odin Works 16.1" Pistol .300 BLK Medium Profile Barrel w/ Tunable Gas Block and Gas Tube Flexible and Precision-Tuned for .300 AAC Blackout Performance Maximize your AR-15’s potential with the ODIN Works 16.1" .300 BLK Medium Profile Barrel...

ODIN Works 8" Pistol .300 BLK Medium Profile Barrel with Tunable Gas Block The 8"″ 300 AAC Blackout Barrel is a button rifled 416R stainless steel barrel for the AR-15. 300 BLK provides an effective and extremely flexible .30 caliber option for the...

Proof Research’s Carbon Fiber Barrel manufacturing process begins with full-profile, match-grade 416R stainless steel barrel blanks that are then turned down to a significantly reduced profile greatly reducing weight. This reduced contour...

Rosco Manufacturing Bloodline 10.5" 300 BLK Heavy 1:7 Twist Black Nitride Pistol Barrel This Rosco 10.5" 300 Blackout (300 BLK) barrel was designed for SBR and Pistol use in conjunction with suppressors. The 10.5" 300 Blackout Rosco barrel was made to be...

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...

This 12.5" Rosco barrel is designed to bridge the gap between SBR-Pistol and/ or RECCE platforms and delivers amazing precision performance for its compact size. It is the perfect addition for the person attempting to create the ultimate intermediate...

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 Bloodline 16" 300 BLK Heavy 1:8 Twist Black Nitride Pistol Barrel This Rosco 16" 300 Blackout (300 BLK) barrel is perfectly suited for carbines shooters that plan on running only supersonic ammo, or are building a well-balanced...

Rosco Manufacturing Bloodline 8.2" 300 BLK Heavy 1:7 Twist Black Nitride Pistol Barrel This Rosco 8.2" 300 Blackout Bloodline Barrel was designed for SBR and Pistol use in conjunction with suppressors. This is the shortest that we will go to allow you...

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...

Rosco Manufacturing Purebred 16" 300 BLK Heavy 1:8 Twist Pistol Stainless Barrel Purebred 16" 300 Blackout: This Rosco Purebred 16" 300 Blackout (300 BLK) Barrel is perfectly suited for precision carbine shooters that plan on running only supersonic...

Rosco Manufacturing Purebred 8.2" 300 BLK Heavy 1:7 Twist Pistol Stainless Barrel Purebred 8.2" 300 Blackout Barrel: This Rosco Purebred 8.2" 300 Blackout Barrel was designed for SBR/ Pistol use in conjunction with suppressors. This is the shortest that...

9" Combat Grade .300 BLK Pistol Barrel Exceptional Durability and Precision in a Compact Size The Sons Of Liberty Gun Works Combat Grade 9" .300 Blackout Pistol Barrel is designed to deliver superior performance and reliability in compact AR builds...

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...

16"East India Starter Kit .300 BLK Barreled Upper Kit Quality and Precision Made Simple The Sons Of Liberty Gun Works East India Starter Kit simplifies building your AR without compromising on quality or performance. Featuring a 16" Government contour...

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 16" .300 BLK Recon Fluted Stainless Pistol Barrel All Wilson Combat Match Grade AR-15 barrels are precisely crafted of the finest American-made 416R rifle rated steel on computer controlled equipment to our exacting list of technical...

Wilson Combat 16" .300 BLK Recon Stainless Pistol Barrel All Wilson Combat Match Grade AR-15 barrels are precisely crafted of the finest American-made 416R rifle rated steel on computer controlled equipment to our exacting list of technical...