AR-15 Upper Parts

Criterion Barrels 16" .223 Wylde Hybrid Phosphate/Chrome-Lined Rifle Length Barrel A Mid-Weight, Chrome-Lined Barrel Balancing Durability and Performance The Criterion 16" .223 Wylde Hybrid Phosphate/Chrome-Lined Barrel offers optimal durability and...

Criterion Barrels 18" .223 Wylde Fluted Stainless Rifle Length Barrel Lightweight Precision with Fluted Design for Rigidity and Accuracy. The Criterion Barrels 18" .223 Wylde Fluted Stainless Rifle Length Barrel is designed for shooters who demand...

Criterion Barrels 18" .223 Wylde HBAR Phosphate/Chrome-Lined Rifle Length Barrel Superior Rigidity and Heat Absorption for High-Performance Shooting. The Criterion Barrels 18" .223 Wylde HBAR Phosphate/Chrome-Lined Rifle Length Barrel is designed for...

Criterion Barrels 18" .223 Wylde Hybrid Nitride Rifle Length Barrel Precision and Durability with a Lightweight Design for Superior Accuracy. The Criterion Barrels 18" .223 Wylde Hybrid Nitride Rifle Length Barrel is designed to offer extreme accuracy...

Criterion Barrels 18" .223 Wylde Hybrid Phosphate/Chrome-Lined Rifle Length Barrel Balanced Performance with Superior Durability for All-Day Use. The Criterion Barrels 18" .223 Wylde Hybrid Phosphate/Chrome-Lined Rifle Length Barrel is designed to offer...

Criterion Barrels 18" .223 Wylde Hybrid Stainless Rifle Length Barrel Precision Engineering for Superior Accuracy and Durability The Criterion Barrels 18" .223 Wylde Hybrid Stainless Barrel is crafted for shooters seeking an ideal balance between weight,...

Criterion Barrels 18" .223 Wylde Ultralight Phosphate/Chrome-Lined Rifle Length Barrel Lightweight Durability and Precision in an Ultralight Contour Barrel. The Criterion Barrels 18" .223 Wylde Ultralight Phosphate/Chrome-Lined Rifle Length Barrel is...

Criterion Barrels 18" 6.5 Grendel Hybrid Stainless Rifle Length Barrel Enhanced Precision and Maneuverability for Long-Range AR-15 Builds The Criterion 18" 6.5 Grendel Hybrid Stainless Barrel is crafted to deliver the long-range accuracy and consistency...

Criterion Barrels 20" .223 Remington DCM Stainless Rifle Length Barrel Precision-Engineered for High Power and Service Rifle Competition The Criterion 20" .223 Remington DCM Stainless Rifle Barrel is crafted for competitive shooters participating in high...

Criterion Barrels 20" .223 Wylde Fluted Stainless Rifle Length Barrel Fluted Design for Weight Reduction Without Sacrificing Rigidity or Accuracy. The Criterion Barrels 20" .223 Wylde Fluted Stainless Rifle Length Barrel is engineered for shooters who...

Criterion Barrels 20" .223 Wylde HBAR Stainless Rifle Length Barrel Precision, Durability, and Stability in a Competition-Ready HBAR Design The Criterion Barrels 20" .223 Wylde HBAR Stainless Rifle Length Barrel is crafted for shooters who demand...

Criterion Barrels 20" .223 Wylde Hybrid Phosphate/Chrome-Lined Rifle Length Barrel Superior Accuracy, Durability, and Versatility with a Mid-Weight Hybrid Design. The Criterion Barrels 20" .223 Wylde Hybrid Phosphate/Chrome-Lined Rifle Length Barrel is...

Faxon 16", Gunner, 22 ARC, Rifle-Length, 416R, Nitride, 5R, Nickel Teflon Extension, 1/7 Twist 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...

Faxon 20", Flame Fluted, 22 ARC, Rifle-Length, 416R, Nitride, 5R, Nickel Teflon Extension, 1/7 Twist Quality is imbued into our barrels from the start. We start with the best materials, either certified 4150 Mil-Spec steel or 416-R Stainless. From there,...

Faxon Firearms 10.5" Gunner Profile .300 BLK Pistol Length Black Nitride Barrel Just what is the Gunner profile? The Gunner profile is a blend of two of the best performing profiles of all time, Gov't and Pencil.  Proving that every once and awhile,...

Faxon Firearms 12.5" GUNNER 350 Legend Pistol 4150 Nitride Barrel Faxon Firearms is expanding the ever-popular Gunner line of barrels to include the new 350 Legend straight wall cartridge. The Gunner profile is a blend of two of the best performing...

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 Match Series 18" FLAME Fluted .223 Wylde Rifle-Length 416-R Stainless Nitride / Melonite 5R Nickel Teflon Extension Barrel Faxon's MATCH SERIES of barrels takes our renowned performance and value up a notch. Manufactured 100% in-house from...

Faxon Firearms Match Series 18" Heavy Fluted .223 Wylde Rifle-Length 416-R Stainless Nitride / Melonite 5R Nickel Teflon Extension Barrel Faxon's MATCH SERIES of barrels takes our renowned performance and value up a notch. Manufactured 100% in-house from...

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...

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" 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 16.325" 223 Wylde Rifle Length DMR Profile Stainless Steel Barrel w/ FREE tunable GB This 16.325" barrel is a High Performance* barrel designed to achieve the best accuracy with the least amount of felt recoil. With a heavier profile and rifle...

ODIN Works 18" 223 Wylde Rifle Length 3-Gun Profile Stainless Steel Barrel with Tunable Gas Block When you decide to build an AR for 3-Gun competitions, the profile of the barrel you choose is going to affect the shooting characteristics in several ways...

ODIN Works 18" 223 Wylde 3-Gun Profile Stainless Steel Barrel with Tunable Gas Block The .223 Wylde Barrel is one of the most popular caliber options for the AR-15 platform. It's popularity is because it shoots both civilian .223 Rem ammo, and...

ODIN Works 20" 6.5 Grendel / LBC Rifle Length DMR Stainless Steel Barrel with Tunable Gas Block 6.5 Grendel cartridge is one of the many "middle ground" options between a 7.62 round and a 5.56 round. The DMR or Designated Marksman Rifle is a rifle that...

ODIN Works 21" 6mm ARC XL Rifle DMR Profile Stainless Steel Barrel w/ FREE tunable GB 6mm Arc 21" Stainless Steel Barrel comes with Adjustable Gas Block, Gas Tube Technical Specs 21" 416R Stainless Steel Barrel 6.5 Type II BCG XL rifle gas system .875...

ODIN Works 7.5" 223 Wylde Pistol Length Medium Profile Stainless Steel with Tunable Gas Block Have you ever wanted to build an AR pistol in 556/223? Most AR shooters do, most shooters of any firearm do, and even I want to build one. Since the...

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 18" 6.5 Grendel Carbon Fiber 1:8 Rifle .750 AR-15 Barrel PROOF has designed their AR barrels with the goal of improving performance and reliability in the AR platform. Our Caliber Matched Gas System (CAMGAS) results in a gas system that...

Proof Research 20" .223 Wylde Carbon Fiber 1:8 Rifle AR-15 Barrel PROOF has designed their AR barrels with the goal of improving performance and reliability in the AR platform. Our Caliber Matched Gas System (CAMGAS) results in a gas system that is...

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 barrel is...

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 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 Bloodline 8.2" Pistol .300BLK 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...

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 18 Rifle .223 Wylde 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...

Rosco Manufacturing Purebred 20" .223 Wylde SPR 1:7 Twist Rifle Stainless Barrel This Rosco 20″ .223 Wylde Barrel was made to give the precision carbine shooter the best possible option for extended range shooting within this chambering option...

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...