AR-15 Upper Parts

Ballistic Advantage 18" 6.5 Grendel SPR Stainless Steel Rifle Length AR-15 Barrel - Premium Series This 6.5 Grendel "Type 2" chambered 18 inch barrel is machined from 416 Stainless Steel with a bead blasted finish. Our Premium Series Barrels feature a...

Ballistic Advantage 18" 6mm ARC SPR Profile Rifle AR-15 Barrel, Premium Series This 18” 6MM ARC barrel is machined from 416 Stainless Steel with a bead blasted finish. Our Premium Series Barrels feature a Nickel Boron Coated Extended M4 Feed Ramp...

Ballistic Advantage 20" .223 Wylde DMR Stainless Steel Rifle Length AR 15 Barrel, Premium Series This .223 Wylde chambered 20 inch barrel is machined from 416R Stainless Steel with a bead blasted finish. Our Premium Series Barrels feature a Nickel Boron...

Ballistic Advantage 20" 5.56 Government Profile Rifle AR-15 Barrel, Modern Series w/ FSB, Triangular Handguard Cap and Delta Ring Assembly This 20" rifle-length barrel is the perfect addition for your AR-15 build. Crafted to mil-spec standards from 4150...

Ballistic Advantage 20" 6.5 Grendel DMR Fluted Stainless Steel Rifle Length AR-15 Barrel - Premium Series This 6.5 Grendel "Type 2" chambered 20 inch barrel is machined from 416R Stainless Steel with a bead blasted finish. Our Premium Series Barrels...

Ballistic Advantage 20" 6.5 Grendel DMR Stainless Steel Rifle Length AR-15 Barrel - Premium Series This 6.5 Grendel "Type 2" chambered 20 inch barrel is machined from 416 Stainless Steel with a bead blasted finish. Our Premium Series Barrels feature a...

Ballistic Advantage 20" 6mm ARC DMR Profile Rifle AR-15 Barrel, Premium Black Series This 6mm ARC barrel is an offering from Ballistic Advantage and is a product from their Premium Black Series of tactical gun parts.  It is a 20-inch long barrel...

Ballistic Advantage 20" 6mm ARC DMR Profile Rifle AR-15 Barrel, Premium Series This 20” 6MM ARC barrel is machined from 416 Stainless Steel with a bead blasted finish. Our Premium Series Barrels feature a Nickel Boron Coated Extended M4 Feed Ramp...

Bear Creek Arsenal 20" 6.5 Grendel Type II AR 15 Barrel The Bear Creek Arsenal AR-15 Barrel is a 20" heavy barrel profile made of 416R stainless steel. Rifle length gas system with a 1:8 twist rate and is chambered in 6.5 Grendel Type II. All Finished...

Centurion Arms MK12 18" 5.56 NATO 1:7 416R Stainless Steel Rifle Length Barrel These are Crane Spec. MK12 barrels. These barrels are the result of tens of thousands of dollars in development done by the U.S. government to give our Special Operations guys...

Centurion Arms MK12 18" 5.56 NATO 1:7 R5 416R Stainless Steel Rifle Length Barrel Centurion Arms MK12 Rifle Barrels are the result of development done by the U.S. government to give Special Operations forces the best possible weapon system. Troops who...

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 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...

Faxon Firearms 20" Gunner, 224 Valkyrie Rifle Length Nitride Quality is imbued into Faxon Firearms barrels from the start. We start with the best materials, either certified 4150 Mil-Spec steel or 416-R Stainless. From there, each barrel goes through a...

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 Firearms Match Series 20" FLAME Fluted .223 Wylde Rifle-Length 416-R Stainless Nitride / Melonite 5R Nickel Teflon Extension Barrel 1:8 Twist Faxon's MATCH SERIES of barrels takes our renowned performance and value up a notch. Manufactured 100%...

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...

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 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...