AR-15 Upper Parts

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 Core Phosphate/Chrome-Lined Rifle Length Barrel Enhanced Balance, Durability, and Performance for Tactical Applications The Criterion CORE Series 20" .223 Wylde Phosphate/Chrome-Lined Barrel is engineered for the modern...

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 Phosphate/Chrome-Lined Rifle Length Barrel Enhanced Rigidity and Heat Absorption for Superior Performance Under Rapid Fire. The Criterion Barrels 20" .223 Wylde HBAR Phosphate/Chrome-Lined Rifle Length Barrel is...

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 Nitride Rifle Length Barrel Balanced, Durable, and Accurate - Perfect for Field Use and High Rates of Fire The Criterion Barrels 20" .223 Wylde Hybrid Nitride Rifle Length Barrel is a popular choice among shooters...

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...

Cross Machine Tool .22 Tactical ZCOMP Linear Compensator - 1/2-28 Cross Machine Tool's  ZCOMP™ LINEAR 556 provides forward directional muzzle blast control desired on rifles with shorter barrels. The outer diameter fluting and...

Cross Machine Tool .30 Tactical ZCOMP Linear Compensator - 5/8-24 Cross Machine Tool's  ZCOMP™ LINEAR .30 provides forward directional muzzle blast control desired on rifles with shorter barrels. The outer diameter fluting and...

Cross Machine Tool J.A.G. Gas Block - .750" - Set Screw Style The Just A Gas Block line of gas blocks provide a high quality, affordable component that is beautifully machined and finished. The J.A.G. is a low-profile AR-15/10 gas block compatible with...

Cross Machine Tool Ultra Precision AR-15 Billet Upper Receiver - No Forward Assist Cross Machine Tool Co., utilizing the latest machining technologies, offers high quality products that you’ll be excited to own.The Ultra Precision Upper Receiver is...

Cross Machine Tool UPUR-1A Big Bore Billet AR-15 Upper Receiver Looking for something to change up the standard AR-15 formula? This Cross Machine Tool Ultra Precision Upper Receiver is designed for a .458 SOCOM build by enlarging the ejection port and...

Cross Machine Tool UPUR-1LH Billet Left Handed AR-15 Upper Receiver Are you left handed? Tired of having to deal with ejected shell casing and hot gas exploding right in front of your face? Well, maybe it is time to build a dedicated left handed AR-15...

Cross Machine Tool UPUR-3 Big Bore Billet AR-15 Upper Receiver - Slick Side No Dust Cover Looking for something to change up the standard AR-15 formula? This Cross Machine Tool Ultra Precision Upper Receiver is designed for big bore AR-15 calibers and...

Diamondback Firearms 18" 6.5 Grendel AR 15 Barrel At Diamondback, they are able to produce barrels that meet the shooters requirements. Their barrel blanks are made from premium materials and machined using some of the finest equipment on the market...

Dirty Bird AR-15 2-Piece Drop-In Quad Rail The Dirty Bird AR-15 2-Piece Drop-In Quad Rail is a 2-piece, non-free floating upgrade that installs in seconds for your AR-15. The Dirty Bird 2-Piece Quad rail makes use of the rifle's classic, mil-spec...

Dirty Bird AR-15 ASAL Free Float Quad Rail The Dirty Bird Free Float Quad Rail is a no-nonsense American Made rail system designed for versatility and simplicity. It features a monolithic top rail and is precision machined from 6061-T6 aluminum...

Dirty Bird AR-15 Cerro Forged Stripped Upper Receiver The Dirty Bird Industries AR-15 Cerro Forged Stripped Upper Receiver is precision machined to M16/M4 Mil-Spec using top quality Cerro Forgings. They are then finished with a uniform...

Dirty Bird AR-15 Forward Assist Kit Mil-spec AR-15 / AR-308 Forward Assist Assembly Kit sourced from Top Tier Supplier of Military and OEM Manufacturers. Features a tool steel forward assist pawl and press fit and pinned cap. Includes forward assist...

Dirty Bird AR-15 Upper Receiver Parts Kit Includes: Forward Assist Assembly Forward Assist Spring Forward Assist Roll Pin Ejection Port Cover Door Ejection Port Cover Rod with c-clip Ejection Port Cover Spring

Dirty Bird Dedicated 22 LR Stainless Steel Bolt Carrier Group The Dirty Bird 22LR Bolt Carrier Group is perfect for an easy conversion to a dedicated .22LR setup and works with CMMG components. Our 22 LR BCG also works with Black Dog Machine...

Edgar Sherman Design Enhanced Foregrip 1.5 - Multicam Black The ESD EFG (Enhanced Fore Grip) was designed to ease end-users ability to control their rifle, mitigate recoil, and have faster, more accurate follow-through. From the angle of the ESD EFG to...

Ergo Grip Surestop Tactical Rail Handstop ERGO's AR-15 Surestop Tactical Picatinny Rail Hand Stop is useful on short barrel rifles and shotguns. Short barrel rifles and shotguns leave you guessing where to place your hand and this hand stop can act as a...

Ergo M-LOK Enhanced Angle Grip Enhanced Control and Versatility for Your AR Build. The Ergo M-LOK Enhanced Angle Grip is designed to provide superior control and versatility for shooters looking to optimize their AR platform. Machined from black anodized...

Ergo M-LOK Hand Stop/Barricade Stop Black Aggressive textured front for enhanced traction on barricades and obstacles. Low profile base can also function as a comfortable hand stop. Features: Aggressive textured front for enhanced traction on barricades...

Ergo MINi-MAX XPRESS Lever Aluminum VFG Black ERGO MINI-MAX XPRESS Lever Vertical Forward Grip with a 3” length in Black. This VFG is the most versatile available. Can serve as a traditional VFG or angled forward grip or even as a forward handstop...

Ergo Modular M-LOK Rail System 1pc Comes standard with a 3-pack of M-LOK or KeyMod Rail covers in black and an 18 slot ladder in black for the Picatinny Rail. 6061 T6 Construction, Type III Black Hard-Coat Anodized. CNC machined lightweight one piece...

Ergo SuperLite Modular M-LOK Rail System 1pc The ERGO SuperLite Free Float Modular M-LOK Rail System provides a 1.8" outside diameter and a compact 1.37" inside diameter designed to create a clean and sleek profile. Ventilation cutouts aid in rapid...

F-1 Firearms 16" .223 Wylde Spiral Fluted Barrel Elevate your shooting experience with the F-1 Firearms 16" .223 Wylde Spiral Fluted Barrel. Crafted from 416 twice-stress-relieved steel, this barrel delivers exceptional accuracy and reliability...

F-1 Firearms DuraBolt 7.62 NATO Bolt Carrier Group Assembly - Chrome Nitride Experience superior performance and reliability with the F-1 Firearms DuraBolt 7.62 NATO Bolt Carrier Group Assembly in Chrome Nitride. This bolt carrier group is engineered to...

F-1 Firearms DuraBolt AR 15 Bolt Carrier Group Assembly - DLC Finish Experience optimal reliability and performance with the F-1 Firearms DuraBolt AR 15 Bolt Carrier Group Assembly, featuring a DLC finish. This full-auto-rated bolt carrier group ensures...

F-1 Firearms P7 15" AR 15 M-LOK Handguard Upgrade your AR-15 with the F-1 Firearms P7 15" AR 15 M-LOK Handguard. With its M-LOK mounting system and versatile slots on the bottom and sides, this AR 15 handguard offers convenient customization options. It...

FailZero EXO 5.56/.223 M16 Bolt Carrier Group - Black Nitride Not all Nickel Boron is created equal and FailZero is the undisputed pioneer of Nickel Boron technology. When failure is not an option, you can depend on FailZero.The M16 Bolt Carrier Group is...

FailZero EXO 5.56/.223 M16 Bolt Carrier Group - Nickel Boron Not all Nickel Boron is created equal and FailZero is the undisputed pioneer of Nickel Boron technology. When failure is not an option, you can depend on FailZero. The M16 Bolt Carrier Group is...

FailZero EXO 9mm Bolt Carrier Group Black Nitride This 9mm Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most 9mm AR platform rifles and pistols. The FailZero Black Nitride 9mm BCG is compatible with both lowers designated for...

Faxon .620" SLIM 3 Port Muzzle Brake, Steel, QPQ Nitride The Faxon Slim 3-Port Muzzle Brake solves a problem that has plagued legal firearms owners for years. When taking a barrel to the minimum legal limit with a permanently attached muzzle...

Faxon 10.5", Light Tapered, 10mm SAAMI, No Gas Port, 4150 QPQ Nitride Manufactured in-house, these barrels are fully stress relieved, air-gauge tested, and 11 degree target crowned to ensure superior accuracy. Quality is imbued into our barrels from the...

Faxon 14.5" Gunner Profile AR15 Barrel, 556 NATO, Pinned Gas Block If you're looking for a more robust mounting method for your gas block... look no further. Pinning your gas block, in addition to the use of set screws, gives the user the extra piece of...

Faxon 16" Gov't/Socom Profile AR15 Barrel, 556 NATO, Pinned Gas Block If you're looking for a more robust mounting method for your gas block... look no further. Pinning your gas block, in addition to the use of set screws, gives the user the extra piece...