AR uppers are the upper receiver assemblies used to house key components such as the barrel, handguard, and bolt carrier group interface on compatible AR-platform rifles. They are commonly used in new builds, caliber changes, barrel length changes, repairs, and overall rifle upgrades. Different AR upper configurations can affect handling, compatibility, weight, and intended use depending on the setup. This category includes AR uppers built for proper fit, dependable function, and practical everyday performance.
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Tandemkross TK18N0569BLK1 TKX22 Receiver for Firearm Compatibility
TANDEM KROSS$164.99TANDEMKROSS TK18N0569BLK1 TANDEMKROSS TKX22 REC Tandemkross TK18N0569BLK1 TKX22 Receiver for Firearms The Tandemkross TKX22 Receiver is designed specifically for use with compatible firearms, offering precise fit and reliable performance. Constructed... -
Andro Corp Industries ACI U5568ML 8-Inch NATO M-LOK Upper Receiver
ANDRO CORP INDUSTRIES$424.99ACI U5568ML 556 8" NATO MLOK UPPER Andro Corp Industries ACI U5568ML 8-Inch NATO M-LOK Upper Receiver The Andro Corp Industries ACI U5568ML is an 8-inch NATO standard M-LOK upper receiver designed for AR-style rifles. Made from durable... -
Andro Corp Industries ACI U556103ML 556 NATO 10.3-Inch MLOK Upper Receiver
ANDRO CORP INDUSTRIES$429.99ACI U556103ML 556 10.3" NATO MLOK UPPER Andro Corp Industries ACI U556103ML 556 NATO 10.3-Inch MLOK Upper Receiver The Andro Corp Industries ACI U556103ML is a 10.3-inch NATO specification upper receiver designed for AR-15 style firearms chambered in... -
Andro Corp Industries ACI U55616ML 5.56 NATO 16-Inch MLOK Upper Receiver
ANDRO CORP INDUSTRIES$446.99ACI U55616ML 556 16" NATO MLOK UPPER Andro Corp Industries ACI U55616ML 5.56 NATO 16-Inch MLOK Upper Receiver The Andro Corp Industries ACI U55616ML is a 16-inch NATO chamber upper receiver designed for AR-15 style rifles. Constructed with... -
Andro Corp Industries ACI U3008ML 300 Blackout 8-Inch MLOK Upper Receiver
ANDRO CORP INDUSTRIES$446.99ACI U3008ML 300BO 8" MLOK UPPER Andro Corp Industries ACI U3008ML 300 Blackout 8-Inch MLOK Upper Receiver The Andro Corp Industries ACI U3008ML is an 8-inch upper receiver chambered in 300 Blackout, designed for AR-15 platform rifles. Constructed... -
Andro Corp Industries ACI U30010ML 300 Blackout 10-inch M-LOK Upper
ANDRO CORP INDUSTRIES$450.99ACI U30010ML 300BO 10" MLOK UPPER Andro Corp Industries ACI U30010ML 300 Blackout 10-inch M-LOK Upper The Andro Corp Industries ACI U30010ML is a 10-inch AR-15 upper receiver chambered in 300 Blackout. Designed with precision machining and durable... -
Andro Corp Industries ACI U30016ML 300 Blackout 16-Inch M-LOK Upper Receiver
ANDRO CORP INDUSTRIES$459.99ACI U30016ML 300BO 16" MLOK UPPER Andro Corp Industries ACI U30016ML 300 Blackout 16-Inch M-LOK Upper Receiver The Andro Corp Industries ACI U30016ML is a high-quality 16-inch upper receiver designed for 300 Blackout carbines. Crafted with... -
One Horse LLC OH-UR02 AR-15 A3 Stripped Upper Receiver
One Horse LLC$55.99ONE OH-UR02 AR15 A3 STRIPPED UPPER RCVER One Horse LLC OH-UR02 AR-15 A3 Stripped Upper Receiver The One Horse LLC OH-UR02 is a stripped upper receiver designed for AR-15 A3 platform firearms. Crafted from high-quality materials, this upper provides a... -
Redfield STT 10.5-inch Everything But Low Rise Scope Mount in Black
REDFIELD$980.99STT EBTLK-10.5-BLK STT 10.5"EVERYTHING BUT LOWR Redfield STT 10.5-inch Everything But Low Rise Scope Mount in BlackThe Redfield STT 10.5-inch scope mount is designed to provide a secure and stable platform for mounting optics on your firearm. Crafted... -
Redfield STT 11.5-Inch Everything But Lower Black
REDFIELD$980.99STT EBTLK-11.5-BLK STT 11.5"EVERYTHING BUT LOWR Redfield STT 11.5-Inch Everything But Lower BlackThe Redfield STT 11.5-Inch Everything But Lower (EBTLK-11.5-BLK) is a versatile firearm component designed to enhance your rifle's performance. Crafted... -
Redfield STT 16-Inch Everything But Lower Rifle Barrel Black
REDFIELD$980.99STT EBTLK-16-BLK STT 16" EVERYTHING BUT LOWR Redfield STT 16-Inch Everything But Lower Rifle BarrelThe Redfield STT 16-Inch barrel is designed for precision and durability, making it suitable for various firearm applications. Crafted to meet high... -
Faxon Firearms Duty 5.56 Rifle Barrel 16 Inch Stainless Steel
FAXON FIREARMS$797.99FAXON FXURGD55616SA13CSR DUTY 556 16 SR UPP Faxon Firearms Duty 5.56 Rifle Barrel The Faxon Firearms FXURGD55616SA13CSR is a high-quality 16-inch rifle barrel designed for reliable performance and durability. Crafted for AR-15 style rifles, this... -
FAXON Firearms Match 6ARC 16-inch Stainless Rifle Upper
FAXON FIREARMS$863.99FAXON FXURGM6A16GA15CSR MATCH 6ARC 16 SR UPP FAXON Firearms Match 6ARC 16-inch Stainless Rifle Upper The FAXON FXURGM6A16GA15CSR is a high-quality rifle upper designed for precision shooting and reliable performance. Crafted with attention to... -
FAXON Firearms FXURGM6A125GA1075CSR Match .6 Arc 12.5-inch Rifle Barrel
FAXON FIREARMS$863.99FAXON FXURGM6A125GA1075CSR MATCH 6ARC 12.5 SR UPP FAXON Firearms FXURGM6A125GA1075CSR Match .6 Arc Rifle BarrelThe FAXON Firearms FXURGM6A125GA1075CSR is a precision-made rifle barrel designed specifically for demanding shooters and firearm enthusiasts... -
Faxon Firearms Match 65 Grain 16-Round Slim Rifle Magazine
FAXON FIREARMS$863.99FAXON FXURGM65G16GA15CSR MATCH 65GR 16 SR UPP Faxon Firearms Match 65 Grain 16-Round Slim Rifle Magazine This magazine is designed for reliable feeding and durability in modern sporting rifles. It features a slim profile to fit seamlessly into your... -
One Horse LLC AR-15 A3 Stripped Upper Receiver in White
One Horse LLC$52.99ONE OH-UR01 AR15 A3 STRIPPED UPPER RCVER WHITE The One Horse LLC OH-UR01 AR-15 A3 stripped upper receiver is a versatile component designed for building or customizing your AR-15 platform. Crafted for durability and precision, this upper provides a... -
One Horse LLC OH-UPK01 Upper Parts Kit with Dust Cover and Forward Assembly
One Horse LLC$20.99ONE OH-UPK01 UPPER PARTS KIT DST CVR/FRWRD ASST The One Horse LLC OH-UPK01 Upper Parts Kit is a comprehensive set designed to enhance or replace key components of your firearm's upper receiver assembly. This kit includes essential parts such as a dust... -
One Horse LLC 15-inch M-LOK Handguard
One Horse LLC$63.99ONE OH-HG01 15" M-LOK HANDGUARD The One Horse LLC OH-HG01 is a 15-inch M-LOK handguard designed for AR-15 style rifles. Crafted to provide a versatile and lightweight solution, this handguard offers enhanced control and customization options for... -
One Horse LLC OH-HG02 10-inch M-LOK Handguard
One Horse LLC$57.99ONE OH-HG02 10" M-LOK HANDGUARD The One Horse LLC OH-HG02 is a 10-inch M-LOK handguard designed for enhanced firearm handling and customization. Crafted from durable materials, this handguard provides a secure and stable platform for mounting... -
One Horse LLC OH-HG03 7-Inch M-LOK Handguard
One Horse LLC$56.99ONE OH-HG03 7" M-LOK HANDGUARD The One Horse LLC OH-HG03 7-Inch M-LOK Handguard is a durable and lightweight accessory designed to enhance the functionality and customization of your rifle. Crafted from high-quality materials, this handguard provides... -
Primary Weapons MK1-M2U-6ARC 14.5-inch Upper Assembly
Primary Weapons$1,399.99PWS MK1-M2U-6ARC14 MK114 MOD2 UPPR 6ARC 14.5 The Primary Weapons MK1-M2U-6ARC 14.5-inch upper assembly is designed to enhance your firearm's performance and reliability. Crafted with precision, this upper includes the MK114 MOD2 upper receiver and... -
Primary Weapons MK1-M2U-6ARC 18 Upper
Primary Weapons$1,399.99PWS MK1-M2U-6ARC18NC MK118 MOD2 UPPR 6ARC 18 The Primary Weapons MK1-M2U-6ARC 18 Upper is a high-performance firearm component designed for reliable and precise shooting. Crafted to enhance your rifle's capabilities, this upper receiver features... -
LANTAC USA M-Spec Upper Parts Kit for AR-15
LANTAC USA$23.99LANTAC 01-PKIT-UP M-SPEC UPK. AR15 The LANTAC USA M-Spec Upper Parts Kit is designed to provide everything needed for building or upgrading your AR-15 rifle. This comprehensive kit includes high-quality components that ensure reliable performance and... -
Luth-AR UR-01-E3-SA Assembled A1 Upper Receiver for AR-15 223 Rem/5.56 NATO
Luth-AR$202.99Luth-ar UR-01-E3-SA A1 Upper Receiver 223/5.56mm Aluminum Black Hardcoat Anodize Receiver The Luth-AR UR-01-E3-SA assembled A1 upper receiver is crafted from durable 7075-T6 aluminum forgings, precision-machined to meet military specifications. This... -
LUTH-AR UR-01-M16 Stripped M16 A1 Upper Receiver with Black Hardcoat Anodize and 223 Rem/5.56 NATO
Luth-AR$164.99Luth-ar UR-01-M16 A1 Stripped Upper Receiver 223/5.56mm Aluminum Black Hardcoat Anodize Receiver for M16 The LUTH-AR UR-01-M16 is a high-quality stripped upper receiver modeled after the classic M16 A1 design, renowned for its lightweight and reliable... -
LUTH-AR 308-FTT-EA1 Aluminum A3 Upper Receiver for .308 Cal with Picatinny Rail and Hard Coat Anodized Finish
Luth-AR$169.99Luth-ar 308-FTT-EA1 A3 Upper Receiver 308Cal Aluminum Black Hardcoat Anodize Receiver The LUTH-AR 308-FTT-EA1 aluminum A3 upper receiver is designed for reliable performance and durability in .308 caliber rifles. Machined from high-quality 6061-T6... -
TacFire BU-308-10 10-Inch .308 Winchester Built Upper Receiver with BCG
TacFire$485.99TACFIRE BU-308-10 10" 308W BUILT UPPER W/BCG The TacFire BU-308-10 upper receiver is designed for reliable performance with a 10-inch barrel chambered in .308 Winchester. Crafted with precision, this upper includes a bolt carrier group (BCG) for easy... -
DPMS Panther Arms 16 Inch 5.56 NATO Chrome Moly Vanadium M4 Barrel with 13.5 Inch M-LOK Handguards
DPMS PANTHER ARMS$379.99DPMS 16" 5.56 NATO 13.5" M-LOK Upper / DP51655120177 The DPMS DP51655120177 complete upper is built for shooters looking for a ready-to-install AR-platform upper chambered in 5.56 NATO. Featuring a 16-inch barrel and a 13.5-inch M-LOK handguard, this... -
DPMS Panther Arms Kitty Kat 300 Blackout AR-15 Upper Receiver and Barrel Assembly
DPMS PANTHER ARMS$379.99Dpms Panther Arms DP51655170308 Kitty Kat 300Blackout 7.50" Black Nitride Barrel Aluminum DPMS 6.5" Quad Rail Handguard The DPMS Panther Arms Kitty Kat 300 Blackout upper receiver and barrel assembly is designed for reliable performance and durability... -
DPMS Panther Arms Kitty Kat 556 AR-15 Rifle Upper & Barrel Kit 5.56 NATO 7.5 inch Black Nitride
DPMS PANTHER ARMS$389.99Dpms Panther Arms DP51655207090 Kitty Kat 5.56 NATO 7.50" Black Nitride Barrel Aluminum DPMS 6.5" Quad Rail Handguard The DPMS Panther Arms Kitty Kat 556 AR-15 upper receiver and barrel kit is designed for shooters seeking a compact and reliable firearm... -
![LUTH-AR HG-LW15M LW Palm Handguard Vented 15" M-LOK Aluminum Black Hardcoat Anodize](https://cdn11.bigcommerce.com/s-vpqoeli6us/images/stencil/600x600/products/3408/7433/5612480__35956.1775013279.jpg?c=1 "LUTH-AR HG-LW15M LW Palm Handguard Vented 15" M-LOK Aluminum Black Hardcoat Anodize")
LUTH-AR HG-LW15M LW Palm Handguard Vented 15" M-LOK Aluminum Black Hardcoat Anodize
Luth-AR$95.99Luth-ar HG-LW15M Palm Handguard Aluminum Black Hardcoat Anodize Receiver The LUTH-AR HG-LW15M LW Palm Handguard is designed for use with AR rifles, offering a durable and lightweight aluminum construction. The vented design enhances airflow and heat... -
LUTH-AR 308-HG-WB15 308 Widebody Hand Guard with Picatinny Rail and M-LOK Slots
Luth-AR$108.99Luth-ar 308-HG-WB15 Widebody Handguard 308/7.62mm The LUTH-AR 308-HG-WB15 308 Widebody Hand Guard is designed to provide a stable platform for precision shooting and support accessories. Its expanded base surface enhances stability when shooting off... -
LUTH-AR UR-01-M16-A M16 A1 Upper Receiver 223 Rem/5.56 NATO Aluminum Black Hardcoat Anodize
Luth-AR$225.99Luth-ar UR-01-M16-A A1 Upper Receiver 223/5.56mm Aluminum Black Hardcoat Anodize Receiver for M16 The LUTH-AR UR-01-M16-A is a high-quality upper receiver designed for M16 and AR-15 platforms, chambered in 223 Rem/5.56 NATO. Crafted from durable aluminum... -
Radian Weapons R0898 Model 1 Complete Upper 6mm ARC 14.5" Black Nitride Steel Barrel with M-LOK Handguards
RADIAN WEAPONS$2,079.99Radian Weapons R0898 Model 1 Complete Upper 6mmARC Black Nitride Steel The Radian Weapons R0898 Model 1 Complete Upper is designed for precision shooters and firearm enthusiasts seeking reliable performance in a 6mm ARC platform. Featuring a durable... -
Radian Weapons R0903 Model 1 Complete Upper 6mm ARC 18 Inch Black Nitride Steel Barrel
RADIAN WEAPONS$2,169.99Radian Weapons R0903 Model 1 Complete Upper 6mmARC Black Nitride Steel The Radian Weapons R0903 Model 1 Complete Upper is designed for precision shooting with a durable 6mm ARC caliber and an 18-inch steel barrel finished in black nitride. This upper is... -
HK 51001892 MR762 A4 16 Upper Receiver Assembly 7.62x51mm Cold Hammer Forged Steel
HK$2,649.99HK 51001892 A4 Complete Upper Receiver Assembly 7.62x51mm Cold Hammer Forged Steel 16" The HK 51001892 MR762 A4 16 Upper Receiver Assembly is designed for reliable performance with 7.62x51mm caliber firearms. Crafted from cold hammer forged steel, this... -
HK 51001919 MR762 A4 13 Inch Complete Upper Receiver Assembly in 7.62x51mm
HK$2,649.99HK 51001919 A4 Complete Upper Receiver Assembly 7.62x51mm Cold Hammer Forged Steel 13" The HK 51001919 MR762 A4 13 Inch Complete Upper Receiver Assembly is designed for reliable performance with a 7.62x51mm caliber. Crafted from cold hammer forged steel,... -
TacFire HG27-10 10-Inch M-LOK Full Rail Handguard with QD Mount
TacFire$33.99TACFIRE HG27-10 10" MLOK F-FLT HNDGRD FULL RL QD The TacFire HG27-10 is a 10-inch M-LOK free-floating handguard designed for reliable attachment and enhanced weapon customization. Constructed for durability and ease of installation, this handguard... -
TacFire UP03 AR15 Billet Slick Upper Receiver Black Anodized
TacFire$60.99TACFIRE UP03 AR15 BILLET SLICK UPPER RCV The TacFire UP03 AR15 billet upper receiver is designed for precision and durability, crafted from high-quality billet aluminum finished with a sleek black anodized coating. Its streamlined design provides a... -
DPMS Panther Arms DP51655115745 18-Inch .308 Stainless Steel Upper Receiver with Bolt Carrier Group and Charging Handle
DPMS PANTHER ARMS$539.99DPMS DP51655115745 18"308 SS UPPER BCG&CH DPMS Panther Arms DP51655115745 18-Inch .308 Stainless Steel Upper Receiver with Bolt Carrier Group and Charging HandleThe DPMS Panther Arms DP51655115745 is an 18-inch stainless steel upper receiver...
