Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 16 in Barrel Custom Mid Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider Radian

Primary Weapons Mk116 Mod 2-M 223 Wylde Complete Upper Receiver - Mk116 Mod 2-M 223 Wylde 16.1" Bbl

MK116 MOD 2-M 223 Wylde Complete Upper SPECIFICATIONS: Operating System: PWS Long Stroke Piston System with 3-Setting Adjustable Gas System Caliber: .223 Wylde Barrel Length: 16.1" 41V50 Steel Gas System Length: Mid-Length Barrel Twist Rate: 1:8 Muzzle... ... more

Primary Weapons Mk114 Mod 1-M 223 Wylde Complete Upper Receiver - Mk114 Mod 1-M 223 Wylde 14.5" Bbl

MK114 MOD 1-M 223 Wylde Complete Upper Receiver SPECIFICATIONS: Operating System: PWS Long Stroke Piston System, 3 setting Adjustable Gas Regulator Caliber: .223 Wylde Barrel Length: 14.5" 41V50 Steel Gas System Length: Mid-Length Barrel Twist Rate:... ... more

Primary Weapons Mk107 Mod 1-M 223 Wylde Complete Upper Receiver - Mk107 Mod 1-M 223 Wylde 7.75" Bbl

MK107 MOD 1-M 223 Wylde Complete Upper Receiver SPECIFICATIONS: Operating System: PWS Long Stroke Piston System, 3 Setting Adjustable Gas Regulator Caliber: .223 Wylde Barrel Length: 7.75" Gas System Length: Pistol Barrel Twist Rate: 1:8 Muzzle... ... more

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 16 in Barrel Custom Mid Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider OD Green

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 16 in Barrel Custom Mid Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider OD Green. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed... ... more

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 16in Mid-Length Barrel 1-8 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 16in Mid-Length Barrel 1-8 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized. The R-ONE handguards are designed with size and weight in mind while still providing plenty of... ... more

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 10.5 in Barrel Custom Carbine Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider FDE

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 10.5 in Barrel Custom Carbine Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider FDE. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed... ... more

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 16in Mid-Length Barrel 1-8 Twist A2 Flash Hider ATLAS R-ONE Handguard FDE Cerakote

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 16in Mid-Length Barrel 1-8 Twist A2 Flash Hider ATLAS R-ONE Handguard FDE Cerakote. The R-ONE handguards are designed with size and weight in mind while still providing plenty of... ... more

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 16 in Barrel Custom Carbine Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider Radian

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 16 in Barrel Custom Carbine Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider Radian. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed... ... more

Aero Precision Complete Upper Receiver M4E1-T .223 Wylde 16in SPR - Fluted Mid Length 1 in 8 1/2 x 28 15in A2 Flash Hider Cerakote FDE APAR700715M50

Aero Precision Complete Upper Receiver M4E1-T .223 Wylde 16in SPR - Fluted Mid Length 1 in 8 1/2 x 28 15in A2 Flash Hider Cerakote FDE APAR700715M50. The R-ONE handguards are designed with size and weight in mind while still providing plenty of... ... more

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 10.5 in Barrel Custom Carbine Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 10.5 in Barrel Custom Carbine Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed utility... ... more

FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver 17.75 inch 9 inch Barrel Pistol Length 1-8 Twist 1/2x28 Thread Free-Float Nitride Black

FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver 17.75 inch 9 inch Barrel Pistol Length 1-8 Twist 1/2x28 Thread Free-Float Nitride Black. Specifications for FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver: Manufacturer: FM... ... more

Aero Precision Complete Upper Receiver M4E1-E 16in .223 Wylde SS Mid Barrel Quantum 12in M-LOK Handguard Flat Dark Earth APAR640114M9

Aero Precision Complete Upper Receiver M4E1-E 16in .223 Wylde SS Mid Barrel Quantum 12in M-LOK Handguard Flat Dark Earth APAR640114M9. Key features include the addition of built in anti-rotation tabs removable 4-slot picatinny rail section for front... ... more

Aero Precision M4E1-T Complete Upper .223 Wylde 16in Mid Length 1/8 15in M-LOK AR15 ATLAS S-ONE A2 FDE APAR700315M72

Aero Precision M4E1-T Complete Upper .223 Wylde 16in Mid Length 1/8 15in M-LOK AR15 ATLAS S-ONE A2 FDE APAR700315M72. The R-ONE handguards are designed with size and weight in mind while still providing plenty of real-estate to accommodate any... ... more

Aero Precision Complete Upper Receiver M4E1-T .223 16in Wylde Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700305M9

Aero Precision Complete Upper Receiver M4E1-T .223 16in Wylde Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700305M9. The S-ONE line of handguards are designed with size and weight in mind providing the perfect addition to your lightweight... ... more

Aero Precision M4E1-T Complete Upper Receiver 16in .223 Wylde Fluted Barrel ATLAS R-ONE 15in M-Lok Handguard Anodized Black APAR700705M50

Aero Precision M4E1-T Complete Upper Receiver 16in .223 Wylde Fluted Barrel ATLAS R-ONE 15in M-Lok Handguard Anodized Black APAR700705M50. 223 Wylde fluted barrel and the ATLAS R-ONE M-LOK handguard. This barreled upper receiver group does not include... ... more

Aero Precision Complete Upper Receiver M4E1-T .223 Wylde 18in SPR - Fluted Rifle Length 1 in 8 1/2 x 28 15in A2 Flash Hider Cerakote FDE APAR700715M51

Aero Precision Complete Upper Receiver M4E1-T .223 Wylde 18in SPR - Fluted Rifle Length 1 in 8 1/2 x 28 15in A2 Flash Hider Cerakote FDE APAR700715M51. The R-ONE handguards are designed with size and weight in mind while still providing plenty of... ... more

Aero Precision AR15 No FA Complete Upper 16in .223 Wylde Fluted Barrel Mid-Length 15in M-LOK ATLAS S-ONE HG Anodized Black APAR610505M50

Aero Precision AR15 No FA Complete Upper 16in .223 Wylde Fluted Barrel Mid-Length 15in M-LOK ATLAS S-ONE HG Anodized Black APAR610505M50. 223 Wylde Fluted Barrel Complete Upper Receiver. These AR15 Upper Receivers developed by Aero Precision are only... ... more

Aero Precision AR15 No FA Complete Upper 16in .223 Wylde Fluted Barrel Mid-Length 15in M-LOK ATLAS R-ONE HG Anodized Black APAR610605M50

Aero Precision AR15 No FA Complete Upper 16in .223 Wylde Fluted Barrel Mid-Length 15in M-LOK ATLAS R-ONE HG Anodized Black APAR610605M50. 223 Wylde Fluted Barrel Complete Upper Receiver. These AR15 Upper Receivers developed by Aero Precision are only... ... more

Rock River Arms Completed Upper Receiver FESP .223 Wylde 16 Inch Barrel Mid Lenght Profile 1-8 Twist 1/2-28 Thread Free-Float Handguard Brake Black

Rock River Arms Completed Upper Receiver FESP .223 Wylde 16 Inch Barrel Mid Lenght Profile 1-8 Twist 1/2-28 Thread Free-Float Handguard Brake Black. 223 Wylde Completed Upper. These AR15 Upper Receivers through the skilled product professionals at Rock... ... more

Aero Precision M4E1 Complete Upper .223 Wylde 16in Mid Length 1/8 EM-15 Gen2 A2 FDE APAR600252M72

Aero Precision M4E1 Complete Upper .223 Wylde 16in Mid Length 1/8 EM-15 Gen2 A2 FDE APAR600252M72. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual appeal and a new profile for the... ... more

Rock River Arms Completed Upper Receiver Elite Carbine A4 .223/5.56mm 16 Inch Barrel 1-9 Twist Mid-Length Profile 1/2-28 Thread A2 Flash Hider Black

Rock River Arms Completed Upper Receiver Elite Carbine A4 .223/5.56mm 16 Inch Barrel 1-9 Twist Mid-Length Profile 1/2-28 Thread A2 Flash Hider Black. 223/5.56mm Completed Upper then you have arrived at the right spot.. These AR15 Upper Receivers... ... more

Aero Precision M4E1 Threaded .223 Wylde w/ ATLAS R-ONE Handguard Complete Upper Receiver 18 inch Barrel 1-8 Twist A2 Flash Hider Anodized Black

Aero Precision M4E1 Threaded .223 Wylde w/ ATLAS R-ONE Handguard Complete Upper Receiver 18 inch Barrel 1-8 Twist A2 Flash Hider Anodized Black. The R-ONE handguards are designed with size and weight in mind while still providing plenty of real-estate... ... more

Aero Precision M4E1 Complete Upper Receiver .223 Wylde Mid Barrel EM-12 HG No BCG/Charging Handle Gen 2 FDE Cerakote 16in APAR600232M9

Aero Precision M4E1 Complete Upper Receiver .223 Wylde Mid Barrel EM-12 HG No BCG/Charging Handle Gen 2 FDE Cerakote 16in APAR600232M9. These AR15 Upper Receivers from the trendsetters at Aero Precision comes fully assembled so that you can lock in and... ... more

Rock River Arms Upper Receiver A4 .223 Wylde 16 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0500

Rock River Arms Upper Receiver A4 .223 Wylde 16 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0500. 223 Wylde Completed Upper was created to be the ideally suited product for anybody looking for an outstanding option.. These AR15... ... more

Rock River Arms Completed Upper Receiver Predator Pursuit .223 Wylde 16 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0572

Rock River Arms Completed Upper Receiver Predator Pursuit .223 Wylde 16 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0572. 223 Wylde Completed Upper was developed in order to be the ideally suited item for any person looking for... ... more

Aero Precision Complete Upper Receiver M4E1-T .223 Wylde 18in Government Rifle Length 1 in 8 1/2 x 28 15in A2 Flash Hider Cerakote FDE APAR700715M42

Aero Precision Complete Upper Receiver M4E1-T .223 Wylde 18in Government Rifle Length 1 in 8 1/2 x 28 15in A2 Flash Hider Cerakote FDE APAR700715M42. The R-ONE handguards are designed with size and weight in mind while still providing plenty of... ... more

Rock River Arms Completed Upper Receiver Mid-Length A4 .308/7.62X51mm NATO 16 Inch Barrel 1-10 Twist 5/8-24 Thread Mid-Length Handguard A2 Flash Hider

Rock River Arms Completed Upper Receiver Mid-Length A4 .308/7.62X51mm NATO 16 Inch Barrel 1-10 Twist 5/8-24 Thread Mid-Length Handguard A2 Flash Hider. 308/7.62X51mm NATO Completed Upper. Formulated by using several of the most extremely robust and... ... more

Aero Precision Complete Upper Receiver M4E1-T .223 18in Wylde Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700305M42

Aero Precision Complete Upper Receiver M4E1-T .223 18in Wylde Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700305M42. The S-ONE line of handguards are designed with size and weight in mind providing the perfect addition to your... ... more

Aero Precision Complete Upper Receiver M4E1-T .223 18in Wylde Fluted Barrel 15in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth APAR700315M51

Aero Precision Complete Upper Receiver M4E1-T .223 18in Wylde Fluted Barrel 15in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth APAR700315M51. 223 Wylde fluted barrel complete with an ATLAS handguard The upper receiver is enhanced with new... ... more

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 14.5 in Barrel Custom Mid Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider FDE R0466

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 14.5 in Barrel Custom Mid Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider FDE R0466. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed... ... more

Aero Precision Complete Upper Receiver M4E1-T .223 18in Wylde Barrel 15in M-LOK ATLAS S-ONE Handguard Flat Dark Earth APAR700315M42

Aero Precision Complete Upper Receiver M4E1-T .223 18in Wylde Barrel 15in M-LOK ATLAS S-ONE Handguard Flat Dark Earth APAR700315M42. The S-ONE line of handguards are designed with size and weight in mind providing the perfect addition to your... ... more

Midwest Industries Upper Receiver Group 16 inch Barrel .223 Wylde 15 inch Combat Series M-LOK Handguard Mid-Length A2 Flash Hider Black MI-N16CRM15-U

Midwest Industries Upper Receiver Group 16 inch Barrel .223 Wylde 15 inch Combat Series M-LOK Handguard Mid-Length A2 Flash Hider Black MI-N16CRM15-U. Specifications for Midwest Industries .223 Wylde Upper Receiver w/Combat M-LOK Handguard:... ... more

Aero Precision Complete Upper Receiver M4E1-T .223 16in Wylde Barrel 12in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700304M9

Aero Precision Complete Upper Receiver M4E1-T .223 16in Wylde Barrel 12in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700304M9. The S-ONE line of handguards are designed with size and weight in mind providing the perfect addition to your lightweight... ... more

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 16in Mid-Length Barrel 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 16in Mid-Length Barrel 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized. Specifications for Aero Precision M4E1 16in 5.56 ATLAS R-ONE M-LOK Complete Upper Receiver with Flash... ... more

Aero Precision M4E1 Complete Upper .223 Wylde 16in Mid Length 1/8 EM-15 Gen2 A2 Anodize Black APAR600251M72

Aero Precision M4E1 Complete Upper .223 Wylde 16in Mid Length 1/8 EM-15 Gen2 A2 Anodize Black APAR600251M72. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual appeal and a new profile for... ... more

Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 16 Inch Barrel Mid-Length Profile 1-9 Twist 1/2-28 Thread A2 Flash Hider Black AR0375B

Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 16 Inch Barrel Mid-Length Profile 1-9 Twist 1/2-28 Thread A2 Flash Hider Black AR0375B. 223/5.56mm Completed Pistol Upper. These AR15 Upper Receivers through the skilled product... ... more

Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 16 Inch Barrel Mid-Length Profile 1-9 Twist 1/2-28 Thread A2 Flash Hider w/Gas Block

Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 16 Inch Barrel Mid-Length Profile 1-9 Twist 1/2-28 Thread A2 Flash Hider w/Gas Block. 223/5.56mm Completed Pistol Upper. These AR15 Upper Receivers through the skilled product professionals... ... more