Rock River Arms Upper Receiver A4 .223 Wylde 24 Inch Barrel Varmint Profile 1-12 Twist Free-Float Handguard Black AR0576

Aagil Arms Complete AR-15 .223 WYLDE Upper Assembly 16in Barrel Length Carbine 1-7 Twist w/ 15in Clamp on Key Mod Cerakote Flat Dark Earth Medium

Aagil Arms Complete AR-15 .223 WYLDE Upper Assembly 16in Barrel Length Carbine 1-7 Twist w/ 15in Clamp on Key Mod Cerakote Flat Dark Earth Medium. 223 WYLDE. 16" Barrel. Carbine Gas System. 15" Key-Mod Handguard. OD Green Receiver and Handguard... ... more

Aagil Arms Complete AR-15 .223 Wylde Upper Assembly 16in Stainless Steel Length Carbine 1-8 Twist w/ 15in M-Lok Anodized Black Medium AA-C16S223C8K15

Aagil Arms Complete AR-15 .223 Wylde Upper Assembly 16in Stainless Steel Length Carbine 1-8 Twist w/ 15in M-Lok Anodized Black Medium AA-C16S223C8K15. This upper assembly is built on a robust steel 223 Wylde profile 16in barrel that features a... ... more

Aagil Arms Complete AR-15 .223 WYLDE Upper Assembly 16in Barrel Length Carbine 1-7 Twist w/ 15in Clamp on Key Mod Cerakote Robin Egg Blue Medium

Aagil Arms Complete AR-15 .223 WYLDE Upper Assembly 16in Barrel Length Carbine 1-7 Twist w/ 15in Clamp on Key Mod Cerakote Robin Egg Blue Medium. 223 WYLDE. 16" Barrel. Carbine Gas System. 15" Key-Mod Handguard. OD Green Receiver and Handguard... ... more

Aagil Arms Complete AR-15 .223 WYLDE Upper Assembly 16in Barrel Length Carbine 1-7 Twist w/ 15in Clamp on Key Mod Cerakote Olive Drab Green Medium

Aagil Arms Complete AR-15 .223 WYLDE Upper Assembly 16in Barrel Length Carbine 1-7 Twist w/ 15in Clamp on Key Mod Cerakote Olive Drab Green Medium. 223 WYLDE. 16" Barrel. Carbine Gas System. 15" Key-Mod Handguard. OD Green Receiver and Handguard... ... 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... ... more

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

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

Stag Arms AR-15 Covenant Right Hand Upper Receiver 6mm 16in Barrel BULL Profile 1-7 Twist 5/8-24 Thread VG6 Gamma Black STAG15102201

Stag Arms AR-15 Covenant Right Hand Upper Receiver 6mm 16in Barrel BULL Profile 1-7 Twist 5/8-24 Thread VG6 Gamma Black STAG15102201. Designed to be the ideal round for match shooting hunting and personal protection. To prevent any confusion the... ... more

Stag Arms AR-15 Covenant Right Hand Upper Receiver 6mm 18in Barrel BULL Profile 1-7 Twist 5/8-24 Thread VG6 Gamma Black STAG15102301

Stag Arms AR-15 Covenant Right Hand Upper Receiver 6mm 18in Barrel BULL Profile 1-7 Twist 5/8-24 Thread VG6 Gamma Black STAG15102301. Designed to be the ideal round for match shooting hunting and personal protection. To prevent any confusion the... ... more

Stag Arms AR-15 Covenant Left Hand Upper Receiver 6mm 16in Barrel BULL Profile 1-7 Twist 5/8-24 Thread VG6 Gamma Black STAG15112201

Stag Arms AR-15 Covenant Left Hand Upper Receiver 6mm 16in Barrel BULL Profile 1-7 Twist 5/8-24 Thread VG6 Gamma Black STAG15112201. Designed to be the ideal round for match shooting hunting and personal protection. To prevent any confusion the... ... more

Stag Arms AR-15 Covenant Left Hand Upper Receiver 6mm 18in Barrel BULL Profile 1-7 Twist 5/8-24 Thread VG6 Gamma Black STAG15112301

Stag Arms AR-15 Covenant Left Hand Upper Receiver 6mm 18in Barrel BULL Profile 1-7 Twist 5/8-24 Thread VG6 Gamma Black STAG15112301. Designed to be the ideal round for match shooting hunting and personal protection. To prevent any confusion the... ... more

Stag Arms AR-15 Covenant Left Hand Upper Receiver 6mm 20in Barrel BULL Profile 1-7 Twist 5/8-24 Thread VG6 Gamma Black STAG15112401

Stag Arms AR-15 Covenant Left Hand Upper Receiver 6mm 20in Barrel BULL Profile 1-7 Twist 5/8-24 Thread VG6 Gamma Black STAG15112401. Designed to be the ideal round for match shooting hunting and personal protection. To prevent any confusion the... ... more

Rock River Arms Completed Upper Receiver A4 9MM Luger 10.5 Inch Barrel 1-10 Twist 1/2-36 Thread R4 Handguard A2 Flash Hider Black 9MM0364B

Rock River Arms Completed Upper Receiver A4 9MM Luger 10.5 Inch Barrel 1-10 Twist 1/2-36 Thread R4 Handguard A2 Flash Hider Black 9MM0364B. . Formulated working with several of the very most robust and dependable materials available these AR15 Upper... ... more

Rock River Arms Completed Upper Receiver A4 9MM Luger 7 Inch Barrel 1-10 Twist 1/2-36 Thread Free-Float Handguard A2 Flash Hider Black 9MM0365B

Rock River Arms Completed Upper Receiver A4 9MM Luger 7 Inch Barrel 1-10 Twist 1/2-36 Thread Free-Float Handguard A2 Flash Hider Black 9MM0365B. . Formulated working with several of the very most robust and dependable materials available these AR15... ... more

Rock River Arms Completed Upper Receiver A4 9MM Luger 4.5 Inch Barrel 1-10 Twist 1/2-36 Thread Free-Float Handguard Vortex Flash Hider Black 9MM0368

Rock River Arms Completed Upper Receiver A4 9MM Luger 4.5 Inch Barrel 1-10 Twist 1/2-36 Thread Free-Float Handguard Vortex Flash Hider Black 9MM0368. . Formulated working with several of the very most robust and dependable materials available these... ... more

Rock River Arms Completed Upper Receiver A4 9MM Luger 16 Inch Barrel 1-10 Twist 1/2-36 Thread Free-Float Handguard Brake Black 9MM0700.V1

Rock River Arms Completed Upper Receiver A4 9MM Luger 16 Inch Barrel 1-10 Twist 1/2-36 Thread Free-Float Handguard Brake Black 9MM0700.V1. . Formulated working with several of the very most robust and dependable materials available these AR15 Upper... ... more

Rock River Arms Completed Upper Receiver A4 .450 Bushmaster 20 Inch Barrel 1-24 Twist 5/8-32 Thread Free-Float Handguard Brake Black 450B0587

Rock River Arms Completed Upper Receiver A4 .450 Bushmaster 20 Inch Barrel 1-24 Twist 5/8-32 Thread Free-Float Handguard Brake Black 450B0587. 450 Bushmaster Completed Upper then you have come to the right spot.. Established working with several of... ... more

Rock River Arms Completed Upper Receiver A4 .450 Bushmaster 16 Inch Barrel 1-24 Twist 5/8-32 Thread Free-Float Handguard Brake Black 450B0592

Rock River Arms Completed Upper Receiver A4 .450 Bushmaster 16 Inch Barrel 1-24 Twist 5/8-32 Thread Free-Float Handguard Brake Black 450B0592. 450 Bushmaster Completed Upper then you have come to the right spot.. Established working with several of... ... more

Rock River Arms Completed Upper Receiver Coyote Rifle .223 Wylde 20 Inch Barrel 1-9 Twist 1/2-28 Thread Free-Float Handguard Vortex Flash Hider Black

Rock River Arms Completed Upper Receiver Coyote Rifle .223 Wylde 20 Inch Barrel 1-9 Twist 1/2-28 Thread Free-Float Handguard Vortex Flash Hider Black. 223 Wylde Completed Upper was created to function as the ideally suited product for anybody trying... ... more

Rock River Arms Completed Upper Receiver National Match A4 .223/5.56mm 20 Inch Barrel 1-8 Twist 1/2-28 Thread Free-Float Handguard A2 Flash Hider

Rock River Arms Completed Upper Receiver National Match A4 .223/5.56mm 20 Inch Barrel 1-8 Twist 1/2-28 Thread Free-Float Handguard A2 Flash Hider. 223 Wylde Completed Upper then you've found yourself in the absolute right spot.. These AR15 Upper... ... more

Rock River Arms Completed Upper Receiver National Match A4 .223/5.56mm 20 Inch Barrel 1-8 Twist 1/2-28 Thread Free-Float Handguard A2 Flash Hider

Rock River Arms Completed Upper Receiver National Match A4 .223/5.56mm 20 Inch Barrel 1-8 Twist 1/2-28 Thread Free-Float Handguard A2 Flash Hider. 223 Wylde Completed Upper then you've found yourself in the absolute right spot.. These AR15 Upper... ... more

Rock River Arms Completed Upper Receiver National Match A4 .223/5.56mm 20 Inch Barrel 1-8 Twist 1/2-28 Thread Free-Float Handguard A2 Flash Hider

Rock River Arms Completed Upper Receiver National Match A4 .223/5.56mm 20 Inch Barrel 1-8 Twist 1/2-28 Thread Free-Float Handguard A2 Flash Hider. 223 Wylde Completed Upper then you've found yourself in the absolute right spot.. These AR15 Upper... ... more

Rock River Arms Completed Upper Receiver X-1 .223 Wylde 18 Inch Barrel 1-8 Twist 1/2-28 Threat Free-Float Handguard Brake Black XAR0700B.V1

Rock River Arms Completed Upper Receiver X-1 .223 Wylde 18 Inch Barrel 1-8 Twist 1/2-28 Threat Free-Float Handguard Brake Black XAR0700B.V1. 223 Wylde Completed Upper was developed to function as the ideal item for anyone in need of a high quality... ... more

Rock River Arms Completed Upper Receiver X-1 .223 Wylde 18 Inch Barrel 1-8 Twist 1/2-28 Threat Free-Float Handguard Brake Tan XAR0700T.V1

Rock River Arms Completed Upper Receiver X-1 .223 Wylde 18 Inch Barrel 1-8 Twist 1/2-28 Threat Free-Float Handguard Brake Tan XAR0700T.V1. 223 Wylde Completed Upper was developed to function as the ideal item for anyone in need of a high quality... ... more

Rock River Arms Completed Upper Receiver Predator Pursuit .223 Wylde 20 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0567

Rock River Arms Completed Upper Receiver Predator Pursuit .223 Wylde 20 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0567. 223 Wylde Completed Upper was developed in order to be the ideally suited item for any person looking... ... 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... ... more

Rock River Arms Completed BilletvUpper Receiver .308/7.62X51mm 18 Inch Barrel 1-10 Twist Mid-Length Profile 5/8-24 Threat Free-Float Handguard Brake

Rock River Arms Completed BilletvUpper Receiver .308/7.62X51mm 18 Inch Barrel 1-10 Twist Mid-Length Profile 5/8-24 Threat Free-Float Handguard Brake. 308/7.62X51mm Completed Billet Upper was developed in order to function as the ideally suited... ... more

Rock River Arms Completed Upper Receiver ATH V2 .223/5.56mm 18 Inch Barrel 1-8 Twist 1/2-28 Thread Free-Float Handguard RRA Operator Muzzle Break

Rock River Arms Completed Upper Receiver ATH V2 .223/5.56mm 18 Inch Barrel 1-8 Twist 1/2-28 Thread Free-Float Handguard RRA Operator Muzzle Break. 223 Wylde Completed Upper then you've turned up at the absolute appropriate place.. Established using... ... more

Rock River Arms Completed Upper Receiver Carbine .350 Legend 16 Inch Barrel 1-16 Twist 1/2-36 Thread Free-Float Handguard Brake Black 350L0328

Rock River Arms Completed Upper Receiver Carbine .350 Legend 16 Inch Barrel 1-16 Twist 1/2-36 Thread Free-Float Handguard Brake Black 350L0328. 350 Legend Completed Upper then you've found yourself in the right place.. Established working with some... ... more

Rock River Arms Completed Upper Receiver Carbine SS .350 Legend 16 Inch Barrel 1-16 Twist 1/2-36 Thread Free-Float Handguard Brake Black 350L0326

Rock River Arms Completed Upper Receiver Carbine SS .350 Legend 16 Inch Barrel 1-16 Twist 1/2-36 Thread Free-Float Handguard Brake Black 350L0326. 350 Legend Completed Upper was developed in order to function as the best product for anyone trying to... ... more

Rock River Arms Completed Upper Receiver CLB .458 SOCOM 16 Inch Barrel 1-14 Twist 5/8-32 Threat Free-Float Handguard Brake Black SOC0820.V1

Rock River Arms Completed Upper Receiver CLB .458 SOCOM 16 Inch Barrel 1-14 Twist 5/8-32 Threat Free-Float Handguard Brake Black SOC0820.V1. 458 SOCOM Completed Upper was created to function as the best product for anybody trying to find a top... ... more

Rock River Arms Completed Upper Receiver Coyote Carbine .223/5.56mm 16 Inch Barrel 1/2-28 Thread Free-Float Handguard Vortex Flash Hider Black AR0592

Rock River Arms Completed Upper Receiver Coyote Carbine .223/5.56mm 16 Inch Barrel 1/2-28 Thread Free-Float Handguard Vortex Flash Hider Black AR0592. 223/5.56mm Completed Upper. These AR15 Upper Receivers from the professional product specialists... ... 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... ... more

Rock River Arms Completed Upper Receiver Mid-Length A4 .450 Bushmaster 16 Inch Barrel 1-24 Twist 5/8-32 Thread Free-Float Handguard Brake Black

Rock River Arms Completed Upper Receiver Mid-Length A4 .450 Bushmaster 16 Inch Barrel 1-24 Twist 5/8-32 Thread Free-Float Handguard Brake Black. 450 Bushmaster Completed Upper. Developed working with some of the most heavy duty and long lasting... ... more

Rock River Arms Completed Upper Receiver Mid-Length A4 9MM Luger 16 Inch Barrel 1-10 Twist 1/2-36 Thread A2 Flash Hider Black 9MM0388B

Rock River Arms Completed Upper Receiver Mid-Length A4 9MM Luger 16 Inch Barrel 1-10 Twist 1/2-36 Thread A2 Flash Hider Black 9MM0388B. Established using several of the most robust and dependable materials in existence these AR15 Upper Receivers via... ... more

Rock River Arms Completed Upper Receiver Predator HP A4 .308/7.62X51mm NATO 20 Inch Barrel 1-10 Twist Free-Float Handguard Brake Black 308A0567

Rock River Arms Completed Upper Receiver Predator HP A4 .308/7.62X51mm NATO 20 Inch Barrel 1-10 Twist Free-Float Handguard Brake Black 308A0567. 308/7.62X51mm NATO Completed Upper. Formulated by using several of the most robust and long lasting... ... more

Rock River Arms Completed Upper Receiver Predator HP A4 .308/7.62X51mm NATO 16 Inch Barrel 1-10 Twist Free-Float Handguard Brake Black 308A0578

Rock River Arms Completed Upper Receiver Predator HP A4 .308/7.62X51mm NATO 16 Inch Barrel 1-10 Twist Free-Float Handguard Brake Black 308A0578. 308/7.62X51mm NATO Completed Upper. Formulated by using several of the most robust and long lasting... ... more

Rock River Arms Completed Upper Receiver R3 .223/5.56mm 18 Inch Barrel Mid-Length Plofile 1-8 Twist 1/2-28 Thread M-LOK Handguard Brake Black

Rock River Arms Completed Upper Receiver R3 .223/5.56mm 18 Inch Barrel Mid-Length Plofile 1-8 Twist 1/2-28 Thread M-LOK Handguard Brake Black. 223 Wylde Completed Upper. These AR15 Upper Receivers from the professional product specialists at Rock... ... more