Rock River Arms 16in Mid LTWT CL Barrel Black AR0213CL

Stag Arms 15 Tactical Elite 5.56mm Upper Receiver 16in Right Hand Hanson Barrel Profile Mid-Length 1-7 Twist 1/2-28 Thread VG6 Gamma SL Black

Stag Arms 15 Tactical Elite 5.56mm Upper Receiver 16in Right Hand Hanson Barrel Profile Mid-Length 1-7 Twist 1/2-28 Thread VG6 Gamma SL Black. 56mm Upper Receiver. Formulated using some of the most strong and long lasting components around these... ... more

Rainier Arms Mountain MOD2 5.56 NATO Barrel 16in 1/2x28 Mid Len Black Medium RAB-CMV-556-16-M-HF-BLK

Rainier Arms Mountain MOD2 5.56 NATO Barrel 16in 1/2x28 Mid Len Black Medium RAB-CMV-556-16-M-HF-BLK. We have brought back our Mountain Series of barrels for those of you who want the accuracy you expect from Rainier Arms in a nearly indestructible... ... more

Tiger Rock Complete Upper Receiver AR-15 5.56 NATO 16in Mid Length 1-7 Twist w/ 16in Keymod Handguard Black Large UB15-FKM16

Tiger Rock Complete Upper Receiver AR-15 5.56 NATO 16in Mid Length 1-7 Twist w/ 16in Keymod Handguard Black Large UB15-FKM16. The Upper Receiver 16in Barrel and Bolt Carrier Group are made in specialized factories Included is a 16in Free Float... ... 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 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 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 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

Rock River Arms Completed Upper Receiver Tactical Carbine .458 SOCOM 16 Inch Barrel 1-14 Twist 5/8-32 Thread Free-Float Handguard Black SOC0564

Rock River Arms Completed Upper Receiver Tactical Carbine .458 SOCOM 16 Inch Barrel 1-14 Twist 5/8-32 Thread Free-Float Handguard Black SOC0564. 458 SOCOM Completed Upper then you've arrived at the right spot.. These AR15 Upper Receivers through the... ... more

Rock River Arms Completed Upper Receiver Varmint A4 .308/7.62X51mm NATO 20 Inch Barrel 1-10 Twist Free-Float Handguard Black 308A0551

Rock River Arms Completed Upper Receiver Varmint A4 .308/7.62X51mm NATO 20 Inch Barrel 1-10 Twist Free-Float Handguard Black 308A0551. 308/7.62X51mm NATO Completed Upper. Developed working with some of the most robust and dependable substances... ... 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... ... more

Rock River Arms Upper Receiver A4 .223 Wylde 18 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0525

Rock River Arms Upper Receiver A4 .223 Wylde 18 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0525. 223 Wylde Completed Upper was created to be the ideally suited product for anybody looking for an outstanding option.. These... ... more

Rock River Arms Upper Receiver A4 .223 Wylde 20 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0550

Rock River Arms Upper Receiver A4 .223 Wylde 20 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0550. 223 Wylde Completed Upper was created to be the ideally suited product for anybody looking for an outstanding option.. These... ... more

Rock River Arms Upper Receiver A4 .223 Wylde 24 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0575

Rock River Arms Upper Receiver A4 .223 Wylde 24 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0575. 223 Wylde Completed Upper was created to be the ideally suited product for anybody looking for an outstanding option.. These... ... more

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

Rock River Arms Upper Receiver A4 .223 Wylde 24 Inch Barrel Varmint Profile 1-12 Twist Free-Float Handguard Black AR0576. 223 Wylde Completed Upper was created to be the ideally suited product for anybody looking for an outstanding option.. These... ... more

Rock River Arms Upper Receiver EOP .223 Wylde 16 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0510

Rock River Arms Upper Receiver EOP .223 Wylde 16 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0510. 223 Wylde Completed Upper then you have found yourself in the absolute correct location.. These AR15 Upper Receivers through... ... more

Rock River Arms Upper Receiver EOP .223 Wylde 18 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0530

Rock River Arms Upper Receiver EOP .223 Wylde 18 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0530. 223 Wylde Completed Upper then you have found yourself in the absolute correct location.. These AR15 Upper Receivers through... ... more

Rock River Arms Upper Receiver EOP .223 Wylde 20 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0560

Rock River Arms Upper Receiver EOP .223 Wylde 20 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0560. 223 Wylde Completed Upper then you have found yourself in the absolute correct location.. These AR15 Upper Receivers through... ... more

Rock River Arms Upper Receiver EOP .223 Wylde 24 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0579

Rock River Arms Upper Receiver EOP .223 Wylde 24 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0579. 223 Wylde Completed Upper then you have found yourself in the absolute correct location.. These AR15 Upper Receivers through... ... more

Rock River Arms Upper Receiver EOP .223 Wylde 24 Inch Barrel Varmint Profile 1-12 Twist Free-Float Handguard Black AR0580

Rock River Arms Upper Receiver EOP .223 Wylde 24 Inch Barrel Varmint Profile 1-12 Twist Free-Float Handguard Black AR0580. 223 Wylde Completed Upper then you have found yourself in the absolute correct location.. These AR15 Upper Receivers through... ... more

Rock River Arms Completed Upper Receiver X-1 .308/7.62x51mm 18 Inch Barrel 1-10 Twist 5/8-24 Threat Free-Float Handguard Brake Black X308A0700B.V1

Rock River Arms Completed Upper Receiver X-1 .308/7.62x51mm 18 Inch Barrel 1-10 Twist 5/8-24 Threat Free-Float Handguard Brake Black X308A0700B.V1. 308/7.62X51mm Completed Upper was developed in order to be the best item for any person looking for a... ... more