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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 Tan X308A0700T.V1

$960.00

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

$775.00

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

$750.00

Rock River Arms Completed Upper Receiver National Match A4 .223/5.56mm 16 Inch Barrel Competition Profile 1-8 Twist 1/2-28 Thread Free-Float Handguard

$690.00

Rock River Arms Completed Upper Receiver Entry Tactical A4 .223/5.56mm 16 Inch Barrel 1-9 Twist 1/2-28 Thread R4 Handguard A2 Flash Hider Black

$585.00

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

$1065.00

Rock River Arms Completed Pistol Upper Receiver Mountain .223/5.56mm 10.5 Inch Barrel 1-9 Twist 1/2-28 Threat A2 Flash Hider Black MT0600

$625.00

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

$580.00

Rock River Arms Completed Upper Receiver Operator ETR .308/7.62x51mm 16 Inch Barrel 1-10 Twist Mid-Length Profile 5/8-24 Threat Free-Float Handguard

$890.00

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

$810.00

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

$620.00

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

$805.00

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

$805.00

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

$655.00

Rock River Arms Completed Upper Receiver .223/5.56mm 16 Inch Barrel Carbine Profile 1/2-28 Thread Car Handguard A2 Flash Hide w/Gas Block Black

$460.00

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

$1005.00

Rock River Arms Completed Upper Receiver RRAGE 3G .223/5.56mm 16 Inch Barrel 1/2-28 Thread A2 Flash Hider Black BB0470

$475.00

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

$765.00

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

$670.00

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

$610.00

Showing 1-20 of 2153 item(s)

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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 Tan X308A0700T.V1

$960

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

$775

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

$750

Rock River Arms Completed Upper Receiver National Match A4 .223/5.56mm 16 Inch Barrel Competition Profile 1-8 Twist 1/2-28 Thread Free-Float Handguard

$690

Rock River Arms Completed Upper Receiver Entry Tactical A4 .223/5.56mm 16 Inch Barrel 1-9 Twist 1/2-28 Thread R4 Handguard A2 Flash Hider Black

$585

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

$1065

Rock River Arms Completed Pistol Upper Receiver Mountain .223/5.56mm 10.5 Inch Barrel 1-9 Twist 1/2-28 Threat A2 Flash Hider Black MT0600

$625

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

$580

Rock River Arms Completed Upper Receiver Operator ETR .308/7.62x51mm 16 Inch Barrel 1-10 Twist Mid-Length Profile 5/8-24 Threat Free-Float Handguard

$890

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

$810

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

$620

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

$805

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

$805

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

$655

Rock River Arms Completed Upper Receiver .223/5.56mm 16 Inch Barrel Carbine Profile 1/2-28 Thread Car Handguard A2 Flash Hide w/Gas Block Black

$460

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

$1005

Rock River Arms Completed Upper Receiver RRAGE 3G .223/5.56mm 16 Inch Barrel 1/2-28 Thread A2 Flash Hider Black BB0470

$475

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

$765

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

$670

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

$610

Showing 1-20 of 2153 item(s)

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