Rock River Arms Upper Receivers
We track 79 Rock River Arms upper receivers across 10+ retailers, starting at $230. Prices update automatically, so what you see is today’s price rather than a figure someone typed into an article months ago.
Rock River Arms Completed Upper Receiver Predator HP A4 .308/7.62X51mm NATO 20 Inch Barrel 1-10 Twist Free-Float Handguard Brake Black$899.99
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$759.99
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$729.99
Rock River Arms Completed Upper Receiver A4 9MM Luger 16 Inch Barrel 1-10 Twist 1/2-36 Thread Free-Float Handguard Brake Black$629.99
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$619.99
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$599.99
Rock River Arms Completed Upper Receiver A4 .223/5.56mm 10.5 Inch Barrel 1-7 Twist 1/2-28 Thread R4 Handguard A2 Flash Hide Black$529.99
Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 7 Inch Barrel 1-9 Twist 1/2-28 Thread Free-Float Handguard A2 Flash Hide Black$449.99
A4 9mm Upper Receiver$449.99
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 w/Post Black$689.99
Rock River Arms Forged A2 Upper Receiver Assembly Black$229.99
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$649.99
Rock River Arms BT-3 Completed Upper Receiver 6.5mm Creedmoor 28in 20in Barrel Standard SS Fluted Profile 1-10 Twist 5/8x24 Thread M-LOK Handguard$1059.00
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$879.99
Rock River Arms Upper Receiver EOP .223 Wylde 24 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black$679.99
Rock River Arms Tactical Carbine 16" Classic Upper .458 SOCOM 1:14 M-LOK Carbine-Length with BCG and CH, Black - Power and Precision - SOC0564$660.78