Results for Rock River Arms Upper Receivers

Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel

Rock River Arms AR-15 Complete Upper Receiver 450 Bushmaster 16" Black Barrel

Rock River Arms A4 AR-15 Complete Upper Receiver 223 Remington (Wylde) 20" Barrel

Rock River Arms AR-15 Complete Upper Receiver 450 Bushmaster 16" Stainless Barrel

Rock River Arms Coyote Carbine AR-15 Complete Upper Receiver 300 AAC Blackout 16" Barrel

Rock River Arms AR-15 CLB Complete Upper Receiver 458 SOCOM 16" Chrome Moly Barrel 13" M-LOK Handguard Black

Rock River Arms AR-15 R3 Competition Complete Upper Receiver 223 Wylde 18" Stainless Steel Barrel 15" M-LOK Handguard Black

Rock River Arms AR-15 A4 Complete Upper Receiver 450 Bushmaster 20" Chrome Moly Barrel 15" Handguard Black

Rock River Arms A4 CMP Trainer AR-14 Complete Upper Receiver 22 Long Rifle 20" Barrel

Rock River Arms AR-15 Fred Eichler Series Predator Complete Upper Receiver 223 Wylde 16" Stainless Steel Barrel 14" Handguard Black

Rock River Arms AR-15 Varmint A4 Complete Upper Receiver 223 Wylde 24" Stainless Steel Barrel 20" Handguard Black

Rock River Arms AR-15 Varmint A4 Complete Upper Receiver 223 Wylde 24" Stainless Steel Barrel 20" M-LOK Handguard Black

Rock River Arms AR-15 Varmint A4 Complete Upper Receiver 223 Wylde 20" Stainless Steel Barrel M-LOK Handguard Black

Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm 10.5" Barrel

Rock River Arms AR-15 A4 Complete Upper Receiver 9mm Luger 10.5" Chrome Moly Barrel 6" Handguard Black

Rock River Arms AR-15 R9 Complete Upper Receiver 9mm Luger 16"Stainless Steel Barrel 15" M-LOK Handguard Black

Rock River Arms AR-15 Coyote Complete Upper Receiver 223 Remington (Wylde) 16" Chrome Moly Barrel 12.5" M-LOK Handguard Black

Rock River Arms AR-15 Coyote Complete Upper Receiver 223 Wylde 20" Chrome Moly Barrel 15" M-LOK Handguard Black

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

Rock River Arms BT-3 Completed Upper Receiver 6.5mm Creedmoor 32in 24in Barrel Standard SS Fluted Profile 1-10 Twist 5/8x24 Thread M-LOK Handguard

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

Rock River Arms Completed Upper Receiver Left Handed RAGE 2G .223/5.56mm 10.5 Inch Barrel Pistol Profile 1/2-28 Thread Free-Float Handguard A2 Flash

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

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