Results for Rock River Arms 5.56x45mm NATO Upper Receivers

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

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

Rock River Arms AR-15 Coyote Complete Upper Receiver 223 Wylde 18" Stainless Steel Barrel 13" M-LOK Handguard Black

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

Rock River Arms Assembled AR-15 A2 Upper Receiver Matte

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 RRAGE Complete Upper Receiver 5.56x45 NATO 7" Chrome Moly Barrel M-LOK Handguard Black

Rock River Arms AR-15 A4 Complete Upper Receiver 223 Remington (Wylde) 4.5" Chrome Moly Barrel 4.25" M-LOK Handguard Black

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

Rock River Arms AR-15 A4 Complete Upper Receiver 223 Wylde 20" Stainless Steel Barrel 15" Handguard with A2 Front Sight Black

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

ROCK RIVER ARMS LAR-15 A4 Pistol w/ SBA3 Brace

Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm 16" Barrel Mid-Length Gas System A2 Front Sight

Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm 20" Barrel A2 Front Sight

Rock River Arms AR-15 A2 Complete Upper Receiver 223 Wylde 20" Stainless Steel Barrel 14" Handguard Black

Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm 16" Barrel 11" M-LOK Handguard

Rock River Arms AR-15 A4 Complete Upper Receiver 223 Remington (Wylde) 20" Chrome Moly Barrel 14" Handguard Black

Rock River Arms AR-15 A4 Complete Upper Receiver 223 Remington (Wylde) 16" Chrome Moly Barrel M-LOK Handguard Black

Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm 16" Barrel A2 Front Sight

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

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 RRAGE Complete Upper Receiver 5.56x45 NATO 16" Chrome Moly Barrel 9.5" M-LOK Handguard Black