-
Rock River Arms
Rock River Arms AR-15 A4 Upper Receiver Assembly 223 Remington (Wylde) 20" Stainless Barrel Railed Gas Block Black
MSRP: $924.00$739.20 -
-
-
Rock River Arms
Rock River Arms AR-15 Upper Receiver Assembly 350 Legend 16" Stainless Barrel M-LOK Handguard Black
MSRP: $756.00$604.80 -
Rock River Arms
Rock River Arms AR-15 Coyote Carbine Upper Receiver Assembly 300 AAC Blackout 16" Barrel M-LOK Handguard Black
MSRP: $868.00$740.00 -
Rock River Arms
Rock River Arms AR-15 Upper Receiver Assembly 450 Bushmaster 16" Stainless Barrel M-LOK Handguard Black
MSRP: $812.00$649.60 -
Rock River Arms
Rock River Arms AR-15 Coyote Upper Receiver Assembly 223 Wylde 18" Stainless Steel Barrel 13" M-LOK Handguard Black
MSRP: $735.00$588.00 -
-
-
Rock River Arms
Rock River Arms AR-15 Upper Receiver Assembly 350 Legend 16" Barrel M-LOK Handguard Black
MSRP: $740.00$666.67 -
Rock River Arms
Rock River Arms AR-15 Tactical Carbine Upper Receiver Assembly 458 SOCOM 16" Chrome Moly Barrel 15" M-LOK Handguard Black
MSRP: $790.00$713.33 -
Rock River Arms
Rock River Arms AR-15 CLB Upper Receiver Assembly 458 SOCOM 16" Chrome Moly Barrel 13" M-LOK Handguard Black
MSRP: $924.00$739.20