Rock River Arms Completed Upper Receiver Carbine A4 9MM Luger 16 Inch Barrel 1-10 Twist 1/2-36 Thread R4 Handguard A2 Flash Hider Black 9MM0328B

$470.00
by Rock River Arms
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Rock River Arms Completed Upper Receiver Carbine A4 9MM Luger 16 Inch Barrel 1-10 Twist 1/2-36 Thread R4 Handguard A2 Flash Hider Black 9MM0328B. . These AR15 Upper Receivers through the professional product experts at Rock River Arms are designed...

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