Rock River Arms Completed Upper Receiver Standart A4 .308/7.62X51mm NATO 20 Inch Barrel 1-10 Twist 5/8-24 Thread A2 Handguard A2 Flash Hider Black

Upper Rock River Arms UPC 842834103263 MPN 308A0450

Rock River Arms Completed Upper Receiver Standart A4 .308/7.62X51mm NATO 20 Inch Barrel 1-10 Twist 5/8-24 Thread A2 Handguard A2 Flash Hider Black
$599.99 Out of stock

at Optics Planet

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Lowest seen
$599.99
Typical price
$599.99
Tracked since
Oct 20, 2026

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