Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 16 Inch Barrel Mid-Length Profile 1-9 Twist 1/2-28 Thread A2 Flash Hider Black

Upper Rock River Arms UPC 842834107681 MPN AR0375B

Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 16 Inch Barrel Mid-Length Profile 1-9 Twist 1/2-28 Thread A2 Flash Hider Black
$430.40

at MidwayUSA ·

Free shipping over $100

2 retailers · 1 in stock

This listing: Optics Planet $479.99, out of stock

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Price history

Lowest price across retailers each day.

Lowest seen
$430.40
Typical price
$450.49
Tracked since
Jul 1, 2026

Today's best price matches the 134-day low and is 4% below typical.

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