Rock River Arms Completed Upper Receiver R3 .223/5.56mm 18 Inch Barrel Mid-Length Plofile 1-8 Twist 1/2-28 Thread M-LOK Handguard Brake Black

Upper Rock River Arms UPC 842834101146 MPN AR0700V1

Rock River Arms Completed Upper Receiver R3 .223/5.56mm 18 Inch Barrel Mid-Length Plofile 1-8 Twist 1/2-28 Thread M-LOK Handguard Brake Black
$754.99

at MidwayUSA ·

Free shipping over $100

2 retailers · 1 in stock

This listing: Optics Planet $709.99, out of stock

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Price history

Lowest price across retailers each day.

Lowest seen
$633.24
Typical price
$709.99
Tracked since
Apr 20, 2026

Today's best price is $121.75 above the 206-day low and 6% above typical.

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