Rock River Arms Completed Upper Receiver A4 .223/5.56mm 10.5 Inch Barrel 1-7 Twist 1/2-28 Thread R4 Handguard A2 Flash Hide Black
$577.99
at MidwayUSA ·
3 retailers · 1 in stock
This listing: Optics Planet $529.99, out of stock
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Shipping estimate for one item to the lower 48 from the retailer's published policy or feed; the retailer's cart is final.
Price history
Lowest price across retailers each day.
- Lowest seen
- $522.99
- Typical price
- $526.49
- Tracked since
- Oct 20, 2026
Today's best price is $55.00 above the 22-day low and 10% above typical.
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