Home / Gun Parts / Rock River Arms / Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm 10.5" Barrel
Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm 10.5" Barrel
Lowest Listed Price
$570
MSRP
$570
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Updated
Aug 26, 2026
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Specifications
Description
The Rock River Arms AR-15 Upper Receiver Assembly is designed to pin onto a mil-spec lower receiver. Just add an optic, or set of sights, and you are ready to send lead downrange! FeaturesFlattop upper receiverMil-spec compatibleAnodized finish
