Home / Gun Parts / Rock River Arms / Rock River Arms AR-15 Complete Upper Receiver 450 Bushmaster 16" Stainless Barrel
Rock River Arms AR-15 Complete Upper Receiver 450 Bushmaster 16" Stainless Barrel
Lowest Listed Price
$698.8
MSRP
$741.99
Savings
6% off
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0 Stores
Updated
Sep 2, 2026
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Specifications
Description
The Rock River Arms AR-15 Upper Receiver Assembly is designed to pin onto any mil-spec lower receiver. Just add an optic, or set of sights, and you are ready to send lead downrange! FeaturesIncludes one 5 round magazineFlattop upper receiverMil-spec compatibleAnodized finish
