Home / Complete Uppers / Rock River Arms / Rock River Arms AR-15 Complete Upper Receiver 450 Bushmaster 16" Stainless Barrel
▼ 8% below avg
Rock River Arms AR-15 Complete Upper Receiver 450 Bushmaster 16" Stainless Barrel
Lowest Price
$595.19
MSRP
$696
Savings
14% off
In Stock at
6 Stores
Updated
Jun 30, 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
