Home / Complete Uppers / Rock River Arms / Rock River Arms AR-15 Complete Upper Receiver 350 Legend 16" Black Barrel
▼ 12% below avg
Rock River Arms AR-15 Complete Upper Receiver 350 Legend 16" Black Barrel
Lowest Price
$576.59
MSRP
$740.99
Savings
22% off
In Stock at
9 Stores
Updated
Jun 24, 2026
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(1) Magazine, (10) Rounds
.350 Legend
1 Magazine
16 Inch Chrome Moly, 1:16 Twist
Bolt Carrier Group, Charging Handle Assembly
Low Profile Gas Block, CAR Length Gas System
RRA 13 Inch Extended Lightweight Free Float Rail
RRA Operator Brake, 1/2-36 Thread
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! FeaturesFlattop upper receiverMil-spec compatibleAnodized finish
