Home / Complete Uppers / Rock River Arms / Rock River Arms AR-15 Tactical Carbine Complete Upper Receiver 458 SOCOM 16" Chrome Moly Barrel 15" M-LOK Handguard Black
▼ 10% below avg
Rock River Arms AR-15 Tactical Carbine Complete Upper Receiver 458 SOCOM 16" Chrome Moly Barrel 15" M-LOK Handguard Black
Lowest Price
$661.61
MSRP
$988.99
Savings
33% off
In Stock at
9 Stores
Updated
Jun 28, 2026
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.458 Socom Chamber
16-Inch Chrome Moly Bull Barrel, 1:14 Twist
Bolt Carrier Group And Charging Handle Assembly
Low Profile Gas Block
RRA Lightweight Free Float Rail, 15 Inch Extended
RRA Operator Brake / 5/8–32 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
