Home / Gun Parts / Rock River Arms / Rock River Arms AR-15 Mountain Complete Upper Receiver 223 Remington (Wylde) 10.5" Chrome Moly Barrel 9.5" Handguard Black

▼ 5% below avg

Rock River Arms AR-15 Mountain Complete Upper Receiver 223 Remington (Wylde) 10.5" Chrome Moly Barrel 9.5" Handguard Black

Rock River Arms AR-15 Mountain Complete Upper Receiver 223 Remington (Wylde) 10.5" Chrome Moly Barrel 9.5" Handguard Black

Lowest Listed Price

$499.99

MSRP

$549.99

Savings

9% off

Retailers Reporting In Stock

1 Stores

Updated

Sep 2, 2026

Compare Deals from 2 Retailers

Sorted by lowest price

Specifications

Brand

Rock River Arms

MPN

MT0364

UPC

842834101238

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

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