Home / Gun Care & Accessories / Rock River Arms / Rock River Arms A4 CMP Trainer AR-14 Complete Upper Receiver 22 Long Rifle 20" Barrel
▼ 5% below avg
Rock River Arms A4 CMP Trainer AR-14 Complete Upper Receiver 22 Long Rifle 20" Barrel
Lowest Price
$613.79
MSRP
$659.99
Savings
7% off
In Stock at
1 Stores
Updated
Jun 20, 2026
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Specifications
Description
The Rock River Arms AR-15 A4 CMP Trainer 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
