Home / AR Rifles / Rock River Arms / Rock River Arms AR-15 A4 Complete Upper Receiver 450 Bushmaster 20" Chrome Moly Barrel 15" Handguard Black
Rock River Arms A4 Complete Upper 450 Bushmaster 20" Barrel Black
$599.24 0 in
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Specifications
Caliber
Brand
Model
MPN
450B0587
UPC
842834125531
MSRP
$599.24
Barrel Length
20"
Finish
Anodized
Fits
AR-15 mil-spec lower receiver
Color
Black
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
