M4A1 5.56x45 upper receiver

 (M4A1 Upper) is a Receiver in Escape from Tarkov.

Description
Upper receiver for M4A1 assault rifle manufactured by Colt. Equipped with a mound for attaching additional devices.

Mods
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 * -|Scope=


 * -|Barrel=


 * -|Handguard=


 * -|Rear Sight=