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
Compatibility=


 * -|Scope=
 * -|Barrel=
 * -|Handguard=
 * -|Rear Sight=