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 mount for attaching additional devices.

Mods
Compatibility=


 * -|Barrel=
 * -|Rear Sight=


 * -|Handguard=
 * -|Scope=

Boitier supérieur Colt M4A1 5,56x45 pour fusil d'assault M4A1