An MK 556 assault rifle used by a Ukrainian soldier of the 82nd Air Assault Brigade during an award ceremony.

Multiple Ukrainian soldiers of the 82nd Separate Air Assault Bukovynska Brigade with their MK 556 assault rifles.

A Ukrainian soldier with an MK 556 assault rifle during an exercise at the 242nd Training Centre.

An MK 556 assault rifle in service with a Ukrainian SOF.

A MK 556 assault rifle of the 82nd Separate Air Assault Bukovynska Brigade.

A Ukrainian soldier of the 82nd Air Assault Brigade together with his MK 556 assault rifle.

Two MK 556 assault rifles operated by a Ukrainian SOF.

A handicapped Ukrainian SOF with an MK 556 assault rifle.

An MK 556 assault rifle in service with an unknown Ukrainian SOF.

An MK 556 assault rifle operated by an unknown soldier.

An MK 556 assault rifle operated by an unknown soldier.

MK 556 assault rifles used by Ukrainian soldiers of the 82nd Air Assault Brigade during a training.

Two Ukrainian naval SOF being photographed with MK 556 assault rifles.

A handicapped Ukrainian SOF with an MK 556 assault rifle.

An MK 556 in service with Ukrainian SOF.

An MK 556 assault rifle in service with Ukrainian soldiers of the 82nd Separate Air Assault Brigade.

MK 556 assault rifles used by Ukrainian soldiers of the 82nd Air Assault Brigade during a training.

A Ukrainian soldier with an MK 556 assault rifle during an exercise at the 242nd Training Centre.

An MK 556 assault rifle operated by a soldier of the 82nd Separate Air Assault Bukovynska Brigade during an exercise.

A Ukrainian soldier of the 82nd Air Assault Brigade with an MK 556 assault rifle.

A Ukrainian sniper showed an MK 556 assault rifle at a shooting range.

Group shot of a SOF team (Red Line team). All of them are equipped with MK 556 assault rifles.

An MK 556 assault rifle operated by a Ukrainian soldier of the Special Operations Center South.

A soldier of the Special Operations Center South showing himself with an MK 556 assault rifle.

This is the first sighting of the MK 556 in Ukraine.

An MK 556 assault rifle operated by an unknown soldier.

Close-up of an MK 556 with various magazines and ammunition.

An MK 556 assault rifle operated by an unknown soldier.

MK 556 assault rifles used by Ukrainian soldiers of the 82nd Air Assault Brigade during a training.

An MK 556 assault rifle in service with Ukrainian soldiers of the 82nd Separate Air Assault Brigade.

An MK 556 assault rifle in service with Ukrainian soldiers of the 82nd Separate Air Assault Brigade.

Two MK 556 assault rifles in service with Ukrainian SOF.

A German-delivered MK 556 assault rifle in service with a Ukrainian soldier.

MK 556 assault rifles used by Ukrainian soldiers of the 82nd Air Assault Brigade during an award ceremony.

An MK 556 assault rifle operated by a Ukrainian SOF.

A MK 556 assault rifle in service with a Ukrainian soldier of the 82nd Separate Air Assault Bukovynska Brigade.

A MK 556 assault rifle used by a Ukrainian soldier of the 82nd Separate Air Assault Bukovynska Brigade.

Two Ukrainian soldiers from the 1st Special Operations Detachment of the Special Operations Center West with MK 556 assault rifles showing off badges looted from neutralised enemies.

Two Ukrainian soldiers of the 82nd Separate Air Assault Bukovynska Brigade are posing with an MK 556 assault rifle.

An MK 556 assault rifle in service with a soldier of the 95th Separate Polesian Air Assault Brigade.

An MK 556 assault rifle with a suppressor.

A group photo of Ukrainian soldiers of the 82nd Separate Air Assault Bukovynska Brigade in which some are equipped with MK 556 assault rifles.

A soldier of the OMEGA Special Task Unit from GUR Legion with an MK 556 assault rifle.

Two MK 556 in service with Ukrainian SOF.

An MK 556 assault rifle operated by a Ukrainian soldier of the 58th Motorized Brigade.

MK 556 assault rifles used by Ukrainian soldiers of the 82nd Air Assault Brigade during an award ceremony.

An MK 556 assault rifle in service with a soldier of the Red Line Team.

This is the first sighting of the MK 556 in Ukraine.