(CNN) It's not unusual for dignitaries to receive gifts during visits to foreign countries -- perhaps a Cuban cigar or a bottle of French wine.

But a delegation of Pakistani senators sprang a surprise Monday during a visit by Saudi Arabia's Crown Prince Mohammed bin Salman to the country, presenting him with a gold-plated gun.

The Heckler & Koch MP5 is a submachine gun developed by German engineers, and this modified weapon has an elaborate pattern engraved on its gold-plated components.

Bin Salman (left) met with Pakistani President Arif Alvi in Islamabad on February 18.

Lawmakers also gave the crown prince, commonly known as MBS, a portrait of himself, a source at the senate told CNN.

Presenting MBS with a weapon will likely raise eyebrows at a time when the crown prince has been embroiled in controversy over the death of Saudi journalist Jamal Khashoggi, who was murdered at the country's consulate in Istanbul in October of last year.

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