This fearsome-looking machine gun is one of 100 weapons handed in to police during the first week of a firearms amnesty.
The Bren machine gun dates back to the Second World War.
Usually known simply as Brens - they were manufactured in the 1930s and remained in use as a light machine gun until 1992.
The two-week firearms amnesty is being held across Greater Manchester as part of a national firearms surrender as gun crime rises again both locally and nationally.
It's aim is to take potentially deadly weapons of all types off the street - and ultimately save lives.
GMP revealed more than 100 have been given up so far.
They include air rifles, MP5s and soft air guns as well as a range of deactivated firearms, including an AK-47, an Uzi sub-machine gun and the Bren.
A Brocock revolver, which is illegal to possess, has also been handed in, police said.
GMP chiefs have stressed the amnesty is also being aimed at collectors, licence holders and anyone who has inherited a firearm.
It's not known where the antique machine gun was handed in or by whom.
Details haven't been revealed for any of the weapons.
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Many firearms are held in 'innocence and ignorance of their illegality', or may have been simply forgotten in people's homes, the force said.
The last firearms surrender in Greater Manchester, staged over a two week period in 2017, saw 243 weapons handed in at police stations. Of them, 68 were found to be 'viable' weapons capable of being fired.
Pistols, revolvers, shotguns and even a sawn-off shotgun and ammunition were among the haul.
Chief Superintendent Tony Creely said: "Gun crime in the UK remains one of the lowest in the world, however we are not complacent about this type of crime, which is why we are conducting the firearms surrender now.
"If you have a firearm in your house that you have inherited, have found, or are keeping for someone else, this is your opportunity to hand it into us, to free yourself of the burden. Burglaries involving firearms have increased so don't let yours fall into the wrong hands.
"Firearms and ammunition can be surrendered at any GMP station without any questions being asked."
The amnesty runs until Sunday, August 4.
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