The family aren't strangers to weaponry, with George's dad and uncle both having served time in the military - and lets not forget that the royals also hunt using guns, so maybe he's just getting himself a headstart.
Savannah Phillips trying to shut up Prince George. Doesn't she read the papers in her own country with all the gun deaths? It also happened to be the Buckingham Palace balcony debut of Meghan Markle, now Duchess of Sussex.
On a visit to Finland last November, William met Father Christmas in Helsinki and was on a mission to present Santa Claus with a Christmas list from George, which featured one request - a toy police vehicle.
It's not a joke some people lose their lives because their children thought they played with a toy and it was a real gun!More news: Nadal prepares for complex Thiem challenge
"This isn't okay anymore". My American side here, biased maybe b/c of everyday gunviolence in US, but my British side agrees.
The children entertained themselves with toys and ran around in the sunshine - and the pictures of the fun family day out are too sweet.
Not everyone agreed, however, with other defending the royals.
Headlines from media outlets summed up the outrage from the left, with the U.K.'s Daily Mirror proclaiming, "Outrage as Prince George plays with toy and knife on family day out amid surge in violence", and several citing quotes from Twitter users such as, "sad to see him playing with a gun when the United Kingdom has a crime problem". The 3-year-old sported a pink patterned dress with oversized sunglasses and navy sneakers as she supported her father and practiced her gymnastics skills.
Part of the event was an open house for the emergency services that included an air ambulance vehicle that interested Prince George.