WashYourrHands did a custom project, replicating the Ice Drake Rig weapon from Call of Duty: Warzone, into a real life object... "I Made The ICE DRAKE KRIG 6 from Call of Duty Warzone Verdansk Black Ops Cold War and Call of Duty Mobile Ice Drake Krig Mythic In Real Life...and here's how it went!"
Battle Royale Games surely provide some inspiration for airsoft games. In the case of Corridor Digital's Node, it's Warzone. You can organise one yourself, just done require sky diving to play in the venue... "In this episode of Airsoft Warzone, Wren injures himself, Nat robs everyone, and nobody has any ammo."