30 Things You Didn't Know About The Resident Evil Series

21. Resident Evil 4's 'Killer7' Magnum Is A Reference To A Cult Classic

If you haven't already played Killer7, go play it. Now.

Although Resident Evil 4 actually released before Killer7, the inclusion of the name was a nod to the then upcoming title, and the font of the engraving on the barrel is the same as that of the game.