As of 2018, Hugh Grant starred in all of the movies directed by Marc Lawrence. This one is the third. Grant plays a romantically involved character in all of the films, and is paired with a different actress each time.
When Vincent (Michael Kelly) makes his assault on the Wheeler ranch, the rifle he is carrying is a SUB-2000, made by Kel-Tec CNC Industries. It is a 9mm carbine that uses Glock magazines, and is notable for the fact that the entire length of the rifle will fold in half for transport and storage.