The line about the AK-47 that's quoted in the beginning of the movie is a direct quote from Samuel L. Jackson's character from Tarantino's Jackie Brown (1997)
The line "how do you like them apples?" quoted in the beginning of the movie is a direct quote from Good Will Hunting (but was originally used in the 1959 film Rio Bravo), making it the second quote from a 1997 movie that's spoken in the film within the first 5 minutes of the movie.
"How do you like them apples" was a partial quote from the 1959 film Rio Bravo Walter Brennan, playing a character called Stumpy, throws a grenade and shouts to Dean Martin; "Hey Dude! (Martins character) How do ya like them apples?"