"Beaches".....especially when Bette Midler starts singing.
Holy crap - now THAT's funny!
Wow, it'd be a long list....
-Quigley Down Under - Sharps of course
-Dirty Harry movies - .44 mag revolver
-Multiple movies - Desert Eagle (most recently making an appearance in the hands of The Rock in "Get Smart").
-Enemy at the Gates - scoped Mosin
-First Blood - M60 (& a big knife)
-Rambo & Chuck Norris Movies - AK47
-Predator - GE Mini-gun 5.56
-We Were Soldiers - GE Mini-gun 7.62
-Multiple gangster movies set in the 30s - Thompson
-Terminator - Lever action shotgun
-FaceOff - matching 1911s and a single holster for both
-Saving Private Ryan - 1903 Springfield
-Multiple movies - Garand
-Eraser - rail gun
-Shooter - CheyTac 200 Intervention rifle
-Miami Vice - Bren Ten (OK, not a movie until the 2000s, but hey)
-Full Metal Jacket - M14
-Multiple movies - A sniper rifle that takes down into pieces and fits into a briefcase.
-The Jackal - remote-control 20mm cannon (actually I believe it was a 14.5mm cannon, but in my fantasy we'll go ahead and make it 20mm)
-Many old Westerns - Gatling Gun, 1861 revolver, Peacemaker, 1873 levergun, 1892 levergun, on and on.
-No Country for Old Men - suppressed 12 gauge.
No I've still not gotten most of them...