National Lampoon's Vacation

National Lampoon's Vacation (1983)

The following weapons were used in the film National Lampoon's Vacation:

AR-15/SP1

SWAT Team officers hold AR-15/SP1 rifles on the Griswolds at the Wally World park.

Slab Side M16 (AR-15/SP1) with M16A1-style flash hider - 5.56x45mm

When the Griswolds go to the Old West bar, a bartender pretends to shoot Clark Griswold (Chevy Chase) with a 12 Gauge Double Barreled Shotgun.

Stoeger/IGA Coach imported side by side shotgun - 12 Gauge

The SWAT leader also holds an M1911A1 on Clark.

World War II issued Colt M1911A1 Pistol - .45 ACP

The SWAT leader holds the M1911A1 on Clark.

At Wally World, Clark threatens Lasky (John Candy) with a Marksman 1010 BB pistol that resembles an M1911A1. Clark refers to it as a "Magnum P.I.".

Marksman 1010C BB pistol

"That's not a real gun is it, Clark?"
"What, are you kiddin'? This is a Magnum P.I.!"