National Lampoon's Vacation

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

WORK IN PROGRESS

AR-15/SP1

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

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

12 Gauge Double Barreled Shotgun

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

Stoeger imported Coach Western side by side shotgun with exposed hammers - 12 Gauge

M1911A1 (BB Gun)

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