Hollyweird guns - 1970s Hawaii 5-0 in particular

[Greyman50]

Just use a Welrod.

 

[Alpo]

This chart will break up in all likelihood but it answers the question:

Webley Mk IV Emma Peel The Avengers Gold plated w/ short barrel & Pearl grips 1965 - 1969

Walther P38 Emma Peel The Avengers 1965 - 1969

Smith & Wesson 39 Emma Peel The Avengers 1965 - 1969

Beretta Laramie Emma Peel The Avengers 1965 - 1969

Enfield No.2 Emma Peel The Avengers 1965-1969

MP40 Emma Peel The Avengers 1965-1969

Double Barreled Shotgun Emma Peel The Avengers 1965-1969

(c) IMFDB

That's a neat trick, using a Beretta Laramie in the 1960s. The Beretta Laramie is a copy of a Smith & Wesson Schofield, with adjustable sights, and it didn't come out until the 2000s.