.40 S&W caliber, semi-auto.The number 4066 stands for caliber (40)40S&W,the third digit(6) stands for nonstandard barrel length,the fourth number(6) stands for stainless steel frame and slide.You may have a single action or double action only third generation S&W semi-auto handgun.
By the features.
By the size and features
Experience, features, reference books.
The shooter and the fact it is DA
A shotgun made for Smith and Wesson, sold under the Smith and Wesson name.
Need a DETAILED description of all features and markings.
No way to answer without detailed information on all markings and features.
No way to answer without detailed information on all markings and features.
Standard Catalog of Smith and Wesson
The Wesson part of Smith and Wesson.
Need a detailed description of all markings and features.
Impossible to answer without a detailed description of all features and markings.