The S&W M13 3inch F.B.I Special is modeled after the tried and tested S&W K Frame revolver firing the powerful .357 Magnum round. This particular model was issued to FBI agents shortly before the issuing of semi-automatic pistols.

Tanaka S&W M13 3inch F.B.I Special Heavy Weight Model Gun (Ver.3)
M13 3inch F.B.I Special Style Revolver Model Guns
S&W K Frame series
Version 3

Realistic Bullet Type housing chamber
Polymer Wood Texture Grip
Excellent Craftsmanship with Textured grip and Solid Pistol Frame

Authentic look & finishing by Tanaka Works, Japan
Adding to the realism, this non-firing model gun is shell-loaded, making it an ideal decorative piece or movie prop