Smith & Wesson Model 648

Smith & Wesson · Pistol · In Production · 1990

Also known as: K-22 WMR

Overview

The Smith & Wesson Model 648 is a subcompact semi-automatic pistol chambered in .22 Winchester Magnum Rimfire, introduced by Smith & Wesson in 1990. The pistol features a stainless steel frame, providing a durable platform designed for years of reliable service in both duty and civilian applications. The 6.0-inch barrel maximizes the ballistic potential of the .22 Winchester Magnum Rimfire cartridge while providing a generous sight radius that enhances accuracy at all practical distances.

Specifications

Weight (empty)	1276 g (45.0 oz)
Overall Length	216 mm (8.50")
Barrel Length	152 mm (5.98")
Height	127 mm (5.00")
Width	33 mm (1.30")
Firing Mechanism	Double Action Single Action
Trigger Type	Double Action Single Action
Trigger Pull	20 N (4.5 lbf)
Magazine Capacity	6 rounds
Magazine Type	Rotary
Muzzle Velocity	597 m/s (1959 fps)
Muzzle Energy	461 J (340 ft·lbf)
Effective Range	75 m (82 yd)
Barrel Rifling	Right Hand
Rifling Twist	406 mm (15.98")
Number of Grooves	5
Frame Material	Stainless Steel
Barrel Material	Stainless Steel
Finish	Satin Stainless

Calibers

.22 Winchester Magnum Rimfire · primary — also known as .22 WMR, .22 Magnum, 5.6x27mmR

Features

Firing modes: Semi Automatic
Feed systems: Revolving Cylinder
Features: Adjustable Sights, Target Grips, Swing Out Cylinder, Transfer Bar Safety, Fixed Sights, Stainless Steel Construction, Exposed Hammer

Production

Production years: 1990-present

Origin

Country of origin: United States

Notes

Stainless steel version provides corrosion resistance. The .22 WMR offers significantly more power than .22 LR.

Background

Smith & Wesson has been manufacturing firearms in Springfield, Massachusetts since 1852, making them one of the oldest and most respected names in the American firearms industry, with their revolvers and pistols serving in virtually every major conflict and law enforcement agency worldwide.