Smith & Wesson Model 21
Smith & Wesson · Pistol · In Production · 1950
Also known as: Thunder Ranch Special, Model 21-4, Model 21 Thunder Ranch
Overview
The Smith & Wesson Model 21, also known as the Thunder Ranch Special, is a six-shot, double-action revolver built on the large N-frame and chambered in .44 Special, representing both a classic design from 1950 and a modern revival developed in collaboration with legendary firearms instructor Clint Smith of Thunder Ranch. Originally introduced in 1950 as a law enforcement and target revolver with a 6-inch barrel and fixed sights, the Model 21 offered the power and accuracy of the .44 Special cartridge in Smith & Wesson's robust N-frame platform. Production of the original version was limited to only 1,200 units between 1950 and 1966, as demand shifted toward the more powerful .44 Magnum introduced in 1955. The model was revived in 2004 as the Model 21-4 Thunder Ranch edition at the urging of Clint Smith, who recognized the .44 Special's potential as an ideal fighting revolver-powerful enough for serious defensive use while producing significantly less recoil than .44 Magnum. The modern Thunder Ranch variant features a 4-inch barrel with round-butt grip frame, fixed sights consisting of a half-moon front and groove rear, wood grips, and the Thunder Ranch logo in gold plate on the left side of the frame.
Specifications
| Weight (empty) | 1162 g (41.0 oz) |
| Overall Length | 241 mm (9.49") |
| Barrel Length | 102 mm (4.02") |
| Height | 152 mm (5.98") |
| Width | 44 mm (1.73") |
| Firing Mechanism | Double Action Single Action |
| Trigger Type | Double Action Single Action |
| Trigger Pull | 51 N (11.5 lbf) |
| Magazine Capacity | 6 rounds |
| Magazine Type | Rotary |
| Muzzle Velocity | 245 m/s (804 fps) |
| Muzzle Energy | 478 J (353 ft·lbf) |
| Effective Range | 50 m (55 yd) |
| Barrel Rifling | Right Hand |
| Rifling Twist | 476 mm (18.74") |
| Number of Grooves | 5 |
| Frame Material | Carbon Steel |
| Barrel Material | Carbon Steel |
| Finish | Blue |
Calibers
- .44 Special · primary — also known as .44 S&W Special, .44 Spl
Features
- Firing modes: Semi Automatic
- Feed systems: Revolving Cylinder
- Safety mechanisms: Transfer Bar
- Features: N Frame, Fixed Sights, Swing Out Cylinder, Round Butt, Half Moon Front Sight, Groove Rear Sight, Thunder Ranch Logo
Production
Estimated total produced: 1,200 · Production years: 1950-1966, 2004-present
Original production: only 1,200 units (1950-1966). Revived in 2004 as Thunder Ranch edition, continues in limited production.
Origin
Country of origin: United States
Designer: Clint Smith (Thunder Ranch revival)
Notes
Clint Smith's advocacy for the .44 Special revival was based on his belief that the cartridge offered an ideal balance of stopping power and controllability for defensive use. After firing an original Model 21, Smith reportedly said 'You know, this would make a fine fighting revolver,' leading to discussions with Smith & Wesson that resulted in the 2004 revival. The Thunder Ranch Model 21-4 proved so successful that Smith & Wesson and Thunder Ranch collaborated on a second revolver, the Model 22-4 in .45 ACP, released in late 2005. The .44 Special cartridge, introduced in 1907, was originally designed as a target and law enforcement round, offering better ballistics than .38 Special in a larger frame revolver. Legendary gunwriter Elmer Keith used the .44 Special as the basis for developing heavy handloads that eventually led to the creation of the .44 Magnum. The N-frame construction provides the strength and weight necessary to handle the .44 Special with minimal felt recoil, making it pleasant to shoot compared to magnum revolvers. The fixed sights and round-butt configuration are optimized for defensive carry and use rather than target shooting. The Model 21 revival continues in limited production today as part of Smith & Wesson's Classic series.
Background
When Clint Smith convinced Smith & Wesson to revive the Model 21 in 2004, he resurrected a cartridge many had written off as obsolete. The .44 Special had been overshadowed by its more powerful offspring, the .44 Magnum, for nearly 50 years. But Smith recognized what Elmer Keith knew in the 1920s: the .44 Special hits hard enough for any defensive scenario while remaining controllable enough to shoot accurately under stress-proving that sometimes 'enough gun' beats 'too much gun.'