Smith & Wesson Model 327 M&P R8
Smith & Wesson · Pistol · In Production · 2007
Also known as: M&P R8, 327 TRR8, Model 327 Performance Center
Overview
The Smith & Wesson Model 327 M&P R8 is a tactical N-frame revolver chambered in .357 Magnum, introduced in 2007 as a Performance Center variant of the revolutionary Model 327 specifically designed for law enforcement tactical applications and duty carry. The 'R8' designation indicates the unprecedented eight-round cylinder capacity that provides a 33% firepower advantage over traditional six-shot police revolvers, while 'M&P' references Smith & Wesson's Military & Police lineage dating back to 1899. Built on the company's large N-frame architecture using lightweight scandium aluminum alloy construction, the M&P R8 weighs approximately 36.3 ounces with its 5-inch barrel and features an integral underbarrel Picatinny-style accessory rail for mounting tactical lights or lasers, plus a removable Picatinny-style mount on the topstrap for mounting red dot optics-making it one of the most tactically equipped production revolvers ever manufactured. The revolver features Performance Center enhancements including a Wolff mainspring and traditional sear for a smooth double-action trigger pull, polished button polygonal rifling for improved accuracy and velocity, precision barrel forcing cone for reduced bullet deformation, optimum barrel-cylinder gap for maximum efficiency, chamfered charge holes for faster moon clip loading, and ball detent cylinder lockup for rock-solid timing. The M&P R8 ships with two full moon clips for rapid reloading and interchangeable front sights.
Specifications
| Weight (empty) | 1021 g (36.0 oz) |
| Overall Length | 241 mm (9.49") |
| Barrel Length | 127 mm (5.00") |
| Height | 152 mm (5.98") |
| Width | 41 mm (1.61") |
| Firing Mechanism | Double Action Single Action |
| Trigger Type | Double Action Single Action |
| Trigger Pull | 20 N (4.5 lbf) |
| Magazine Capacity | 8 rounds |
| Magazine Type | Rotary |
| Muzzle Velocity | 425 m/s (1394 fps) |
| Muzzle Energy | 732 J (540 ft·lbf) |
| Effective Range | 50 m (55 yd) |
| Barrel Rifling | Right Hand |
| Rifling Twist | 476 mm (18.74") |
| Number of Grooves | 5 |
| Frame Material | Scandium Alloy |
| Barrel Material | Stainless Steel |
| Finish | Matte Black |
Calibers
- .357 Magnum · primary — also known as .357 Mag, .357 S&W Magnum, 9x33mmR
- .38 Special — also known as .38 Spl, .38 S&W Special, 9x29mmR
Features
- Firing modes: Semi Automatic
- Feed systems: Revolving Cylinder
- Safety mechanisms: Transfer Bar
- Features: N Frame, Adjustable Sights, 8 Shot Cylinder, Scandium Frame, Picatinny Rail
Base model
Service history
Operators
- Various law enforcement agencies · adopted 2007
Production
Production years: 2007-present
Continuous production for over 15 years; popular with law enforcement tactical units
Origin
Country of origin: United States
Notes
The M&P R8 was introduced in 2007 as a Performance Center product specifically targeting law enforcement agencies seeking a modern tactical revolver with high capacity and accessory mounting capability. The 'R8' designation indicates the eight-round capacity, while 'M&P' honors Smith & Wesson's Military & Police revolver heritage. The integral Picatinny rail allows mounting of weapon lights like SureFire or Streamlight models, while the optional top-mounted Picatinny rail accommodates red dot sights such as Aimpoint, Trijicon, or Leupold. The Performance Center trigger work provides a smooth double-action pull averaging 8-10 pounds and a crisp single-action break around 4-5 pounds-significantly improved over standard production revolvers. The 5-inch barrel provides excellent accuracy and velocity, pushing 125-grain .357 Magnum loads to approximately 1,450 feet per second. Original MSRP was approximately $1,350 USD; current models retail around $1,600-1,800. The M&P R8 gained visibility through its appearance in The Walking Dead television series as Rick Grimes' sidearm. Despite the tactical focus and accessory rails, the scandium frame keeps weight manageable at just over 36 ounces, lighter than many full-size semi-automatic pistols.
Background
The M&P R8 represents Smith & Wesson's answer to the question 'what would a 21st-century police revolver look like?' Combining the proven reliability of revolver action with tactical rails for lights and optics, Performance Center craftsmanship, and eight-shot capacity, it's a revolver designed for the modern era. Its appearance as Rick Grimes' signature weapon in The Walking Dead introduced a new generation to the tactical revolver concept.