.327 Federal Magnum

The .327 Federal Magnum is a powerful and versatile handgun cartridge developed jointly by Federal Premium Ammunition and Sturm, Ruger & Co. in 2007. It was designed to offer superior ballistic performance in a smaller package compared to other revolver cartridges like the .357 Magnum or .38 Special. Here’s an overview and its specifications:

Overview

• Purpose:
  The .327 Federal Magnum was created to provide a high-performance cartridge for revolvers, delivering a balance of manageable recoil, high velocity, and flat trajectory. It’s suitable for self-defense, hunting small to medium game, and target shooting.
• Unique Features:
  • Allows revolvers to carry six or more rounds in a cylinder traditionally limited to five with larger calibers like .357 Magnum.
  • Designed to deliver less recoil than the .357 Magnum, making it accessible to a broader range of shooters.

Specifications

• Cartridge Dimensions:
  • Case Type: Rimmed, straight wall.
  • Bullet Diameter: 0.312 inches (7.92 mm).
  • Neck Diameter: 0.337 inches (8.56 mm).
  • Base Diameter: 0.337 inches (8.56 mm).
  • Rim Diameter: 0.375 inches (9.53 mm).
  • Case Length: 1.20 inches (30.48 mm).
  • Overall Length: 1.47 inches (37.34 mm).
• Performance:
  • Typical Bullet Weights: 85 to 115 grains.
  • Muzzle Velocity: 1,300 to 1,800 feet per second (depending on load).
  • Muzzle Energy: 350 to 500 ft-lbs.
• Recoil:
  Recoil is moderate compared to the .357 Magnum but more noticeable than the .38 Special, offering a middle ground for shooters seeking manageable performance.
• Compatibility:
  • Revolvers chambered for .327 Federal Magnum can also fire .32 H&R Magnum, .32 S&W Long, and .32 S&W cartridges for versatility.

Applications

1. Self-Defense:
   High velocity and energy make it effective for stopping threats, while its smaller size allows higher cylinder capacity.
2. Hunting:
   Suitable for small and medium game, such as varmints and predators, due to its high velocity and penetration.
3. Recreational Shooting:
   The flat trajectory and versatility of ammunition options make it enjoyable for target practice.

Common Firearms Chambered for .327 Federal Magnum

• Ruger:
  • SP101
  • LCR
  • Single-Seven
• Smith & Wesson:
  • 632
• Taurus:
  • Model 327