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Reloading subsonic ammunition offers a quieter and more precise shooting experience, making it ideal for various applications, including target shooting, hunting, and suppressed firearms. Here are a few general guidelines for the most popular calibers for subsonic ammunition:
- 9mm Luger (.9mm Parabellum): The 9mm is a popular choice for subsonic loads due to its widespread use and availability. Subsonic 9mm loads often employ heavier bullets in the 147 to 158-grain range for stability at lower velocities.
- .45 ACP (Automatic Colt Pistol): The .45 ACP is another excellent choice for subsonic shooting, known for its relatively large, heavy bullets. Common bullet weights for subsonic .45 ACP loads range from 200 to 230 grains.
- .300 Blackout: .300 Blackout was practically designed for subsonic use and is a popular choice for suppressed rifles. Subsonic .300 Blackout rounds often use bullets in the 190 to 220-grain range.
- .308 Winchester (7.62x51mm): The .308 Winchester is a versatile caliber for subsonic loads, suitable for both semi-automatic and bolt-action rifles. Subsonic .308 Winchester loads typically employ bullets in the 180 to 220-grain range.
- 6.5mm Creedmoor: The 6.5mm Creedmoor offers excellent accuracy potential with subsonic loads, making it a popular choice among precision shooters. Subsonic 6.5mm Creedmoor loads often use bullets in the 140 to 160-grain range.
- .223 Remington (5.56x45mm): While not the most common choice for subsonic loads, .223 Remington can be loaded subsonically for AR-15 platforms. Subsonic .223 Remington rounds typically use heavier bullets in the 75 to 90-grain range.
- .357 Magnum: The .357 Magnum, when loaded subsonically, offers excellent performance in revolvers and lever-action rifles. Subsonic .357 Magnum loads often use bullets in the 158 to 180-grain range.
- .44 Magnum: Suitability: The .44 Magnum, when loaded to subsonic velocities, is a hard-hitting option for handguns and lever-action rifles. Subsonic .44 Magnum loads frequently employ bullets in the 240 to 300-grain range.