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What type of bullets do semi automatics take?

Semi-automatic firearms can take a variety of bullet types depending on the gun's design and caliber. These include:

1. Centerfire Ammunition:

- Pistol Calibers:

- 9mm Parabellum (9x19mm)

- .40 Smith & Wesson (.40 S&W)

- .45 Automatic Colt Pistol (ACP)

- 10mm Auto

- Rifle Calibers:

- .223 Remington/5.56x45mm NATO

- .308 Winchester/7.62x51mm NATO

- 5.45x39mm

- 7.62x39mm

2. Rimfire Ammunition:

- .22 Long Rifle (.22 LR): Commonly used in semi-automatic pistols, rifles, and carbines.

3. Shotgun Shells:

- Various gauges, such as 12-gauge, 20-gauge, or .410 Bore, depending on the shotgun.

It's important to carefully check the specific firearm's user manual or consult with an expert to determine which bullet type(s) are compatible and safe to use in your semi-automatic firearm. Using incorrect ammunition can be dangerous and may damage your gun.