The HK VP40/P30 .40 S&W 13-round magazine is a factory-made magazine designed for use with firearms like the Heckler & Koch VP40 and P30 chambered in .40 Smith & Wesson (also known as .40 S&W). Here are some key details about this magazine:

1. Caliber Compatibility: The magazine is designed for use with firearms chambered in .40 Smith & Wesson, which is a widely used pistol caliber known for its stopping power.
2. Capacity: The magazine has a capacity of 13 rounds. This provides the VP40 and P30 pistols with a reasonable ammunition capacity, making them suitable for various applications, including law enforcement and self-defense.
3. Construction: Heckler & Koch (HK) factory magazines are known for their quality construction. They typically feature a steel magazine body for durability and reliability.
4. Compatibility: The magazine is designed specifically for use with HK firearms like the VP40 and P30 chambered in .40 S&W. It may not be compatible with other firearms that are not designed to accept HK-style magazines or those chambered in different calibers.
5. Availability: HK factory magazines are generally available through reputable firearms retailers or distributors that specialize in HK firearms and accessories.
6. Legal Considerations: Always be aware of and comply with local, state, and federal laws and regulations regarding magazine capacity and firearm ownership. Magazine capacity restrictions can vary by location, so it’s essential to understand and adhere to local laws.

The Heckler & Koch VP40 and P30 are reputable and reliable firearms, and the availability of factory magazines with a standard capacity of 13 rounds ensures that users have reliable and compliant options for their .40 S&W pistols, whether for duty use or personal defense.