The Diamondback DB15 YPB chambered in 5.56mm is a variant of the DB15 series of semi-automatic rifles manufactured by Diamondback Firearms. Here are some specific details about the Diamondback DB15 YPB chambered in 5.56mm:

1. Caliber: The DB15 YPB is chambered in 5.56x45mm NATO or .223 Remington. These calibers are commonly used in AR-15 style rifles and offer a wide range of ammunition options.
2. Design and Construction: The DB15 YPB features a traditional AR-15 platform design, utilizing a gas-operated system with a direct impingement operating system. The rifle typically has a forged 7075-T6 aluminum receiver, which provides strength and durability while keeping the overall weight of the rifle relatively light.
3. Barrel Length: The DB15 YPB is available with various barrel lengths, typically ranging from 16 inches to shorter options like 10.5 or 11.5 inches. The specific barrel length can impact the rifle’s overall size, maneuverability, and shooting characteristics.
4. Magazine Capacity: The DB15 YPB typically accepts standard detachable box magazines with various capacities, such as 30 rounds. However, it’s important to check your local laws and regulations as magazine capacity restrictions may apply in some jurisdictions.
5. Handguard and Rail System: The DB15 YPB may come equipped with a free-floating handguard featuring a Picatinny or M-LOK rail system. This allows for the attachment of accessories such as optics, lights, grips, bipods, or other tactical accessories based on user preferences.
6. Iron Sights: Some models of the DB15 YPB may come with flip-up or fixed iron sights, which can serve as backup sights in case of optic failure or as primary sights for shooters who prefer them.
7. Controls: The DB15 YPB utilizes standard AR-15 style controls, including a charging handle, safety selector, magazine release, and bolt catch. These controls are familiar to those experienced with the AR-15 platform.
8. Stock: The DB15 YPB typically features a collapsible or adjustable stock, allowing for length of pull adjustments to accommodate shooters of different sizes or for ease of storage and transport.
9. Weight and Length: The weight and overall length of the DB15 YPB can vary depending on the specific model, barrel length, and configuration. Generally, the AR-15 platform is designed to be relatively lightweight and maneuverable.

It’s important to note that the features and specifications of the Diamondback DB15 YPB can vary based on the specific model and any modifications or accessories added by the user. It’s also essential to familiarize yourself with local laws, regulations, and requirements related to firearm ownership and use, including any restrictions on rifle configurations or specific calibers in your jurisdiction.