The Daniel Defense DDM4 V7 is a popular rifle manufactured by Daniel Defense, a well-known firearms company based in the United States. The DDM4 V7 is part of the DDM4 series, which is known for its high-quality AR-15-style rifles.Here are some key features and specifications of the Daniel Defense DDM4 V7:

1. Caliber: It is chambered in 5.56x45mm NATO/.223 Remington. Some variants may be available in different calibers, such as 300 Blackout.
2. Barrel: The DDM4 V7 typically comes with a 16-inch cold hammer-forged chrome-moly vanadium steel barrel, which provides durability and accuracy. It is threaded to accept muzzle devices or suppressors.
3. Handguard: It features a free-floating M-LOK handguard, which allows for the attachment of accessories and provides a lightweight and ergonomic design.
4. Gas System: The DDM4 V7 utilizes a mid-length gas system, which helps to reduce recoil and improve reliability.
5. Furniture: It comes equipped with a six-position collapsible stock and a comfortable pistol grip, both of which are adjustable to accommodate different shooters.
6. Controls: The rifle features ambidextrous controls, including an ambidextrous safety selector and magazine release, making it suitable for both left-handed and right-handed shooters.
7. Sights: The DDM4 V7 typically does not come with iron sights, but it has a Picatinny rail section on the upper receiver, allowing you to attach various types of optics or iron sights.
8. Magazine Capacity: It uses standard AR-15 magazines and typically has a 30-round magazine capacity.

It’s worth noting that firearm models and specifications may change over time, so it’s always best to refer to the manufacturer’s website or contact a reputable dealer for the most up-to-date information on the specific model you are interested in.