Vincent's Hobby Shop showcases the EC645-1 DD4 PDW airsoft unit from E&C, with its features such as as a replica of a reliable AR-style pistol suitable for home and personal defense. The full metal unit includes flip-top and detachable front and rear sights, a quad rail or ML quad rail, a barrel assembly, a Maxim defense retractable tanker-style butt stock, engraved logos, an 11-inch red dot, semi and full-auto modes, an enlarged trigger guard, and a 90-round polymer magazine, making it ideal for CQB gaming with potential for upgrades like longer barrels and silencers. 

The package contains an instruction manual, brochure, and lipoly battery, and the approximately 3 kg, 53 cm long unit is available in gray, tan, and black, with showcased accessories including a sling, red dot, flashlight with laser, and forward grip.