WMD Guns Accent Build Kit .308 Nitromet Black. We also include the pins and spring kit for the Lower Controls. (Does not include any trigger components). Specifications for WMD Guns .308 Accent Build Kit: Manufacturer: WMD Guns Caliber: .308 Winchester Gun Make: AR Platform Projectile Caliber: .308 Caliber Package Contents: WMD Guns .308 Accent Build Kit WMD Guns 1-ACCKIT308-NM: Accent Build Kit .308 Nitromet Black