The BBs used are the industry standard 6mm plastic type . Why not enjoy indoor shooting all year long. All MFI selected Air Soft products are chosen for there remarkable resemblance to the real thing. We rate the SIG 550 at an amazing 99 points out of 100 for realism. Special 8.4 volt rechargeable.
Body is ABS Plastic.
Barrel, Gas System, Attachment Hardware, Trigger and Switchs are metal. At about 330 feet per second . Breaks through a standard NRA target at 15 feet. Flat trajectory out to 45 feet. MFI Home Page Send E-Mail To Us.