Here is a gun magazine for the diamondback db9fs guns. This is a Factory 15 round double stack magazine that is made from heat treated steel and uses a polymer base and follower. This gun magazine will give you years of reliable service. Manufacturer Part #: DBFS-MAGC. Gunclip Depot has the largest selection of gun magazines and gun clips. If you do not see the gun magazine you are looking for send us an email and we will try to locate it for you. Orders shipped within 24 hours except for week-ends and holidays.