I have for sale 2 Beta Mag 100 round drums for the H&K 9mm subguns and SP89 pistols. I am asking $400.00 for each beta mag. They both have the clear window option to allow you to see how many rounds you have left. comes brand new in the box. I only opened to take a photo of the beta mag. They were manufactured in 2005 so check your state laws. I accept paypal buy buyer must pay fees.