This is a factory new Ruger Bx 25 two pack mag, here is the information from the Ruger website about the mag:

This two-pack of genuine Ruger® factory magazines with Ruger logo has been tested and has proven to feed as reliably as the standard BX-1 10-round Ruger® rotary magazine. BX-25® magazines will work with any factory original 10/22® Rifle, SR-22® Rifle, 22 Charger™ Pistol, .22 LR Ruger American Rimfire® Rifle and .22 LR Ruger 77/22® Rifle.

25-round magazines are not available in all states and locales. We cannot bill to or ship 25-round magazines to the following states and cities: California, Colorado, Connecticut, Delaware, Hawaii, Illinois, Maryland, Massachusetts, New Jersey, New York, Rhode Island, Vermont, Washington State, Washington DC. DO NOT ORDER THIS PRODUCT if you live in these locations.
Genuine Ruger® Factory Accessory.

SOLD AS IS NO REFUNDS NO RETURNS. We are open Mon-Fri, any questions or offers asked over the weekend won’t be answered until Monday. We are a small family run business. We appreciate your support. If you have a problem please contact us first.

There is a 3% credit card fee on the total, sales tax will be added, money must be here within 5 days. If the order is cancelled or payment not received non paying bidder feedback will be left. All parts should be examined by a gunsmith before firing or installing them on your gun.