This Umarex product comes with a 60 day warranty provided by Umarex USA. Warranty repair or replacement on this item must go through the Umarex Service Center and does not fall under the Shorty USA warranty. Click for more information on the Umarex LIMITED 60 DAY WARRANTY. Spare 22 round magazine for KWA/Umarex H&K USP Compact and USPC Tactical. This magazine will only work in NS2 models.