Here is a great gun magazine for Weatherby MK XXII guns. This is a 10rd 22 Cal gun mag. This magazine fits guns with Beretta serial numbers with no letters and Ktg guns with serial numbers that start with "J". Does not fit Nikko guns Made in the usa by Tripe K from heat treated steel and has a steel floor plate and a polymer follower. Spring is made from carbon steel. Round indicators on side of magazine body. Orders shipped within 24 hours except week-ends and holidays.