This is the Rock Island Armory 1911 XT22 .22LR 10-round magazine. 

This factory 10-round magazine is designed specifically for the Rock Island Armory 1911 XT22 and is as reliable as it gets.

With an all-polymer design, it strikes the perfect balance of weight and durability. The icing on the cake is the side-facing witness windows, which allow you to perform capacity checks quickly and easily. 

Whether hitting the range or dispatching varmint on the farm, having a few spare magazines loaded and ready is a must! Grab a few of these genuine Rock Island Armory magazines while you can. 

These will sell quickly, so throw a few in the cart before checking out!