Description

WILL NOT FIT 22/45
Factory Ruger 90231 10 round magazine with SILVER BASE

90231 is what Ruger shipped with new Mark 3 and ships with Mark 4 pistols.
This magazine will also work in Mark 2 and Mark 1 pistols.
For older Mark 1 (right hand follower button) you will need to swap the button to the right side.

Click Here for our page on how to properly adjust your magazines to feed properly
*NO RUGER magazine comes from Ruger perfect.