With all my smarts, I accidentally ordered an XDm magazine for my XD pistol This is straight from Springfield Armory. It is for the compact and has the extension as you will see in the pictures below. I am not trying to get rich of this. I am selling it for the exact price I paid for it. You don't even have to pay the shipping I did. I'll consider that my "oops tax". This is straight from the Springfield website: 9MM 19 RD Compact Magazine w/Black X-Tension #1 $44.00 That is all I want for it. $44.00. SOLD PENDING FUNDS Message me if you would like to purchase it. I am in Tualatin but don't mind driving a little bit to meet you somewhere.