colt 45 1911 high capacity mag magazine

Clearing out my .45 gear and consolidating to 9mm. Found this in my stash. I can't remember how many rounds it holds, I believe it was 20. The over all length is 9 1/2". I bought it from a pawn shop years ago and never used it. $20 shipped to where it is legal. Please post " I will take it" or...