Depends on your market probably.
I have seen prices listed for new ones for $225, but then you tack on an FFL transfer and shipping (these were in catalogs) and it is much more. I paid more than $225 for my new one recently, bought locally.
I think if I was in the market for one I would be willing to pay $200 for a lightly used one, maybe $225 (simply because new ones are harder to get for cheap around here) but, depending on what the demand is in your area, you might have no trouble at all selling it for $225, if you run into the right buyer. Which is going to be the key.
On AuctionArms it looks like they are running around $250 on average.
I think you could sell it for $225...but the perceived (if not actual) effect of depreciation is going to make it easier to sell for cheaper than that, most likely. But I'd try the upper end price. Maybe sell it on an online auction site, perhaps.