Well this should start something. I currently have two Mossberg 500 Persuaders (50411 & 50521) and I am trying to decide which one to keep. Both are 18.5 inch and 5+1 capacity. Both have the original synthetic full stock and pistol grip. The 50411 is Blue and the 50521 is Matte. I have a ATI Akita Adjustable stock and a Mesa ShureShell 6-Shot carrier that can go on either shotgun (note: the fore end would have to be swapped as the 50411 has the "corncob" front end and the 50521 has the longer "pinned" front end. I could not get the 50521 so I purchased the 50411. After receiving it the 50521 became available and I bought it on a whim hence my quandry. Putting both of them side by side they both have their strong points. Requesting comments.