The Fabarm SDASS Tactical is a shotgun designed for police and/or security uses and has some special features such as folding front sight, built-in Picatinny rails on the top of the receiver, lengthened forearm to provide better control over the gun.
This is the main production variant; the others stem off of this design with slight body differences.
The SDASS has an under-barrel tubular magazine like many other semi-automatic shotguns and holds 7 cartridges plus 1 in the chamber giving a total capacity of 8.
The stock is made from a composite polymer which is the most changed structural feature among the different SDASS variants.
The standard Fabarm SDASS Tactical retails for $649 however its variants range in price from $600 all the way to $900.