It sure did, and I for one could not be happier that they landed here! I'll take the stripped down aesthetic of the faux "M3 Super 90" over the clunky look and function of the SPAS-12 every time. I am very happy with mine, although the requirement for high-velocity ammo means accepting a bit more recoil in semi-auto mode. The inertia/recoil operating system demands full-power loads for reliable semi-automatic operation, although pump-operation is always an option for lower-powered rounds.
I am really very pleased with the apparent quality and demonstrated functionality of the Sulun "M3 (M4) Super 90" clone. It is a quality shotgun that functions equally well in both its semi-automatic and manual pump-action modes.
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Note: The pictured Buttstock is a "Black Aces" aftermarket product that fits both the Benelli M4 and the Sulun M3/M4 Receivers. Factory configuration is a fixed-length "Field Buttstock". The Bayonet Mounting System is designed for a Mossberg M500 shotgun but functions perfectly with the Sulun "M3/M4 Super 90".