Mossberg 12 Gauge All Purpose Barrel 28in 6 Shot Matte Blue. It has a matte blued finish. Specifications for Mossberg 12 Gauge All Purpose Barrel 28in: Manufacturer: Mossberg Color: Blue Finish: Matte Barrel Length: 28 in Gauge: 12 Gun Make: Mossberg Gun Model: Mossberg Model 500 Mossberg Maverick 88 Choke Type: Accu-Set Package Content Mossberg 12 Gauge All Purpose Barrel 28in 6 Shot Matte Blue What firearm models does the manufacturer say Mossberg 12 Gauge All Purpose Barrel 28in is compatible with? The manufacturer suggests that Mossberg 12 Gauge All Purpose Barrel 28in is compatible with Mossberg Maverick 88 Mossberg Model 500Mossberg 90123: 12 Gauge All Purpose Barrel 28in 6 Shot Matte Blue