Girsan MC312 Goose/Waterfowl, Inertia Driven Semi-automatic, 12 Gauge, 3.5 Chamber, 30 Barrel, Black, Polymer Stock & Forend, Red Dot Sight, Screw-in Chokes, 5Rd 390153 Your go-to" every-day or truck-gun is here. The Girsan MC312 12 GA" 30" inertia S/A shotgun is an unbelievable value for a shotgun that will never let you down. As proof of its never-ending performance" EAA ran a 5000-round test with no cleaning. Not a problem. EAA loaded up more punishment" a 10"000-round endurance test with no replacing of any parts. Needless to say" the Girsan MC312 shotgun took its punishment like the champ it is. Home defense" hunting or target shooting" the MC312 shotgun might be tough enough to outlast you.