Mack's Prairie Wings Exclusive and Limited Edition, only 50 calls made!A big volume take on the proven Mondo Duck Call, the Big Bad Bass Mondo Duck Call from RNT Calls helps duck hunters cover their tailgate at the end of the day. Based on the Cut Down Key Hole calls made famous by guides hunting high pressured, public grounds ducks in the hardwood bottoms of Arkansas and Louisiana, this call helps duck hunters deliver southern-style duck calling. Giving its proven and popular Mondo duck call a 450 bore on the barrel, this call delivers Mondo sound with more volume and range. Its short insert creates very little back pressure, allowing hunters to crank out the hard, loud, raspy lick of a mallard hen as well as the loud squeaky chatter desired by guides working public ground areas. Single reed design. Big volume version of the proven and popular Mondo Duck Call Delivers southern "Mondo" style of calling Similar to the popular Cut Down Key Hole style of duck calls Produces hard, loud, raspy lick of a mallard hen as well as loud squeaky chatter 450 bore on the barrel - big volume and range Single reed design