G&H M4 Stationary Head Mallard Decoys - 6 Pack - If you were going to only buy one decoy to last generations, the G&H Standard M4 Mallard is as reliable as they come. It is battle tested. It can take a beating. The G&H M4 Standard Mallard Decoy is 16in long and comes in a sets of one dozen with eight drakes and four hens. A tried and true decoy that your grandkids can hunt over.