Quick view Otis Otis Star Chamber Cleaning Tool, Otis Fg-2715pdb Star Chamber Pads 5.56 $5.92 These replacement pads are for the star chamber cleaning tool and are constructed of felt.This model is for 5.56mm rifles and comes in a pack of 12.Type: Replacement PadsSize: 5.56mm/AR-15Quantity: 12PKMaterial: FeltSuitable For: Rifles Compare Add to Cart