The Hoppe's Phosphor Bronze Brush is specifically designed for 28 gauge shotguns and built with durable construction for efficient barrel cleaning.Hoppe's Phosphor Bronze Cleaning Brush for 28 GaugePhosphor bronze bristles for effective scrubbing actionMost effective on lead deposits and foulingStout construction for reliable long-lasting useSKU: 1311AP UPC: 026285514155Essential for maintaining your 28 gauge shotgun this brush effectively removes lead buildup and other fouling to keep your firearm in optimal condition.