Bore Tech's Shotgun Blend Bore Cleaner is a specially formulated bore cleaner that effectively cleans lead, powder and plastic wad fouling from barrels, forcing cones and choke tubes with ease. Shotgun Blend surpasses the rigorous demands of the 21st century shotgun shooter and has become the cleaner of choice for world renowned trap, skeet and competition shooters.Shotgun Blend's proprietary formulation features a combination of chemicals that contains no ammonia, no offensive odors and is 100% biodegradable. It has the ability to simultaneously cut through the layers of lead, carbon and plastic wad fouling that accumulate inside the barrel.Shotgun Blend uses an exclusive blend of surfactants, penetrants and releasing agents to penetrate and lift lead and plastic wad fouling off of the barrel's surface. The proof is on the patch, so do not be surprised when you see flecks of lead and strands of plastic wad fouling coming out the end of your bore!