CODE BLACK SNOW PLOW tubes will extend out the end of your barrel 1 ½". This product will give you a Full pattern with an effective range up to 70 Yards. The only difference between the Patternmaster CODE BLACK SNOW PLOW and Patternmaster CODE BLACK GOOSE is the color. Patternmaster applies a StrongBond White Powder Coat to the end of the SNOW PLOW tube to better conceal the tube during the fun, fast paced, Snow Goose mass casualty event.