Briley Blaser Spectrum Choke 12 Gauge Cylinder .000. Briley offers a full range of chokes for shooters who enjoy both field and clay bird shooting. Their engineering manufacturing and quality standards give the Briley line a distinct advantage. Briley utilizes a fully-manufactured high boron tool steel to manufacture these chokes ensuring tight constriction and high performance. The Briley chokes can be used in many different types of shooting situations each designed to produce the optimum pattern in the fastest time possible. Briley chokes can be used with slugs buck shot slugs and even slugs. Many shooters are surprised to learn that Briley chokes can produce great results in the field but are not recommended for use with a slug shot. Specifications for Briley Blaser Choke Tube: Manufacturer: Briley Gauge: 12 Gun Make: Blaser Quantity: 1 Condition: New Package Contents: Briley Blaser Choke Tube Briley BLAS12CYL: Blaser Spectrum Choke 12 Gauge Cylinder .000