Compact gauges allow quick and easy identification of shotgun choke sizes and chamber lengths. Built from soft brass to help prevent scratching or marring the barrel and chamber. Stepped, one-piece, brass choke gauge with easy-to-read markings clearly indicates cylinder, modified, and full choke on all 28, 20, 16, 12, 10 gauge and .410 bore shotguns. Includes a separate chamber length gauge that measures: 1", 2", 2½", 2¾", 3", and 3½" length chambers. Folds together for compact storage.
SPECS: Machined brass. 4½” (11.4cm) long x 13⁄16" (2.1cm) wide. Identifies cylinder, modified, and full choke. Measures 1”, 2”, 2½” 2¾”, 3”, and 3½” length chambers. Fits .410bore/28/20/16/12/10 gauge.
Catalog page 478