American National Firearms Shotgun Bore and Choke Gauge
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American National Firearms Shotgun Bore and Choke Gauge
Precision cnc machined aluminum
Easy to read makings
Handy lanyard or key ring hole
Lifetime Warranty
Handy anodized aluminum bore gauge makes checking shotgun bore and choke sizes effortless. Simply insert the gauge into your choke or bore and the last ring to drop easily into the hole indicates the bore size. Each step of the tool matches industry standard sizes for Cylinder (CYL), Improved Cylinder (IC), Modified (M), Improved Modified (IM) and Full (F) choke sizes over the five most common American shotgun bore size designations (12 gauge, 16 gauge, 20 gauge, 28 gauge and .410.) Easily identify your unmarked chokes or take it with you to gun shows and pawnshops to verify bore / choke sizes prior to purchase of used guns. The high definition white lettering is easy to read over the contrasting black finish, and a handy attachment point for key ring or lanyard means you never have to go to a gun shop without it. Whether you are a hunter, gunsmith or shop owner, this beautifully crafted, time-saving tool is sure to become a favorite for it's convenience, accuracy and ease of use. Note that British and some other European shotgun bore sizes and size designations differ slightly from American bore sizes. *** Indicated sizes are representative of industry standards for American shotgun bore and choke sizes, which are slightly different than British and some other European shotgun sizes. Variations exist among choke and barrel manufacturers with respect to design, specification, production tolerance and nominal size designation. Every effort has been made to manufacture this reference tool to the highest possible standards. Always pattern your shotgun to know real-world results.***