20 Gauge Shotgun Choke Size Chart

This chart lists the common choke sizes for 20 gauge standard shotguns. Diameter is measured in inches for Cylinder, Skeet, Improved Cylinder, Modified, Improved Modified, and Full choke.

20 Gauge Choke Type	Diameter (in.)
Cylinder	0.625
Skeet	0.621
Improved Cylinder	0.603
Modified	0.595
Improved Modified	0.590
Full	0.585

This chart lists the common choke sizes for 20 gauge standard shotguns. Diameter is measured in inches. Sizes are approximate.

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For choke sizes of other gauges and brands, see this chart.

20 Gauge Choke Sizes

The table above lists the choke sizes for standard 20 gauge shotguns from least constrictive to most constrictive (cylinder to full). Cylinder is the least restrictive 20 gauge choke size at 0.625″. It is followed by Skeet (0.621″), Improved Cylinder (0.603″), Modified (0.595″), Improved Modified (0.590″), and Full (0.585″).

20 gauge is the second most popular shotgun gauge, trailing only that of the 12 gauge. The 20 gauge is used for upland game hunting for quail, pheasants, and dove. Shotguns in 20 gauge are also popular for skeet and trap shooting.

More Choke Size Charts by Gauge

These are the most common choke sizes of popular shotgun gauges. Please click the links below to see the choke size chart for the respective gauge.

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