What type of shotgun and ammo do I use for a particular game?

Below is a chart of recommended shot size, gauge, choke and barrel length for different types of game:

Recommended Specifications for Various Game

Game	Shot Size	Gauge	Choke	Barrel Length
Turkey, Geese, Fox	BB, 2, 4	12, 16, 20	Modified or Full	24" to 32"
Ducks (Pass Shooting)	BB, 1, 2 (steel)	12, 16 20	Modified or Improved Cylinder	30" or 32"
Ducks (Over Decoys)	2, 4 (steel)	12 16, 20	Modified or Improved Cylinder	26" or 28"
Pheasants	5	12, 16, 20, 28	Modified or Improved Cylinder	26" or 28"
Sage Grouse, Prairie Chicken	4, 5, 6	12, 16, 20, 28	Modified or Improved Cylinder	26" or 28"
Squirrel, Rabbit	5, 6	12, 16, 20, 28, .410	Modified	28" or 30"
Partridge, Grouse	6, 7 1/2	12, 16, 20, 28, .410	Modified or Improved Cylinder	26" or 28"
Quail, Doves	7 1/2, 8	12, 16, 20, 28, .410	Modified or Improved Cylinder	26" or 28"
Woodcock, Jacksnipe, Rail	7 1/2, 8, 9	12, 16, 20, 28, .410	Improved Cylinder	26"
Trap	7 1/2, 8	12	Full, Improved Modified, Modified	30" to 34"
Skeet	9	12, 16, 20, 28, .410	Skeet	26" or 28"
Deer	Rifled Slug, Sabot or 00 Buck Shot	12, 16, 20	Modified, Improved Cylinder or Special*	22" to 26"

* Browning offers a series of game gun shotguns with rifled barrels or rifled choke tubes.