High Power Rifle, BPCR and Cowboy Lever Action use full size targets, half inch thick chickens and pigs, three-eighth inch thick turkeys and rams.
Pistol Cartridge Cowboy uses half size targets, three-eighth inch thick.
Smallbore Cowboy uses half size targets, three-sixteenth inch thick rams, quarter inch thick turkeys and pigs, and three-eighth thick chickens.
Smallbore Rifle uses one-fifth size targets, quarter inch thick pigs, turkeys and rams, one quarter to one half inch thick chickens.
Air Rifle targets are one-tenth size, one eight inch thick.
Full size chicken feet are 3 inches by 4. Pig feet are 2 x 4. Turkey feet are 3 x 8. Ram feet are 4 x 5.
All half size targets have feet 2 inches x 4 inches. All one-fifth scale target's feet are 1 inch wide by 2 inches long.
High Power Rifle targets have to be made of a specific type of tempered steel.
Shooting Paul has NRA Official Target Size drawings on his web site:
http://www3.sk.sympatico.ca/proszak/- Jim