How much grain is in a birdshot 20 gauge?

In a 20-gauge birdshot shell, the amount of shot typically ranges from 7/8 ounce to 1 ounce, depending on the specific load. This translates to approximately 24 to 28 grams of shot per shell. The shot consists of small lead or steel pellets, commonly used for bird hunting. Always check the specific shell packaging for precise details, as variations exist.