Want to see the effects of birdshot from a 28 gauge shotgun at 30 yards? Try here:
http://mas.scripps.com/CCCT/2006/02/14/p-1cheneyc0214_e.jpg
There's still some variables. There are different sizes of birdshot and different amounts of choke on the gun. Choke affects how much the pellets spread. More choke = less scatter.
http://mas.scripps.com/CCCT/2006/02/14/p-1cheneyc0214_e.jpg
There's still some variables. There are different sizes of birdshot and different amounts of choke on the gun. Choke affects how much the pellets spread. More choke = less scatter.