All of the paper targets pictured are 15"W x 11" high so you can get an idea of the spreads.
17x11", not 15x11". I recognize the old pin-feed green-bar line-printer paper. It's 17" wide because that's the same as two 8.5x11" sheets of paper side by side.
Good on you for shooting holes in it. There must be tons of that stuff just being burned because nobody can figure out what to use it for; you're using it for targets, which is cool.
You could probably get some decent terminal-ballistics comparisons if you soaked boxes of it and then shot them. You'd make a (biodegradable) mess, though.
