Originally Posted by
Tamara
An SD under 10 fps is enough to draw low whistles when it happens. Flipping through my one spiral notebook here with probably a hundred or more 10-shot strings with varying ammo recorded in it, I count four times I've seen Extreme Spreads of under 20fps. The lowest, a 13-ish fps ES with .40 American Eagle, caused me to reshoot the string, and the second string was in the 20-point-something range, which is still well above the norm. Those 1fps claims just don't pass the smell test.