Originally Posted by
ronlaughlin
Recoil is a function of the velocity, and the mass of what goes out the end of the barrel. The reason you have more recoil using Blackhorn, is because it is producing more velocity.
I guess I should break out my chrony. I've measured 108 gr. T7 at around 1850 ft/s, I believe. It's just a pain to lug it all out in the desert and set it up. I'm pretty sure the BH209 web site published that it was comparable to that.