JSB's King Heavy Cal .25 33.95 grain vs. 25.4 grain

Either one will punch through a coyote skull with ease at any reasonable velocity.   The best choice will be the pellet your barrel groups the best at whatever ranges and wind conditions you intend to shoot them.  Coyotes being so wary and skittish, I expect some shots will be 50 yards or greater, in which case I’m inclined to think you’ll want the much superior BC of the 34gr, but only if it is equally accurate or better in calm conditions.  

The heavier 33's have done much better than the 25's for me for head shots on groundhogs. Bill

i dropped a coyote with the 33.95's, at 25 yards, head down and straight on, she just flopped over sideways and dropped without a twitch.

 I didn't dig it out, but it looked like it went in the front, just above the eyes, and went in far enough to hit the spinal cord at the base of the back, but it didn't exit.

Can't speak for the 33.95gr but the 25gr have put down a large fox at 60yds for me.

Emu

Based on my shooting during the last week comparing the king, and the 34 grain heavy At super long distance, my conclusion is the 34 grain is much more consistent in every day conditions.

additionally, as everyone else pointed out, going from 25 to 34 grains is a HUGE Jump in mass. I would guess approximately 40%.

as you are aware, there are so many advantages to that additional mass. I have always been a huge fan of the king, and for target shooting inside 75 yards, it is the king.

These two groups, we’re shot on the same day similar conditions, 190 yards. 

While no one is going to try to shoot a coyote at that distance, it does give us a very good indication Of how each projectile reacts in the real world.  

Everything that I learned reinforces your decision above.

• This reply was modified 1 week ago by Flintsack.

Personally I would try to get the 33’s up to speed and grouping tight. I started hunting coyotes in the late 80’s when I lived in Oklahoma. I have pursued them in 4 different states over the years and with a lot of coyote hunters. I never hunted with a guy who used a .22lr or even a .22 magnum. Both of those firearms dust our lowly airguns power wise. Can and do under 100 fpe airguns take coyotes clean? Yes, but you are tip toeing on the edge of even the slightest error resulting in a wounded animal. When you get to that size animal you want to smash them with something heavy and remember what we consider heavy with airguns is a joke with a real gun.