Best 30 cal pellet for coyote Jsb or predator polymag?

The Polymags are fine, but past 65 yards or so can be unstable and inaccurate. I think for head shots the JSB Exact would work best due to better penetration. If I was shooting a heart/lung shot under 65 to 70 yards I think the Polymag would so the most damage due to increased expansion of the pellet... You might want to look at the H&N pellets since they seem to use a harder lead which would improve head shot penetration.

My guess is that you killed that coyote......you just haven't found his carcass yet. I've seen numerous youtube videos of coyotes being shot with magnum powder burners that run nearly out of sight before they drop. Any experienced coyote hunter will tell you that this is not unusual. I would stick with what you're shooting if they are accurate. Further, coyotes move their heads a lot. Their head is a relatively small target to begin with, and it moves quickly and wildly. Why risk only wounding him? Take a heart/lung shot any day over a head shot.

I bait and shoot coyotes at 50 yards with a .25 cal. AirForce Condor. I always aim for the heart/lungs. I never count on a coyotes head being in the same spot at the time that I pull the trigger than when the pellet finally gets there. Compared to his head, his chest doesn't move much and is a much bigger target and is full of vitals. No, they don't drop like stones. But neither do they drop like stones when you hit them in the head.

Just my 2 cents

Ya, I've heard all the "head shot" stuff too. Head shots are more of a challenge for sure. But when it comes to coyotes, I don't need a challenge. All I need is a dead coyote. Heart/lung shots get them every time.

I haven’t hunted anything as big as a coyote with a pellet gun. When I was in the service on leave with a buddy who lived outside of Columbia SC when went wild hog hunting using his family centerfire rifles the day before the hunt we made some mercury bullets we drilled I’d the bullet from the rear and put a drop of mercury in the cavity then sealed the hole with a small lead plug. Then reloaded the cartridge. The mercury had room to slosh around in the projectile. When the bullet finally hit home the mercury would move rapidly forward causing the bulled to literally explode in the target, every hog went down immediately. We also shot some melons and the blew into thousands of pieces. Probably not legal but it was fun. It might work in a big bore but not in a pellet.

jsb 44 ad 51 grain ,,fx,,,, vortex.30.... dastate 303 emperor,,,,,h and n 30 cal released in uk i havent seen in states yet rat sniper and mr hollowpoint have nice cast bullets

"TheBarber" I was thinking of trying cast bullets. Do you think they would be more effective than a JSB 44.75?

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Bullets, whether cast or swaged, are more efficient (higher ballistic coefficient) and they will enable you greater accuracy at transonic and supersonic speeds. They are more stable at those speeds than are pellets. Pellets go out of control in transonic and supersonic flight. If you want to use bullets, then use the FPE rating of your gun to choose a bullet weight and speed suitable for your FPE.

Example: If your gun is rated for 60 FPE, your 44.75 grain pellets are flying 777 fps. That's well below the speed that pellets get unstable. With the same gun, you can choose a bullet (cast or swaged) of 25 gr and they'll fly 1040fps (transonic) and a much flatter trajectory and far better ballistic coefficient (maintain their energy at a greater distance) and penetrate deeper. Were you to shoot a 25 gr pellet at 1040fps, it would go out of control most likely and you'd miss your coyote. With a 25 grain bullet, whether cast of swaged, you'd have stability (accuracy) with the same FPE at a greater range and flatter trajectory.

If by "effective" you mean knockdown power (FPE), bullets maintain that knockdown power at a greater distance and at much higher speed. The effectiveness is the same, as per my example (60FPE). But the speed is much higher.

So, to answer your question: Generally, a 60FPE gun is a 60FPE gun whatever it shoots. You can deliver 60FPE with 44.75 gr JSBs at 777 fps; OR, you can deliver 60FPE with 25 gr bullets at 1040fps. If you're shooting raccoons at 50 yards, I'd choose the 44.75 gr JSBs because a 25 gr bullet at 1040fps would blow right through him and keep on going and waste all it's energy beyond the raccoon. If I were shooting coyotes at 75 yards or more, I'd choose the 25 grain bullets at 1040fps. It's up to you to decide what's more effective for your range and your target.

Does this make sense to you?

You might look into Neilson Specialty Ammo as they make high quality swaged ammo for .300 air rifles in 45, 50, 55, 60, 65, 66, and 47 grain. They also sell a sample pack with 25 of up to 4 weights so you can find out which one shoots the best for your air rifle.

https://nielsenspecialtyammo.com/collections/30-cal