Sight in Question?

[jjdavis2222]

  Question for someone that might know more than I do. LOL

If my 270 WSM is sighted in with 140 grain and I switch to 150 grain will the gun shoot that much different? Or will it be close enough not to matter. I don't ever see myself taking any shots farther than 300 yards.

Thanks for you help!

[BULLBLASTER]

Just need to shoot and see. It may shoot close enough but also may be substantially off. 

[carpsniperg2]

As long as you point of impact is the same with both bullets. You will not see hardly any difference out to 300.

[CaNINE]

It will shoot different for sure - by how much can only be known if you test it.  You could easily be off target at 300 yards or worse make a wounding shot by not knowing your zero.  If you want to switch bullets you should spend some time over a bench before you hunt - IMO.

[bobcat]

Don't switch your hunting load without shooting it first. There's no way to know how much different they will shoot.

[jjdavis2222]

Thanks guys. I will head back to the range. 

[Bill W]

It has nothing to do with trajectory or bullet weight but the fact that the different weight bullet will have different barrel harmonics.  Harmonic vibration is what affects where the barrel is pointing at the moment the bullet exits the barrel.  That's when trajectory and bullet weight come into play.