Suppressors POI change?

[Jackalope33B]

I've read on here time and time again about point of impact change when you have a suppressor on versus when you don't. The articles I've read this on is from .223 caliber and up.
Do you still have a point of impact change when you're shooting a 22LR with a suppressor? Or is the pressure not that great to where it will not affect the bullet?

 

[RobertB]

I think its mostly the weight on the end of the bbl. Usually you will have some change where the bullets usually impacts low. Some are not much though.

 

[alman1531]

The weight on the barrel will change the barrel harmonics. You must have a solid attachment from the suppressor to the barrel to have a consistent and predictable shift.

 

[MosesTheTank]

My experience is that there will be some POI shift even with short bull barrels. As said above, what's important is consistent shift. When this is the case you can always dial in your shift.

 

[trophyhunter]

I've noticed this with everything from 22lr to 308. It's the barrel harmonics on the longer barrels and greater pressure. I've noticed this with my Ruger MKIII & Element also. 1911 with tirant-45, so just about everything has some kind of shift regardless of caliber I think. On my tirant-45 I can pull the can & index it differently so I'm guessing pressure has something to do with this. I have not had a baffle strike (knock on wood) so it can't be from deflecting off baffles but POI changes with cans off & on.


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[alman1531]

I've noticed this with everything from 22lr to 308. It's the barrel harmonics on the longer barrels and greater pressure. I've noticed this with my Ruger MKIII & Element also. 1911 with tirant-45, so just about everything has some kind of shift regardless of caliber I think. On my tirant-45 I can pull the can & index it differently so I'm guessing pressure has something to do with this. I have not had a baffle strike (knock on wood) so it can't be from deflecting off baffles but POI changes with cans off & on.


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I just got my Tirant-45 as well, have not have had a chance to take it out yet.