Does POI change when action is removed & replaced in stock?

[cmatera]

I recently tooks a couple actions out of their stock to adjust the Accu Trigger. Before doing so, I had them shooting right where I wanted them. After replacing them in their stocks, they still shoot the same size groups, just in a little different spot. Is this common? If so, lesson learned. Always adjust the trigger first before working up a load and sighting in.

 

[mbowerma]

The short answer is yes. Just tightening a stock screw can change the POI a different weight bullet can and most often does change the POI. It happens to most rifles.

 

[copper]

Even if you measure the torque of the action screws and replace them the same way you may still need to recheck your zero. I would guess that custom stocks and bedded actions would minimize shift.

 

[SaltyDog]

YES Absolutely, Without A doubt removing or otherwise separating the action from the stock WILL change the POI. Maybe not by much but it will change.

 

[dan newberry]

If it's glass bedded properly, it won't move the POI nearly so much...

 

[GySgt]

I concur with salty dog- it may come back around once it sets back in place with firing- bedding reduces the POI shift as it makes a tighter and better fit. But certainly it does shift the POI.

 

[DDJ]

Yup-My rifles are all bedded but removing and reinstalling the stock can fool with the POI. Once I have a rifle sighted in and working fine I will only remove the stock if I absolutely have to and then I'll check it at the range. Dave

 

[Martyn4802]

+1

The guys above nailed it.
Bottom line is, after putting the stock back on, you have to shoot the rifle and change sights to a new POI.

 

[Bigbassbo]

What about removing the bolt?

 

[bushy]

if removing the bolt causes a shift in POI then you are in big trouble.

 

[Bigbassbo]

Thank you

 

[SamSpade]

The best solution is to do a good bedding job and invest in a torque wrench.

 

[tunered]

I somewhat dissagree with the general agreement here, depends on the stock and how its bedded, H&S style stocks with the aluminum blocks will not change point of impact given the barrel is totaly floated, changing torqe on screws will change Size of groups but not point of impact, rifles that have a pressure point in the barrel channel will be affected alot by either removing them or changing screw torqe. Glass bedded rifles, if properly bedded with steel pillars, and no contact in barrel chanel will hold up as well as the H&S stocks. ed