7mag grouping problems! Help

[az2tx]

First, wind shouldn't move a 7 mag like that at 200.

I would check your action screws. That's a really cheap stock. Could be moving in it.

Properly torque everything. Not hand tight. Consistency is key here. Buy an inch pounds torque wrench. Use it every single time you turn a screw. Write down what you have them at.

Check the crown.

Make sure you are over tight on anything. Action screws included.

Get rid of that dang vortex

This
Notice he mentioned action screws a cpl of times, there is a reason

[TGoody]

7mag grouping problems! Help

Yea I completely forgot about that. Sorry fellas

So say the crown is good. Can cutting the barrell just 2" be enough to have to find a new round the barrel likes!?!?

[TGoody]

This

Notice he mentioned action screws a cpl of times, there is a reason

I checked everything, they are good

[SOLID EAGLE]

Did you pull the scope off and check the base?

[Cattrax]

Scope and/or base problems.

[az2tx]

I checked everything, they are good

Use a torque wrench? if so how many inch pounds

[TGoody]

Nah I haven't gone that far. Wanted to rule out different ammo this morning. Headed to the range now

[TGoody]

Use a torque wrench? if so how many inch pounds

Yes, with a torque wrench. The viper rings and mounts were torqued as per instructions as well as the action screws on the Choate stock (can't remember them off the top of my head)

[catslayer]

If you think it is the Vortex, call them they will make it right... Yall are hating on the best scope for your $ on the market right now period. And their customer service is second to none.

Belted mags can be finicky... And cutting the barrel 2 inches can change load work up...

I agree take it ALL the way down... torque everything in right then shoot again... what twist is that barrel???

[az2tx]

Thus sounds like a Rem 700 I bought off here, 308 in A Bell and Carlson Medalist stock.
I shot it after I mounted the glass and it was ok, but I checked the bedding screws and they were at like 20 inch pounds so I tighten to 65.

The groups opened up big time and I found the action was being pressured. The alum bedding block was not very well machined. I looked for wear marks and on the block, bedded the action and problem solved.
Groups went from 4-5 inches at 200 yards to under an inch

something to check

[Roger_Roger]

I see where you had the barrel cut. I just wonder why if you were going for a long range setup the way you had it shooting? O'Well. If you had it cut on a lathe I would think they removed ever thing on the barrel so you basically started over with a new setup. If you got it all back together tight and true here is a quick test of the crown to check for burs which will give you problems.

http://bulletin.accurateshooter.com/2015/05/check-your-crowns-condition-with-a-q-tip/

[Etxbuckman]

I'm going to second the crown issue. My 08 was all over the place- no rhyme or reason for anything. It really messed with my confidence for a while. Anyway, I shipped that sucker back to Remington and they sharpened the rifling and re-chamfered the crown. I also readjusted my scope and tightened the screws better in the process. That puppy pretty much drives tacks now.

[TGoody]

I see where you had the barrel cut. I just wonder why if you were going for a long range setup the way you had it shooting? O'Well. If you had it cut on a lathe I would think they removed ever thing on the barrel so you basically started over with a new setup. If you got it all back together tight and true here is a quick test of the crown to check for burs which will give you problems.

http://bulletin.accurateshooter.com/...-with-a-q-tip/

My plan was to shoot this gun suppressed, so after talking to my gunsmith we decided to take 2" off and thread it for my Saker 762

I talked to him this morning and explained everything. Out of curiosity, we shot it 3 times without the can and without much wait time between all three shots....



He thinks my thin, sporter barrel is not handling the excessive whip of the barrel with the can on it....

After thinking about it, this made sense because my very first round was always dead on with a solid cold barrel with the can on

[yanta61]

Yea I completely forgot about that. Sorry fellas

So say the crown is good. Can cutting the barrell just 2" be enough to have to find a new round the barrel likes!?!?

yes, yes , yes....Need to pretty much start over now with load testing.

Just curious why did you cut the 2" off

[yanta61]

The threads could be slightly off concentric. This will cause it to shoot poorly with the can on.