Run out of elevation adjust.

[private fraser]

I was zeroing my new (to me) Tikka T3 in .223 fitted with Bushnell 6-18 x 50 scope on optilock mounts and have run out of elevation adjustment.

The rifle is still shooting about 4" high at 50 yards and the elevation turret is at the end of adjustment.
The question is... what's the best way to correct this?.

I'm reluctant to shim the scope as this may damage it.

Anyone got experience of this?.

Thanks,

​fraser

 

[corky]

shim the mount, sliver of coke can to start with under rear mount i think then add more if required

 

[Hornet 6]

If your out of adjustment something is wrong, best to sort the problem out than to shim a scope mount.

Neil.

 

[Archer]

If your out of adjustment something is wrong, best to sort the problem out than to shim a scope mount.

Neil.

+1

Have you tried different brands of ammunition?

 

[jay 22]

Is the scope 1 inch tube ? If so bin the optilocs. Fit weaver bases and get some burris rings with inserts
you can then gain your elevation back this way.

Something isn't right though with your current set up. Is the scope adjustment working properly

 

[ziggy]

ill admit it, I thought I had similar problem once..........turns out I was clever enough to have been turning the turrets the wrong way.

 

[teyhan1]

Chances are the shop that sold you the gun and mounts have buggered it up and given you the wrong mounts. Happened to me. Have a look at your scope and see it it looks like it on the pi$$

 

[jcampbellsmith]

Try swapping the front bottom half of the ring to the rear. I take it one base has a recoil lug? Regards JCS

 

[private fraser]

Thanks for replies gents.

The rifle shoots same-ish amount high with 3 different brands of ammo.
The good news is it groups well with all brands too, but I'm only shooting at 50 yards.

Teyhan1...yes, the shop did sell me the mounts and fitted them too so I'll check on that asap.

It all Looks ok, but it doesn't shoot ok.

​Work in progress, I'll let you know how it turns out.

Thanks,

fraser

 

[8x57]

If your out of adjustment something is wrong, best to sort the problem out than to shim a scope mount.

Neil.

+1 0n that. Obviously something isn't mounted right or you have to wrong mounts. Optilock take some beating and centre things up quite nicely. Do not go messing about shimming the scope, that would be plain silly. Check that you have the correct mounts first of all and that they are fitted properly (read the instructions). If that doesn't solve it try a different scope in the mounts.
Personally I can't see it being a problem with either the rifle or the Optilock system other than if they aren't fitted correctly or as previously mentioned they are the wrong mounts.

 

[Yorric]

If the Optilocks are for the Tikka & you have the recoil lug in the front mount they will most probably be right. Make sure they aren't Burris Signature rings with eccentric plastic inserts. If these aren't adjusted right you could get the misalignment you speak of.
Do you get a change of impact when twiddling the top turret - or is it just high but adjustable? If you have a grid type bore sighter you can see it move without firing & that will allow you to see your adjustment range quite well.
Is the scope a known quantity. Yours could be duff. Maybe try another one.

Ian

 

[ksb]

had a similar problem on a sauer using leupold qr mounts and bases. i was shooting at wms in wales and found i quickly ran out of elevation adjustment. Claret dabbler and myself studied the problem one sunday and brian suggested adding 2 strips of old 35mm camera film to shim the rear base. This was over two years ago and i have not had any problems with zeroing , accuracy and the difference gave me another 32 clicks of elevation adjustment which allowed me to dial in some longer range targets on my next visit to wms.

keith

 

[private fraser]

If the Optilocks are for the Tikka & you have the recoil lug in the front mount they will most probably be right. Make sure they aren't Burris Signature rings with eccentric plastic inserts. If these aren't adjusted right you could get the misalignment you speak of.
Do you get a change of impact when twiddling the top turret - or is it just high but adjustable? If you have a grid type bore sighter you can see it move without firing & that will allow you to see your adjustment range quite well.
Is the scope a known quantity. Yours could be duff. Maybe try another one.
Ian

Scope is good, it worked well on last rifle so I don't think it's that.
The point of impact changed as per top turret adjustments, just ran out of clicks.
A friend has a collimator so planning to take it round there soon as.
​
Thanks for help.

 

[1995rs]

Click the scope all the way to the bottom and count how many clicks it is, then wind back up until you have wound half of the distance in clicks. Zero from there and I bet you will be able to get the rifle fully zeroed. 1995rs