Q_Sertorius
WKR
- Joined
- Jun 1, 2024
- Messages
- 4,230
I have been having some inaccuracy issues with my Tikka T3X in .243, 20” 1:8” twist OEM barrel, factory threaded 5/8x24. I currently have 150 rounds through it.
My best groups have all been around 1.6”, whether with Hornady American Whitetail 100-grain or hand loaded 107-grain TMKs.
This morning, I tightened the action from 45 to 60. It made no apparent difference.
One of the Hornady 100-grain groups from today:
The second group was the same size. The factory ammo seems pretty consistent.
Older groups with the same ammo shot essentially the same size groups.
Two groups with the 107-grain TMKs.
If [mention]B_Reynolds_AK [/mention] or anyone else has suggestions, I am all ears. Worth taking it apart and putting it back together again? Try a different scope? Accept it as rifle with a 1.6” group? I know it doesn’t need to be more accurate for how and where I hunt, but it annoys me that I can’t get better with it.
Edit - I don’t recall adjusting the windage, but it is interesting that in this group from last Tuesday, it was hitting slightly to the right. I need to check whether I adjusted it.
If I didn’t adjust it after this group (and I remember specifically thinking I would not touch the elevation because I am just going to use that ammo up), then if it is wandering left, that could be a scope or mount issue?
Edit #2 - nope, checked the DOPE and the scope. I definitely made the correction for the windage.
Edit #3 - the barrel seems to have sped up by about 50 FPS since the first session (as expected ).
My best groups have all been around 1.6”, whether with Hornady American Whitetail 100-grain or hand loaded 107-grain TMKs.
This morning, I tightened the action from 45 to 60. It made no apparent difference.
One of the Hornady 100-grain groups from today:
The second group was the same size. The factory ammo seems pretty consistent.
Older groups with the same ammo shot essentially the same size groups.
Two groups with the 107-grain TMKs.
If [mention]B_Reynolds_AK [/mention] or anyone else has suggestions, I am all ears. Worth taking it apart and putting it back together again? Try a different scope? Accept it as rifle with a 1.6” group? I know it doesn’t need to be more accurate for how and where I hunt, but it annoys me that I can’t get better with it.
Edit - I don’t recall adjusting the windage, but it is interesting that in this group from last Tuesday, it was hitting slightly to the right. I need to check whether I adjusted it.
If I didn’t adjust it after this group (and I remember specifically thinking I would not touch the elevation because I am just going to use that ammo up), then if it is wandering left, that could be a scope or mount issue?
Edit #2 - nope, checked the DOPE and the scope. I definitely made the correction for the windage.
Edit #3 - the barrel seems to have sped up by about 50 FPS since the first session (as expected ).
