Rifle Scopes Trijicon Tenmile HX 5-25x issues

[sharkbait989]

Gear:
Tikka CTR 6.5 creedmoor
Trijicon 5-25 Tenmile HX riflescops
Trijicon accupoint aluminum rings

issue: unable to maintain zero

I just purchased a Tikka CTR 6.5 Creedmoor and then above components. I mounted the scope with the following protocol:

Added thread bases to picatinny rail and slowly torqued while pushing forward against rail. Used wheeler torque wrench to finish torque to 50 in lb per manufacturer rec. The threads had blue loc tight and allowed to cure for 24h.

Next checked alignment and scope bases perfectly aligned w conical alignment kit. Next added scope rings and lapped lightly. Then washed off lapping compound. Next dusted scope ring w/ rosin, added scope. Used wheeler alignment and level kit to level the reticle. Then continued to torque scope ring bolts in alternating pattern by increasing about 5-10 in lb per turn, reaching final torque of 18-20 in lb per manufacturer rec. Allowed blue loc tight to set for 24h. Used copper sharpie to index mark the bolts and scope base location. Levels were leveled upon final check.

Took to range and laser bore sighted to 100 yards with double sandbag. Id get 3-5 bullets in a tight cluster of 1” then the next shot off the paper either vertically or horizontally or both. I reattached bore sighter and confirmed about ?10-15” MOA off. I continued doing this over and over. Would rezero for few shots, then jump way way off. I have shot rifles for 20 yrs, used same holding technique. Ensured no pressure on barrel. Ensured sandbags contacting same spots on rifle. Ensured no parallax. Ensured same ammo 140g seller belliot

I took suggestions from here about someone else w similar problem and started over. Removed scope rings and repeated process above over 2 days. Took back to range. Same issue. No obvious movement on index marks.

Spent about $200 in ammo and $140 for boresighter. Scope was very expensive.

now what?

 

[jbuck88]

Are the sandbags touching the barrel? Is the barrel free floated in the stock?

 

[Birddog6424]

Did you swap scopes to see how the replacement shot?

Verify that is in fact the scope. If it is, contact Trijicon.

 

[sharkbait989]

Are the sandbags touching the barrel? Is the barrel free floated in the stock?

They are definitely not. Was OCD about checking before pulling trigger

 

[sharkbait989]

Did you swap scopes to see how the replacement shot?

Verify that is in fact the scope. If it is, contact Trijicon.

have not swapped scopes. All my other scopes are mounted and zero’d and didn’t want to add to frustration by taking off a well tuned rifle. Maybe i should buy another scope to test and use it for something else in future

 

[PinesAndProjectiles]

I'd try a different scope first.

Just swap the rings and scope completely and it'll make setup faster and easier.

But if you want to buy another scope, we'll know you're #notapoor.

 

[Birddog6424]

have not swapped scopes. All my other scopes are mounted and zero’d and didn’t want to add to frustration by taking off a well tuned rifle. Maybe i should buy another scope to test and use it for something else in future

That's step one in troubleshooting your issue. Its a simple matter to swap a scope. It takes 10 minutes.

Its quite simply the fastest and simplest method of determining if the scope is the issue.