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Author Topic: Tikka build thread  (Read 3194 times)

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Re: Tikka build thread
« Reply #30 on: December 05, 2020, 09:43:39 AM »
I slacked on my shooting all winter in 2019 but finally got back out and after it this spring, but something wasnít right.. none of my dope was correct. I ran it over the chrono and there it was, I had lost 200fps. Same lot of powder, primers, brass, etc. I was beside myself. I had just bought a heap of tags and had deposits down on a bush flight etc, and my rifle is failing.. I started running a new ladder test, trying to recover my velocity and hope it still groups. I got lucky there, it still shoots about as good as me. I settled on a band aid to get me through the season, right or wrong, someone more knowledgeable than me might comment. 79.7gr vs my previous 75.0 and I had my working load for the season.

Thats a big jump even for shot out barrel - powder get humid ?

When my last barrel got to 900 rounds it all of a sudden started dropping velocity fast and took 4 grains to get it back up - both because of having to extend seating to reach new lands and due to bore erosion I assume.    Didn't like having to use an extra 4 or 5 grains of powder and assumed it was time to get a new barrel so did. 

Offline fillthefreezer

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Tikka build thread
« Reply #31 on: December 05, 2020, 01:31:33 PM »
So now in October, I figured Iíd need to shoot a couple to re zero and check my dope at a couple longer ranges, just to have that killer instinct confidence rolling into mule deer season. Boy was I wrong. My zero was way off. Like 8Ē low. Come up .5 mil, now Iím almost 4Ē high. Wait a second, that should have only been 1.8in. With my values meaning almost nothing it took a long time to make the adjustments. I got it close to zeroed at 200 and ran out of light. I called NF later that week scathing. I had a patient CS rep, who took my abuse, I mean letís face it, I spent a lot of money on a scope to not have these kind of issues. To paraphrase the reps response, ďI donít know where the problem is, but itís not the scope. Take everything apart, clean, and retorque to spec. If you still have issues, were happy to take a look at it, but that doesnít help you at all for your huntsĒ
So, thatís what I did. Stripped everything.
 


I wish I had found some culprit, but that wasnít the case. But afterward everything tracked just like new. I shot a couple more deer, got everything butchered, gear cleaned, and some much needed time in with the family. Also ordered my new goodies.

Forgot to mention above, I donated my magazine to kodiak in August. I was never super happy with it, it fed well and I had no real complaints, but it had sharp corners that would sometimes poke, and it was loud if it contacted a branch. I ordered a p mag style one to replace it.
« Last Edit: December 05, 2020, 01:38:14 PM by fillthefreezer »

Offline fillthefreezer

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Tikka build thread
« Reply #32 on: December 05, 2020, 01:42:19 PM »
I ordered a new barrel, brake, and action wrench. When everything arrived, I enlisted the help of a friend that had a barrel vise. Removing the factory barrel proved to be a real chore, but itís done and Iím excited to get back out and break in this barrel, run some ladders, and finalize a new load.








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Re: Tikka build thread
« Reply #33 on: December 05, 2020, 02:22:10 PM »
 Curious- On a typical rifle you send action and barrel to gunsmith and they ream chamber and cut barrel to give proper headspace ( ie using go/no go gauge). 

So on Tikka's you just bolt up a barrel and don't have to worry about headspace because all Tikka actions are the same ??  They don't look like a savage that are adjustable.

Offline fillthefreezer

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Re: Tikka build thread
« Reply #34 on: December 05, 2020, 02:39:06 PM »
Correct, as I hear it thereís some actions that are concentric enough out of the box to not need a barrel nut or machining. Some others are defiance, Stiller, accuracy international, weíll see, could be quite a game changer.

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Re: Tikka build thread
« Reply #35 on: December 05, 2020, 04:45:33 PM »
Looked at the list of proof prefit barrels - a growing list of actions.  Big advantage sticking with one of those for sure - save $350 and couple weeks wait .

Offline Reidus

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Re: Tikka build thread
« Reply #36 on: December 05, 2020, 08:53:52 PM »
Them factory barrels are a real bugger to get off. The blues ones seem worse than the stainless. They come off real easy when you cut a relief groove about 0.050 in front of the action.

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Tikka build thread
« Reply #37 on: December 05, 2020, 09:46:44 PM »
I think reidus gets it



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