Cutting a tikka barrel

[HighUintas]

If it doesnt work out, you're not really out anything.

17hmr,223, and a swede

View attachment 738840

Is the Swede on the right? What kind of accuracy does that one have?

 

[Sled]

Anyone cut a tikka barrel that was shooting well and then it shot poorly after the barrel was cut?

My tikka roughtech 6.5 with a 24” barrel shoots really well but would like to make it more nimble and lighter weight by cutting it down to 18” (I shoot suppressed)


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I had the same question about a thicker profile barrel several years back. It did change the group size. I can't say if it's harmonics or a bad crown job but I had impressive groups at distance before. It's not horrible now but more of an moa gun. This was not a Tikka.

I have not shot my tikkas before cut and thread so I can't comment but they all shoot well. I can't complain.

 

[Steve300xcw]

Is the Swede on the right? What kind of accuracy does that one have?

223. Was cut all janky just to see wtf lol. It was shooting around 1-1/4" with some random loads. Never really went any farther than that with it, before it got put on the back burner. Got other toys to play with lol.

 

[TaperPin]

Anyone cut a tikka barrel that was shooting well and then it shot poorly after the barrel was cut?

My tikka roughtech 6.5 with a 24” barrel shoots really well but would like to make it more nimble and lighter weight by cutting it down to 18” (I shoot suppressed)


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The only negative thing that I’ve heard from a reputable source isn’t really length related, but cutting threads with dull cutters creating a few ten thou of bore constriction. At first I thought that sounds like bs, but a gunsmith that slugs barrel bores when diagnosing accuracy issues says he’s seen it a number of times.

For some reason it’s always been in the back of my mind since hearing about it - and eventually I’ll get set up for slugging barrels because of it, just out of curiosity. Finding out how dull a cutter is too dull should be easy to figure out and replicate the issue on a scrap barrel.

 

[D R T]

Used the same method for my 308. Accuracy was the same after as it was before. Excellent.

What length did you cut your 308?

 

[BLJ]

What length did you cut your 308?

18”. 2510 with factory Norma Swift A Frames and 2530 with factory Norma Bondstrikes.
Using a Garmin chrono.