Tikka .308/30 CAL Match Grade Barrel


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Here at Mountain Tactical Company, we take accuracy seriously.  Most of our staff shoot competitions and, like our customers, only find accurate rifles interesting.  Deciding on a barrel manufacturer to trust our reputation on was no small task.

We are in an amazing age of manufacturing.  It is difficult to make a bad barrel!  There are many top-notch barrel manufacturers in the US.  Being a Montana based company, our decision was biased towards a Montana barrel company.  With several to choose from, we tested each barrel maker for turn time, consistency, and customer service.  McGowen Precision Barrels rose to the top of the list and we are proud of the partnership our two companies have forged.

Tikka barrel profiles require a specific shank diameter for proper mating to the receiver ring.  Every Mountain Tactical Company barrel is custom contoured to match the unique geometry of the Tikka rifle.

Contouring is done on state-of-the-art CNC equipment.  Unlike most other companies that offer barrels only at certain lengths, our barrels are contoured to your requested finished length.  Therefore, if you order a Tikka CTR contour, the muzzle diameter will be .783” whether your finished length is 20” or 26”.  

Our barrels are polished unless otherwise specified.  This is not a lathe turned finish, but an actual polished finish.

All barrels are precision button rifled, stress relieved, and hand lapped to ensure consistency and ease of cleaning.  Prior to shipping, every barrel is air gauged to confirm measurement and consistency.

There are a lot of debates out there about how many lands/grooves make the most accurate barrel. We can say that without a doubt that we have yet to manufacture a barrel that isn’t inherently accurate.

Fluting refers to the removal of material from a cylindrical surface, usually creating grooves.

The main purpose of fluting is to remove weight, and to a lesser extent increase rigidity for a given total weight or increase surface area to make the barrels less susceptible to overheating for a given total weight. However, for a given diameter, a non-fluted barrel will be stiffer and able to absorb a larger amount of heat at the price of additional total weight. There is a lot of information, or misinformation on the web concerning fluting. One piece of misinformation is that a fluted barrel is stiffer than a non-fluted barrel. This is in error. A fluted barrel of, let’s say, a CTR Contour will be stiffer than a barrel of the same weight, such as a Lite Contour. But a CTR Contour that is not fluted will be stiffer than a CTR Contour that has been fluted. It is a mass effect, the more mass around the bore of the barrel, the stiffer it will be.

Break in Procedure

To obtain the best accuracy from your new McGowen Precision Barrel we recommend that it is properly broken in. The procedures outlined below are our recommendations and not “set-in-stone” procedures, we have found that there are a wide variety of break in procedures available out there and one may fit you better than others. To get the most out of your barrel and ensure that it won’t foul in the future please use these or your ideal break in procedures.

There are two types of fouling that will affect your accuracy, copper fouling which is caused by the jacket from your bullets being stripped off in the barrel and powder fouling. Typically, the first few rounds shot through your rifle will cause copper fouling. It is very important to prevent the fouling from building up in your barrel to remove this fouling after each shot. Powder fouling is normal with any rifle or pistol and is easy to remove.


  • We have found with experience that for you to get the best results out of your barrel you should clean after each shot for the first 10 rounds or until the copper fouling stops. With all our barrels being honed and hand-lapped we have found that fouling is minimal.
  • Always use a bore guide and a good, coated rod when cleaning.
  • Use good quality phosphor bronze brushes.
  • Use good quality cotton flannel patches.
  • Use a quality bore cleaner like Butches Bore Shine or Sweets to remove any copper. Copper residue will show up as blue with these cleaners.
  • Soak your cotton patch in your bore cleaner and swab through the barrel. Once the barrel has been completely coated let sit for 30 seconds and use your phosphor bronze brush dipped in the same solution and scrub your bore (about 10 to 20 strokes)
  • Afterwards, run a clean patch through your bore until it shows no signs of copper. You may have to repeat steps 5 through 7 until it is clean.
  • Use a good bore cleaner (not a copper remover) to clean the bore completely of the copper remover afterwards.
  • After you have cleaned after each shot you will be able to tell when your bore is no longer
    copper fouling. Once you have seen this you can move on to cleaning after every 3 to 5 shot group. This should be done for the next 40 rounds.
  • After which it is probably wise for you to check your barrel after each day of shooting or at least every 25 rounds.




-          Certified 416R Rifle Barrel Steel

-          Certified 4140 Rifle Barrel Steel


-          Lite .624” Muzzle

-          CTR/Continental .783” Muzzle

-          Varmint/Tactical .890” Muzzle


-          .0003” max   

Q & A (5)

I would like to re-barrel a T3X Tac A1 to 308. Which barrel would you suggest? ( Luke, 30/01/2018 )

Hello Luke,

If you want to end up with the same contour barrel as you have on your Tac- A1 now, you would order the CTR barrel contour on our site, as the contours are the same for both rifles. If yo want a heavier barrel, you could move to the Varmint contour. See the site for the diameter of the barrel ends on the different tapers. All Tikka barrels start at the same 1.12" diameter at the receiver.


Thanks for the inquiry!

The MT Team

are the barrels threaded for the action or does a gunsmith have to do that also? How much would a 26" ctr contour weigh after being fluted (8 flutes)? ( gregg cardwell, 15/12/2017 )

Hi Greg,

Our match grade barrels will have to be threaded, chambered and installed by your local gunsmith.  You may check with McGowen barrel for the exact weight of the barrel.

Thanks for your inquiry!

MT Team

I have a Tikka T3 Lite in .308. I would like to change the barrel into a fluted and threaded bull barrel. Which one do you advise/recommend? Thanks. ( Des Sibug, 15/10/2017 )

Hello Des,

We like to stick with Tikka factory coutours, as they have been proven by Tikka. We really like the Tikka Varmint contour. Of course, we sell McGowan barrels, and have found them to be excellent shooters. the Varmint contour starts at 1.12" (as all Tikka barrels do), and finishes at .89".  Your gunsmith would have to thread, chamber, and thread for the suppressor or brake. You can order the barrel specifics on the site, including fluting.

Thanks for the inquiry!

Mountain Tactical

Will your barrels work in the new T3x Tac a1 ( steve davis, 13/09/2017 )

Hi Steve,

Yes, but you would need to have your local gunsmith chamber and install them.

Thanks for the inquiry!

MT Team

Interested in rebarreling my Tikka T3 in .308.
Do you require the action sent to you?
How's barrel do you use?
Can I have the barrel threaded?
Anyway I can get a finish to match the original finish?
( Luis Eljaiek, 15/08/2017 )

Hello Luis,

I am sorry, but we do not offer re-barreling services anymore. We can sell you the barrel, but you will have to have it mounted, re-chambered and finished somewhere else. Most quality gunsmiths can perform this operation. Our barrels are from McGowan Barrels.

Thanks for the inquiry!

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