mildot Posted December 18, 2013 Report Share Posted December 18, 2013 Hi Guys I have a Tikka T3 with a Border varmint barrel 1/8" Twist chambered in .223. However I want to change it to a .22-250. Is it possible to machine the bolt to accept a .22-250 head and rechamber the barrel? The barrel has too much life left to bin it, so the alternative is rechamber and machine the bolt. So gun twiddlers is it possible and rough costs? Before someone asks why, well because I can and i want to. I'm bored with .223 so don't want to hang about trying to shoot out the barrel. Cheers Link to comment Share on other sites More sharing options...
DL. Posted December 18, 2013 Report Share Posted December 18, 2013 Hi Guys I have a Tikka T3 with a Border varmint barrel 1/8" Twist chambered in .223. However I want to change it to a .22-250. Is it possible to machine the bolt to accept a .22-250 head and rechamber the barrel? The barrel has too much life left to bin it, so the alternative is rechamber and machine the bolt. So gun twiddlers is it possible and rough costs? Before someone asks why, well because I can and i want to. I'm bored with .223 so don't want to hang about trying to shoot out the barrel. Cheers Why not buy a T3 bolt with a .473" face, could be cheaper and easier doing this and having it headspaced than having your existing bolt face opened up. Will this project not also count on the profile of your barrel too? If there's not enough depth of material around the chamber area, gunsmiths could get a bit twitchy about taking the job on. Link to comment Share on other sites More sharing options...
mildot Posted December 18, 2013 Author Report Share Posted December 18, 2013 Ive always been lead to believe that bolts are silly money! but I don't know. As for the barrel, it should be fine as the barrel is based on a remington varmint barrel profile, which I assume is the same profile as cals upto say .308... Link to comment Share on other sites More sharing options...
dannywayoflife Posted December 18, 2013 Report Share Posted December 18, 2013 His barrel is a remmy varmint profile so there's plenty of meat there Link to comment Share on other sites More sharing options...
dannywayoflife Posted December 18, 2013 Report Share Posted December 18, 2013 Doh you beat me to it! Link to comment Share on other sites More sharing options...
mildot Posted December 18, 2013 Author Report Share Posted December 18, 2013 haha.... Link to comment Share on other sites More sharing options...
DL. Posted December 18, 2013 Report Share Posted December 18, 2013 Ive always been lead to believe that bolts are silly money! but I don't know. As for the barrel, it should be fine as the barrel is based on a remington varmint barrel profile, which I assume is the same profile as cals upto say .308... Turns out you're right, Brownells list the bolt body for a T3 at $384. http://www.brownells.com/rifle-parts/bolt-parts/bolts/bolt-body-t3-rh-d13-5-prod31623.aspx Good news on the profile. Dasherman made a couple of suggestions the last time this was brought up, I don't know if you use him. Link to comment Share on other sites More sharing options...
mildot Posted December 18, 2013 Author Report Share Posted December 18, 2013 I have used Neil before and still using my sako .243AI he did. Its a dead accurate rifle. Im sure the Tikka bolt is easy to machine to the correct diameter as with all tikkas I believe the bolts are all the same, they are just machined to suit different bolt faces. But I could be wrong! Link to comment Share on other sites More sharing options...
Davy Posted December 18, 2013 Report Share Posted December 18, 2013 The bolt face probably could be opened to accept the 22-250 case head however there is still the problem of the extractor claw and ejector to consider. Link to comment Share on other sites More sharing options...
baldie Posted December 18, 2013 Report Share Posted December 18, 2013 Someone rang me the other day asking the same thing. If you open up the bolt face to accept the bigger case, it will leave the extractor sat too far into the bolt face and the round will not chamber. You would have to weld up the extractor slot and re-cut it. A ridiculous amount of work to change the calibre. Sell the gun and buy the appropriate one...it would be cheaper. Link to comment Share on other sites More sharing options...
happyhunter Posted December 18, 2013 Report Share Posted December 18, 2013 A fast twist .22/250 what could that do your .243ai carn't? Link to comment Share on other sites More sharing options...
dannywayoflife Posted December 18, 2013 Report Share Posted December 18, 2013 Well he has to pry the 243ai out of his wife's hands now he's "given" it to her Link to comment Share on other sites More sharing options...
Akeld Posted December 18, 2013 Report Share Posted December 18, 2013 A fast twist .22/250 what could that do your .243ai carn't? 75gn Amax Link to comment Share on other sites More sharing options...
gaz6br Posted December 18, 2013 Report Share Posted December 18, 2013 Why not a 223 ackley mate less powder better barrel life and fantastic speed and results. My T3 after a make over Link to comment Share on other sites More sharing options...
gaz6br Posted December 18, 2013 Report Share Posted December 18, 2013 Why not a 223 ackley mate less powder better barrel life and fantastic speed and results. My T3 after a make over Link to comment Share on other sites More sharing options...
dannywayoflife Posted December 18, 2013 Report Share Posted December 18, 2013 Lovely 223ai mate! What loads you running? Link to comment Share on other sites More sharing options...
gaz6br Posted December 18, 2013 Report Share Posted December 18, 2013 Cheers mate, I don't want to pinch this chaps post, I've put a post in hand loading section title 223 ackley 53gr if you care to look bud Link to comment Share on other sites More sharing options...
gaz6br Posted December 18, 2013 Report Share Posted December 18, 2013 Cheers mate, I don't want to pinch this chaps post, I've put a post in hand loading section title 223 ackley 53gr if you care to look bud Sorry mate it's in varmint rifles and heavy plinkers Link to comment Share on other sites More sharing options...
dannywayoflife Posted December 18, 2013 Report Share Posted December 18, 2013 Sweet thanks mate Link to comment Share on other sites More sharing options...
mildot Posted December 18, 2013 Author Report Share Posted December 18, 2013 I was fearing it would be a lot of work! Looks like I may sell and get a .22-250! or AI the .223? hmmmmm decisions. As for the .243ai and a .22-250 the .22-250 uses loads less powder, bullets are cheaper which means I can shoot more with it! Plus Like Danny says The wife doesn't like me using the .243 anymore! Link to comment Share on other sites More sharing options...
gaz6br Posted December 19, 2013 Report Share Posted December 19, 2013 I was fearing it would be a lot of work! Looks like I may sell and get a .22-250! or AI the .223? hmmmmm decisions As for the .243ai and a .22-250 the .22-250 uses loads less powder, bullets are cheaper which means I can shoot more with it! Plus Like Danny says The wife doesn't like me using the .243 anymore! Just think the 223 ackley will use even less happy days no brained for me mate against a 22-250 Link to comment Share on other sites More sharing options...
gbal Posted December 19, 2013 Report Share Posted December 19, 2013 I was fearing it would be a lot of work! Looks like I may sell and get a .22-250! or AI the .223? hmmmmm decisions. As for the .243ai and a .22-250 the .22-250 uses loads less powder, bullets are cheaper which means I can shoot more with it! Plus Like Danny says The wife doesn't like me using the .243 anymore! It's quite fun to think about changes.The 243 will outshoot any 223 or 22/250 of course,though will use more powder doing so-but it is different-your original motive. You could meanwhile get a pretty good idea of what a 223 AI would be like by just shooting somewhat lighter bullets in the 223,soa little faster.The AI doesn't normally add any more than 150 fps,and often less....hardly a quantum leap,and there would meanwhile be no extra costs. The 22/250 is a step up,but if you are buying another rifle,why not a 243-you might get away with the 'imitation is the sincerest form of flattery'/you shoot it so well',line too.Savings on dies etc will offset the modest extra costs of consumables,unless you shoot a lot-and you will have considerably superior performance,and something different for the money anyhow.....243AI if you must,but then costs come back in....just a thought.....ballistics and relationships in harmony.....it's xmas! Gbal Link to comment Share on other sites More sharing options...
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