Dac9976 Posted December 23, 2014 Report Share Posted December 23, 2014 Hi all Just a quick question for any Blaser owners. I've got an R8 in 6.5x55, was thinking about getting a.243 barrel for foxing. My question is would I need a separate bolt for the .243? Cheers Danny. Link to comment Share on other sites More sharing options...
Finman Posted December 23, 2014 Report Share Posted December 23, 2014 While I'm sure some will prove me wrong, I'm under the impression that the 6.5x55 is a larger/different bolt face diameter than the .308 (.473"?). Some are able to make it work, but I'd have thought only after machining the 6.5x55 boltface to fit. Good luck! Finman Link to comment Share on other sites More sharing options...
farmer7 Posted December 23, 2014 Report Share Posted December 23, 2014 If you look towards the end of the Blaser catalogue it shows the bolt heads as mini, standard, medium and magnum. The .243 and 6.5x55 both are listed as medium. Although as finman said I think the case heads are different sizes. Link to comment Share on other sites More sharing options...
Dac9976 Posted December 23, 2014 Author Report Share Posted December 23, 2014 Thanks chaps Just an article that states .243 and 6.5x55 bolt heads are compatible:) only need the new barrel Cheers Danny. Link to comment Share on other sites More sharing options...
Dac9976 Posted December 23, 2014 Author Report Share Posted December 23, 2014 Thanks chaps Just an article that states .243 and 6.5x55 bolt heads are compatible:) only need the new barrel Cheers Danny. Thanks chaps Just an article that states .243 and 6.5x55 bolt heads are compatible:) only need the new barrel Cheers Danny. Just read an article. Link to comment Share on other sites More sharing options...
gbal Posted December 23, 2014 Report Share Posted December 23, 2014 While I'm sure some will prove me wrong, I'm under the impression that the 6.5x55 is a larger/different bolt face diameter than the .308 (.473"?). Some are able to make it work, but I'd have thought only after machining the 6.5x55 boltface to fit. Good luck! Finman Or prove you right...6.5x55 is .480 .243win is .473 ;as is the 7-08 rem;but the 260 rem-aka 6.5-08 ASquare-is .467 The same bolt (Bat) can be made to handle 6.5x55 Ackley and 6BR norma (I don't know about Blaser action). gbal Link to comment Share on other sites More sharing options...
Jay1 Posted December 23, 2014 Report Share Posted December 23, 2014 For what its worth my RPA bolt works on .308, 6.5x55 and 6BR Link to comment Share on other sites More sharing options...
Ronin Posted December 23, 2014 Report Share Posted December 23, 2014 Theres enough tolerance built in most .473" bolt heads to accommodate the .480" 6.5 x 55 case head As already stated, Blaser doe not do a specific head for this calibre - its the "medium" bolt head Link to comment Share on other sites More sharing options...
Finman Posted December 24, 2014 Report Share Posted December 24, 2014 Theres enough tolerance built in most .473" bolt heads to accommodate the .480" 6.5 x 55 case head As already stated, Blaser doe not do a specific head for this calibre - its the "medium" bolt head It is probably an academic issue, but, doesn't that cause extraction issues for the smaller boltface cartridges? I'll try a .308 round on my 6.5x55 sako bolt (not chamber!!) to see if that is also true for the sako.... Best wishes Finman Link to comment Share on other sites More sharing options...
tonyc Posted December 24, 2014 Report Share Posted December 24, 2014 The .243 and .308 use the same bolt size and magazine insert, that bolt (standard) should work for the 6.5 but I am not sure about the magazine, I think that the 6.5 mag is linked with 25-06 (as on R93). Hope this helps Link to comment Share on other sites More sharing options...
Dac9976 Posted December 24, 2014 Author Report Share Posted December 24, 2014 The .243 and .308 use the same bolt size and magazine insert, that bolt (standard) should work for the 6.5 but I am not sure about the magazine, I think that the 6.5 mag is linked with 25-06 (as on R93). Hope this helps From what I've read, it's all compatible:) Cheers Danny. Link to comment Share on other sites More sharing options...
fizzbangwhallop Posted December 25, 2014 Report Share Posted December 25, 2014 Pages 58/59 show the bolt head calibre groups in Column 1. http://www.blaser.de/uploads/media/R8_Brochure_2012_EN_01.pdf Fizz Link to comment Share on other sites More sharing options...
gazzar15 Posted December 25, 2014 Report Share Posted December 25, 2014 I used to have t a 6.5 Swede barrel for my LRS2 along with 308 and 243.The bolt head is the same. Link to comment Share on other sites More sharing options...
sako Posted January 3, 2015 Report Share Posted January 3, 2015 I have 6.5 and 308 barrel on r93,same bolt head. Link to comment Share on other sites More sharing options...
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