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Thread: 6x45 Rem barrel

  1. #181
    Member Micky Duck's Avatar
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    @Seventenths Im guessing that sexy scope doesnt have any letters before its serial number???? eg its made before 1974 just like mine LOL. lovely looking rifle.

  2. #182
    Member Timmay's Avatar
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    Hypothetically speaking, if someone wanted to rechamber a .223 Model 7, what 6mm barrel could they start with? would a 243 have enough meat to be cut back and rechambered or do you have to go new barrel from the likes of gun works?

  3. #183
    Member Timmay's Avatar
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    Quote Originally Posted by Seventenths View Post
    75 gr Sierras with 25 gr AR2206H

    I'm loading up a few more tomorrow
    @Seventenths Seems like a mild load?

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    Last edited by Timmay; 12-08-2020 at 07:33 PM.

  4. #184
    Member Wingman's Avatar
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    Quote Originally Posted by Timmay View Post
    Hypothetically speaking, if someone wanted to rechamber a .223 Model 7, what 6mm barrel could they start with? would a 243 have enough meat to be cut back and rechambered or do you have to go new barrel from the likes of gun works?
    Depends on the .243 barrels knox profile/length.
    The Rem Mod 7 has a 1-1/6" tenon thread and needs to be about another 1/4" larger than that for the shoulder to pull up on the recoil lug.
    Ive cut down quite a few .243win barrels for 6x45s but most for smaller tenon threads such as Sako, CZ and Zastavas

  5. #185
    Member Timmay's Avatar
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    Ok, thank you, Might be better for me just to price up a new barrel.. any ideas on costing roughtly?

  6. #186
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    Quote Originally Posted by Timmay View Post
    @Seventenths Seems like a mild load?

    Attachment 147391
    @ Timmay it might seem a mild load and probably is but I have the projectiles seated out as far as I could so I am limited with the L461 action.

    I have tried 25.5 gr AR2206H but it’s a compressed load with pressure signs very apparent, accuracy the same but I’d rather stay on the side of caution.

    I don’t have quickload but if you run the figures for AR2206H what is the optimum powder load?

    Also what powder does quickload recommend for the 6x45?

    As for a barrel... PM Wingman for some very sound advice!!!
    Micky Duck likes this.

  7. #187
    Member Timmay's Avatar
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    Quote Originally Posted by Seventenths View Post
    @ Timmay it might seem a mild load and probably is but I have the projectiles seated out as far as I could so I am limited with the L461 action.

    I have tried 25.5 gr AR2206H but it’s a compressed load with pressure signs very apparent, accuracy the same but I’d rather stay on the side of caution.

    I don’t have quickload but if you run the figures for AR2206H what is the optimum powder load?

    Also what powder does quickload recommend for the 6x45?

    As for a barrel... PM Wingman for some very sound advice!!!
    @Seventenths Give me your OAL of the load mate I'll run a figure that matches that for you as increasing the OAL will DECREASE the pressure and fps generally speaking

  8. #188
    Member Wingman's Avatar
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    25gr of 2206H is the listed starting load for the 6x45 with 27gr being the max load.
    Im showing primer craters in mine with 26.5gr of 2206H and the 75gr but my barrel is a 1-14" slow twist and has a COAL of 59mm.
    The Sako and Zastavas are limited to a COAL of about 46-47mm and have the faster 1-10 and 1-9 twist so will show pressure much sooner.
    H355 is probably a better powder for that situation as it is less bulky.

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  9. #189
    Village Idjit Barefoot's Avatar
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    Yeah, loads are going to be designed around mag and action length for all the mini actions. A model 7 is a larger action so you should be able to take advantage of the extra length.
    The Biggest Room is the Room for Improvement

  10. #190
    Village Idjit Barefoot's Avatar
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    Alternative projectiles which might interest 6x45 users arrived today - Targex 70gr flat base, hollow point.

    Length

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    Comparison to 85gr Sierra

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    The Biggest Room is the Room for Improvement

  11. #191
    Member Wingman's Avatar
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    Those Targex look the bizzo for my 1-14" twist.. I wonder if the jackets are as thick as the 75gr Sierra HPs.
    My barrel really likes the 75gr Sierra HP and the 70gr Nosler Varmageddon.
    The Noslers have to be seated a bit deeper due to the polymer tip and longer ogive but with 26.5gr of 2206H they are pretty racy and flat at 3100fps.
    I need to retest them in the next few days to see if the new chamber has improved thier groups

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    Micky Duck likes this.

  12. #192
    Member Timmay's Avatar
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    @gimp I see a few years back you made a post on an american shooting forum about an extended Model 7 box mag but still shotting a .223... Did you end up finding one?

  13. #193
    Member Wingman's Avatar
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    @Timmay what is the max COAL your Mod 7 mag can handle currently?

  14. #194
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    @Wingman, what happened to the 6.5 x 47 you were working on a while back ?

  15. #195
    Member Timmay's Avatar
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    It's 60.5mm. although it's just a bit of bent steel thats used as a mag box reducer.

 

 

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