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Thread: 7mm rem mag "superpig"

  1. #16
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    Im running 68 grn 2217 with a 162eldx. Had a under half inch group with that and havent worked out the speed yet. 71grn was half inch but was pretty uncomfortable to shoot
    Last edited by Kip85; 22-06-2017 at 09:25 PM.

  2. #17
    Lovin Facebook for hunters kiwijames's Avatar
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    7mm rem mag "superpig"

    Quote Originally Posted by Gibo View Post
    Bloody Blaser aye
    Be fucked
    Gibo likes this.
    The range of what we think and do is limited by what we fail to notice. And because we fail to notice that we fail to notice, there is little we can do to change; until we notice how failing to notice shapes our thoughts and deeds

  3. #18
    Lovin Facebook for hunters kiwijames's Avatar
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    Quote Originally Posted by stug View Post
    I'm going to have to re-look at my 7mm mag, R93, 24" barre,l 162amax, 50thou jump, 71gr 2217, getting 2854.
    With N560 I was getting mental speed in my R93. Stupid like 3150 - 3200 with 162 AMax. Gone to 2225 and doing 3050 with decent accuracy. Took a long time to work out the Blaser barrels allmost all run most accurate with decent jump. IIRC around 0.020" min.
    The range of what we think and do is limited by what we fail to notice. And because we fail to notice that we fail to notice, there is little we can do to change; until we notice how failing to notice shapes our thoughts and deeds

  4. #19
    GWH
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    Quote Originally Posted by Tim Dicko View Post
    mate im thinking some of these loads must be warm considering barrel length. ive got a 23 or 24 running 2225 162 amax 2964fps. 73.5 grains in a tikka t3. no idea
    My 22" 7Saum barrel runs at 3005 fps with 67.5gr of 2217. A 24" 7RM should easily be able to do that surely.
    Kip85 likes this.

  5. #20
    Member Dr. Watson's Avatar
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    Quote Originally Posted by Dorkus View Post
    My 7RM (bought off DW) is either 20 or 21" barrel and runs Berger 168s at 3050
    21.5 any shorter and it gets harder to do the cool stuff

    https://www.youtube.com/watch?v=GGHJ2BNis_k
    kimjon and Dorkus like this.

  6. #21
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    Chopped my T3 back to 22" and put a DPT can on, at 24" with the 162 AMax and N560 I was getting 3090 fps, after the chop and can the same load produced 3123 fps ! Not what I was expecting, grouping improved too.

    Only other factor that I thought might have influenced this was velocity measured at 24" was at the NZDA range in Upper Hutt, at 22" at the NZDA range Christchurch.
    Kip85 likes this.

  7. #22
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    Quote Originally Posted by AMac View Post
    Chopped my T3 back to 22" and put a DPT can on, at 24" with the 162 AMax and N560 I was getting 3090 fps, after the chop and can the same load produced 3123 fps ! Not what I was expecting, grouping improved too.

    Only other factor that I thought might have influenced this was velocity measured at 24" was at the NZDA range in Upper Hutt, at 22" at the NZDA range Christchurch.
    Measured velocity means zip unless its validated

  8. #23
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    Keeep 7mrm at 24 in get a 7mmo8 for bushpig just my opinion
    Shearer, Kip85, 25/08IMP and 4 others like this.

  9. #24
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    I was always told speed isnt everything. Seems like everyone want to be up @3000fps

  10. #25
    GWH
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    Quote Originally Posted by Kip85 View Post
    I was always told speed isnt everything. Seems like everyone want to be up @3000fps
    Speed certainly isn't everything, great consistency in accuracy should always be the primary objective, but if you can get near max possible velocity (for your cartridge/rifle package) while keeping that great accuracy then why would you not want the extra advantage from reduced windage and more terminal energy etc/extended useful range?
    veitnamcam, 199p, Kip85 and 2 others like this.

  11. #26
    DAF
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    With suppressing a super short 7mm Rem Mag you need to be wary of the pressure at the muzzle and the effect that will have on the suppressor.
    last thing you want to do is wreck your suppressor
    veitnamcam and Gibo like this.
    "Such is life..." - Ned Kelly

  12. #27
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    Has anyone run factory ammo through shortened 7mm Rem Mags? And if so, what performance are you getting and how is it to shoot?

  13. #28
    Member Mangle's Avatar
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    Don't do it....do what Trooper90 says...or get a short 308....
    Just saying...

  14. #29
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    Quote Originally Posted by GlenM View Post
    Has anyone run factory ammo through shortened 7mm Rem Mags? And if so, what performance are you getting and how is it to shoot?
    Dunno about factory ammo but with reloads plenty of people are still getting a 162 at 2950 - 3000fps out of a 20” barrel. I’m intending to chop mine from 24 down to 21 next year.

  15. #30
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    Seems like you end up simular to a 284 performance with a ton more powder?

 

 

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