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Reloading Berger Bullets


Help with bullet choice for 7 mm STW

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Unread 10-10-2007, 09:25 PM
Silver Member
Join Date: May 2006
Posts: 288
Please do i love the caliber but have a lot to learn about loading. I learn from all of you guys with every post
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    Unread 10-11-2007, 10:21 AM
    Gold Member
    Join Date: Jul 2006
    Posts: 622
    I agree 100% with what VH said. I use 80 grains of Retumbo in my STW with the 160 AB. Velocity is only 3050, but accuracy is great.
    Member 7MM STW Club
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    Unread 10-11-2007, 11:10 AM
    Silver Member
    Join Date: Sep 2007
    Location: Ogden, Utah
    Posts: 249
    I am very partial to berger bullets, I have had really good luck with them in any gun I have loaded them for. I like nosler bullets, but for long range I would shoot berger bullets over nosler any day of the week. I like the 168 gr. vld's but the 180's are also good ones to shoot.
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    Unread 10-11-2007, 03:05 PM
    Silver Member
    Join Date: Aug 2007
    Location: Oklahoma
    Posts: 170
    71.5 gr IMR 4350, 140 gr Accubonds, Mag primers = 3400 fps out of a Sako w/ 26" tube. no signs of too much pressure.
    Member - 7STW Club
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    Unread 10-12-2007, 01:35 PM
    Junior Member
    Join Date: Jan 2006
    Location: S.W. Pa.
    Posts: 28
    162 gr A-Max ,73.5 gr Rel 22, 30" Hart.
    Excellent performance on game and steel,Yardages from 200-1400(as far as my range goes).
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    Unread 10-12-2007, 05:09 PM
    Gold Member
    Join Date: Dec 2002
    Location: mathias wv
    Posts: 987
    well in my rifle I just start to get a sticky bolt with the 140's at 3600 fps, and it takes 88 gr of H-1000 to get it there. the 160 gr load is shot around 50 degrees because of the temp sensativity of WC872.
    Born to Hunt, Forced to Work!
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    Unread 10-12-2007, 06:47 PM
    Platinum Member
    Join Date: Jul 2004
    Location: Texas
    Posts: 7,001

    With so much intrest in the 7 STW I decided to go through
    my reloading notes and see if I could help those new to
    this round.

    I will share what my experience was with the STW and hope
    others like varmint hunter will share thier's ,for an overall view
    of the big 7 .

    On a previous post I spoke about the velocity bug and how
    bad I had it,so I set out to have one of the flatest shooting
    rifles around. Remember this was when the STW was strictly
    a wildcat based on the 8mm Rem Mag case.

    Then as is now the longer the barrel the higher the velocity,
    so I started with a 32" .284 1in91/4 twist with a finished
    length of 31" This was as long as you could get at the time.

    To keep the overall length of the rifle to a minimum I chose to
    build it on a Browning B 78 action. Realy a nice hunting rifle
    for the area of west texas that I hunted.Average shots were
    300 to 400yrds with some being 800 to 900yrds so a flat
    shooting rifle would come in handy.

    First I started with the 120 gr bullets and exceeded 3800 ft/sec
    but accurace fell off at 3680 no mater what load I used and the
    best group with the 120's was a dissappointing 1.228 @ 100yrds
    So after 31 different loads I gave up on the 120's.

    Next I tried the 140;s These were very flat shooting @ 3625ft/sec
    (my hot'est accurate load)using 7828 .RELOADER 22 gave me 3538
    ft/sec but poor standard deviations (23)and H1000 was 3532ft/sec
    with a SD of 15. H 5010 gave the best overall performance at 3537
    ft/sec and a SD of 9. group size was .393 @ 100yrds.

    I like to load at 100% case density an H 5010 worked well and was
    not so temperature sensitive.

    The main problem with the 140 gr bullets was 300 to 400 yrd shots
    required bullets like the Nosler partition or Swift A frame and 500yrd
    to 1000 needed thin jacketed bullets like the Blistic tip to perform
    on deer size game.

    Rather than hunt with two different bullets I decided to try 150 and
    160gr bullets and give up some velocity. At 3374 ft/sec I did'nt loose
    much trajectory and bullet performance was very good.

    Also all of these loads liked the Rem 91/2 Mag primer better than the Fed
    215 .The feds gave higher velocities but the 9 1/2s gave much better
    standard deviations and groups.

    Powders that seemed to work were.=H1000,IMR 7828,reloader 22 and
    H 5010 with 5010 being the best in my rifle.

    Also all of the best loads used 8mmRM necked down and outside neck
    turned to max thickness for bullet grip.

    I did'nt include powder charges because these loads could be hot in
    other rifles so work up slowly.

    This information came from over 200 different loads and thousands
    of shots.

    Good luck with this information and I hope others will post there
    findings so I to can learn more about this round.

    "PRESS ON"
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