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Thread: Help from the knowledge bank

  1. #1
    Member Hunt4life's Avatar
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    Help from the knowledge bank

    Came into a few dollars and want to buy a LR beast for Tahr and Reds/Sika on the tops out to 400+.
    Mates have 7mmRM and .308. The 7RM boasts awesome ballistics, but the blast is horrendous. I developed a flinch years ago when shooting .308 (aka mule) in competition so will stay clear of .30cal now I've overcome that with 6.5.
    So I've been looking at the WSM range and liking the .270wsm and 7mmwsm. They both scream out of muzzle at well over 3200fps and drop and wind resistance is as good as 7RM.
    Questions:
    1. Are the fat short magnums still a problem with feeding into breech?
    2. Are they both just as loud as 7RM?
    3. Is finding brass an expensive nightmare?
    4. Do the WSMs boot like mules?
    5. Is barrel life particularly short?

    Lastly, does anyone have a Tikka T3 Hunter Stainless Fluted in 7mm WSM with good quality scope they want to sell me?



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  2. #2
    Member BRADS's Avatar
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    1. No
    2 yes
    3 yes
    4 yes
    5 no
    Get a rem mag


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  3. #3
    Almost literate. veitnamcam's Avatar
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    if you developed a flinch with a 308 stay the fuck away from anything with WSM SAUM or MAGNUM in the name.
    Kiwi Greg, ebf, mikee and 9 others like this.
    "Hunting and fishing" fucking over licenced firearms owners since ages ago.

  4. #4
    Member Hunt4life's Avatar
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    Yep, inclined to agree. Although I'll never again shoot as many centre fire rounds in one session as I used to with .308. It was more the repetition than the recoil or blast Cam


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  5. #5
    Member camo wsm's Avatar
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    A mate of mine has a sako 85 finlight in .270 wsm that he would part with, with any of those cals in a lightweight rig
    I would want a can or break, .270 or 300 wsm brass easy to get and same with 7 rem mag I have a 7 LRM which is just a
    bit bigger than a rem mag and its fine to shoot with a can but you still definitely know its a magnum

  6. #6
    Member 257weatherby's Avatar
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    Name:  M70 7mm Rem Mag.jpg
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    7mm Rem Mag. Check the for sale threads.
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  7. #7
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    Quote Originally Posted by veitnamcam View Post
    if you developed a flinch with a 308 stay the fuck away from anything with WSM SAUM or MAGNUM in the name.
    Haha that's some pretty solid advice.

    If I was you the first thing i'd do being going to a magnum would be to test if I still had a flinch or not. Have a mate load the rifle for you and one round in about 10 not load anything. You may be surprised to find you still flinch. Read this somewhere as one of the suggested ways to test, as most people don't even notice they're flinching as it's all covered by the blast.

    I didn't think I was flinching the other day when I had a bruised shoulder after about 75 rounds with the shotgun the night before, but then I had a jam and I flinched like fuck. Only reason I noticed it was because there wasn't the normal cover of the round going off. Really surprised me as i've had the odd missfire due to various reasons (not cycling bolt back enough, thought I had 1 more in the magazine, etc) and never flinched before.

  8. #8
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    Have a look at a 6.5saum especially if your shy of recoil

    a rem mag will probably burn the throat out just as quick as a wsm but depends on how you treat it just like any other calibre
    #BallisticFists

  9. #9
    ebf
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    The gnome returns ! ebf's Avatar
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    Just read your initial post again. For 400m, I don't think you need a magnum. Most medium calibers with the correct choice in projectile will give you sufficient energy for decent kill at that distance.

    If you do go to a magnum, go for the heaviest rifle you can find. No shit, light rifle + magnum = kick. Of course heavy rifle and tops rifle in same sentence dont go well together Limbsaver recoil pads and either a brake or suppressor can reduce the felt recoil significantly.

    Personally, I would look at something like a 7mm08 with a longish (? 26 inch) sporter barrel. Awesome projectiles available, longer barrel will give you bit more speed and energy. Put a lightweight modular can (dpt or ssr) on it, and use 162 amax or 140 berger vld hunting, happy camper.
    Last edited by ebf; 27-03-2015 at 07:46 AM.
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  10. #10
    Member 199p's Avatar
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    You dont need a magnum for 400 but to shoot 400 in the wind you do. Its about bucking the wind not the drop.

    I think a 280 would do you well, not quite a magnum but better performance then 7mm08.

    Get someone to make you a load with the 162amax around 2800fps
    BRADS and shooternz like this.
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  11. #11
    Member Tommy's Avatar
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    Flatmate is going on his OE soon and will be selling his 7mmRM that he uses on tahr when he's back home in Chch. It's a Tikka stainless/synth, braked, can't remember the details of the scope but I'll find out tonight. Has fired 70-90 rounds from memory.

  12. #12
    ebf
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    Quote Originally Posted by 199p View Post
    You dont need a magnum for 400 but to shoot 400 in the wind you do. Its about bucking the wind not the drop.
    Um, take it from someone who shoots a fair amount of long distances in wind using non-magnum calibers...

    162 amax @ 2500 (sedate out of a 7mm08) 12mph full value wind = around 7.0moa
    162 amax @ 3000 (7mm RM), same wind = 5.3moa

    bottom line is if you do not adjust, both will be a complete miss. sure the magnum gives you some room for error, but it is significantly less than what most folks think...
    Viva la Howa ! R.I.P. Toby
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  13. #13
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    Yep. But, if the shot is slightly marginal - a bigger pill gives you much better hydraulic shock and awe value. I can't understand why people get a rem mag load it with the same pill they use in their 7mm08, go heavy young man. High MV gives you a millisecond of bragging rights and sod all else.

    If the OP still has a flinch issue, check stock fitment and explore inertia dampers and suppressors (which will tame blast - one of the contributors to flinch same as dog aversion training, make a loud noise and thump it - it will flinch and eventually it'll flinch just with the noise learned behaviour). Poor stock fitment will do more to make felt recoil worse than anything else all being equal. Doesn't matter what the calibre is, if you have a flinch it will still be there in some form even with a slightly smaller calibre. It's a matter of physics, newton and all that - changing down 20gr of bullet weight won't make that much difference BUT correcting stock fitment, taming the recoil energy and reducing blast from the muzzle will.

  14. #14
    Member Uplandstalker's Avatar
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    If you are shooting the tops like myself(Rem700 270WSM, 150Gr VLD at 3180fps) put a removable brake on it. You have plenty of time to put your hearing protection on at 400+

    7mmRM should be more than enough.

  15. #15
    Member viper's Avatar
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    I don't have a lot of experience with the bigger calibres but did have a Tikka T3 in 7.08m. I hated the "BOOM" once you pulled the trigger, got it suppressed and it was like night and day.
    Not only was the huge blast knocked down to about .22 mag levels but it was a total pussy to shoot. I would guess about a 50-60% felt recoil reduction, you could even keep the sight picture through the scope.
    It makes shooting a pleasure and if you have blast / flinch / recoil aversions it will be the best money you can spend.
    7mmsaum and PERRISCICABA like this.

 

 

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