Gunwerks 7 LRM???

Discussion in 'Rifles, Bullets, Barrels & Ballistics' started by coyotezapper, Jul 24, 2010.

  1. coyotezapper

    coyotezapper Well-Known Member

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    I was on Gunwerks website this morning and noticed that in their LR-REM model rifle that they offer it in 7LRM. Anyone know what a 7 LRM is? A 7mm-338 Lapua maybe??
     
  2. ovastafford

    ovastafford Well-Known Member

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    Its a 375 ruger necked down to 7mm. They told me that they are getting ultramag velocities with slightly less powder if I remember right.
     

  3. AZShooter

    AZShooter Well-Known Member

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    Interesting that Gunworks coins the name. The 7mm-375 Ruger popped up quickly after the 375 Ruger was introduced. I don't believe that this cartridge can duplicate 7 RUM performance. The case is almost identical to the 7mm Dakota. Case capacity is also very similar to the 7 STW. You don't hear anyone saying their 7 STW duplicates 7 RUM performance.

    IMO the 7mm-375 Ruger IS a cartridge that should be built and offered by Ruger/Hornady. It fits a standard long action and 375 Ruger brass is far less costly than Dakota brass. It would be a welcome addition to the huge list of 7mm offerings.
     
  4. Terry Scott

    Terry Scott Well-Known Member

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    Spoke to Erin to day (G7) he is looking at the 7LRM to push 180 Begers@3100
    without too much effort. sounds very viable, and I am concidering having him make me one.
    Anyone had any experience with this cartridge?
     
  5. bigngreen

    bigngreen Well-Known Member

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    I saw that the other day and was kinda wondering what it was. They need to use bigger and better chambering as they offer products that have longer range potential so it's only a matter of time and they will have to step it up even harder to keep market share, not to mention having to do something different than the competition, looks like good old business in action!
     
  6. 300stw

    300stw Well-Known Member

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    i have been considering the same cartridge,,,
    wondering about sizing brass from 375 to 7mm...

    inside neck reaming? outside turning is a given,
    dies , redding bushing dies maybe,,,,,

    i was wanting a 180 berger in the 3100 range, not wanting an STW , have had many of them as well as built many for other people,,,,
     
  7. Terry Scott

    Terry Scott Well-Known Member

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    G7 will size and fireform the brass for you so I was just going to pay for the pain and time and let them make me up 200 cases and call it good.
    I think it is fairly extensive, but then I'd be done with it for pretty much the life of the gun.
    Does the Berger 180 work well @3100fps? I thought so, but I thought I'd ask.
    I'm going to make this rifle primarily for big game hunting at long range, not my everyday target rifle.
     
  8. Len Backus

    Len Backus Administrator Staff Member

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    Yes, it does, based on my 7 Dakota experience at 3145 fps.
     
  9. Terry Scott

    Terry Scott Well-Known Member

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    Performance wise the two look pretty similiar, how much more if any recoil, than say a 7mm Mag?
    As for the berger bullets, I was going to specifically throat the barrel for the 168dr or the 180gr Begers.
    Habe you shot the 165s? if so is there any advantage to using them on deer sizes game?
     
  10. Len Backus

    Len Backus Administrator Staff Member

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  11. skipdavidson

    skipdavidson <strong>SPONSOR</strong>

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    Recoil is only a small increase over the 7mm Mag with 168 (23.6 versus 27.4 with the LRM). We see the 180's at 3085 to 3100 fps at 75 rounds. The neck is longer, and with a 180 seated to fit a std mag box, the boat tail just barely enters the case. Advantage over the Dakota is std Mag bolt face. We do not push this very hard because of the workload involved in brass mfg, but it makes a nice package. I personally am not a big fan of wildcats, but we are working for properly mfg'd brass with headstamp.
     
  12. Terry Scott

    Terry Scott Well-Known Member

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    Ok took the plunge. Bought a7MmLrm from GSeven

    We will see but it looks promising
    Basically pushing the 168 or the 180 Berger faster with less pressure than the 7 mag
    Stay tuned I'm going to find out.
    The whole thesis with gunwerks is to put the whole picture together
    Very forward thinking.
     
  13. Len Backus

    Len Backus Administrator Staff Member

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    Terry

    We look forward to your reports. I have confidence.

    How much powder?
     
  14. joelbiltz

    joelbiltz Well-Known Member

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    I Just recieved my LR 1000 from Gunwerks. From what I can tell this is a mild load but 72 GR of H1000 and a 180 Berger VLD at 3035. It shoots outstanding. Granted I have only shot it at 100 yards and 6 rounds but all 6 were one little ragged hole. The LR 1000 is a outstanding rifle. Seems easy to shoot, balances like no other. I cant wait to stretch her legs out. The G7 scope is outstandng also. I have Owned leupolds zeiss swaro and huskamaw, and now I want to replace all my scopes. Gunwerks is producing some very nice systems and will have me as a customer for a very long time. The customer service is second to none. I spent alot of time on the phone with both Aaron and Mike and they are both top notch, they answered all my questions and concernes very proffesionally.