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Thread: M03 Extreme. .270 or .308 as a second barrel?

  1. #1

    M03 Extreme. .270 or .308 as a second barrel?

    Hi all,

    I am lucky enough to have a Mauser M03 (which is a great rifle). I am going to get a second barrel for some upcoming Fallow outings and was wondering if anyone would recommend either the .270 or .308? It seems sensible as I would like something with a bit more punch and I may take it to Scotland next year and I know from experience they prefer something a bit bigger than my .243 'up there'.

    Anyone have any experience or recommendations?

    Thanks in advance.

    Chris.

  2. #2
    I'd recomend a 30-06 to complement your 243. Especially if you are not going to shoot loads of ammo at the range. It'll do a bit more than a 308 - especially with heavier bullets.

    Ian

  3. #3
    the .243 will do better on scottish reds if you shoot it with complete confidence and no flinch. a 30-06 will (IMHO) be a better 2nd choice than the .270 as you can move far higher up the bullet weight range. However, what's actually quite interesting is seeing groups with various calibres, I wouldn't be surprised if you found in 'stalking conditions' you would be grouping sub inch with the .243, but closer to 2" MOA with the 30-06. I say this based on people I've seen and met and stalked with shoot some pretty bad groups with their big guns, and when they've tried my wee .222 or .243, they've thought it was a laser and been amazed at how 'accurate' it was..that said, it wasn't the gun that was accurate, it was the mild recoil that made them shoot better.

    Therefore, I'd rather put a perfect shot into a big hill red with a .243 than a less than perfect shot with a 30 calibre.

    Should you have the skill and confidence to shoot a 30Cal with the same relaxed posture as your .243, then yes, by all means take that to the reds and sika.
    “One does not hunt in order to kill; one kills in order to have hunted.” - Jose Ortega y Gasset

  4. #4
    I use an M03 also

    if you go 308 u can use the same bolt head and magazine

    if you go 30-06 or 270 u can use the same bolt head but you will need a new magazine c type I think so an extra £100 ish


    id go for a .308 as a cheaper option or 30-06 if your not fussed about cost


    i use 6.5 on everything

  5. #5
    i had the same issue with my m03 [witch i love] in the end i setteld for 223 rem barrel, shooting 55grain vmax a 7+64 barrel, shooting 160 grain game king, and a 93+62 barrel shooting 250 grain accubonds & 286 grain partitions, in my opinion for what its worth covers just about anything

    steve

  6. #6
    20/20 You just had me going there! Off I went looking for Nosler Partition 186 grain 9.3mm bullets. Couldn't find them so came back & you had edited your post! LOL
    The lightest 9.3 bullets I found recently are Seller & Belliot 193 grain SP. Shoot very well in a 9.3x62 Mauser.

    p.s. Sorry for minor thread hijack.

    Pietas - I agree that some folks can't shoot heavy calibres well - That is their fault for not learning how to cope with their rifles recoil - It's not the calibre that is wrong! It goes without saying that anyone aiming to shoot live quary needs to be competent with their chosen equipment.

    Ian

  7. #7
    Thanks all for your thoughts and advice. Will probably go with the 30-06 as just need to change the magazine and can take both and keep my options open. By the sounds of things I need to go and get some rounds down the range for some practice with my new kit when it turns up.

    Thanks again.

    Chris.

  8. #8
    There is no difference between the 270 and 308 out to 400 yards if you handload and use sensible barrel lengths for their respective cartridges.

  9. #9
    Quote Originally Posted by whelen nut View Post
    There is no difference between the 270 and 308 out to 400 yards if you handload and use sensible barrel lengths for their respective cartridges.
    This----^

    Just make sure to use bullets of similar SD and BC when making the comparison.

    OTOH a .30-06 loaded with 200 grain Nosler Accubonds at 2650fps or a 22 grain nosler partition aT 2550FPS is a step up from either of them on really big game IMO (150 kgs+ clean weight).

  10. #10
    hi ian slight slip of the finger there between 1 & 2 he he i tried the 193 grain bullets in mine & had case head separation probs lapua brass new out of box gave up with them in the end.

    steve

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