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Thread: Rather than discuss best deer calibre...

  1. #1

    Rather than discuss best deer calibre...

    The "discussion" over which chambering is best as an all round UK deer rifle has rumbled on for years - there is another thread up at the moment on the subject.

    In my mind the chambering is totally irrelevant as the shape of the brass has nothing to do with what comes out of the barrel. Wouldn't it be more relevant to discuss the ideal weight and construction of bullet and the best speed to drive it at?

    Reach some sort of consensus on that and the outcome is likely to encompass a very wide range of calibre's and chamberings.

    My starter for 10 would be a 140 grain soft nose bullet driven at about 2900 fps. Perfect for anything in the UK inside 250 yds shot through the chest. You would spec differently if the distances were longer or if you were predominantly neck shooting, but for your average amateur stalker I think this is about right.

    Discuss...
    So much to learn and so little time left

  2. #2
    Hmmm... yes and no... cross sectional density is as, if not more important than weight and that is calibre driven.

    So, we need to be talking about cross sectional density, projectile weight and muzzle velocity

    So, we need to be talking about calibre

  3. #3
    Thats kinda where I've been going with my recent posts about reloading for my .308. Which bullet weight, which powder and so on...

    From what I have read and my own personal preference I'd say 150gr thrown at 2700fps. Whats putting me off going up to 165gr is the velocity comes down to around 2500-2600 out of a .308 so far open hill stalking that might become a bit loopy.

    The only reason I have upped the grain weight and reduced the speed slightly to the OP is that from what I've seen lighter, faster bullets tend to do more meat damage whereas heavy and slow(er) tend to do less.

    JMHO and YMMV.
    "If you're shooting badly, you need a new gun. If you're shooting well then you deserve a new gun."

    Self confessed Schultz and Larsen addict.

  4. #4
    Sectional density is a waste of time as this changes at the moment the bullet starts deforming.

    More important is bullet construction.

    If you're concerned about trajectory, velocity and ballistic coefficient is what determines this.
    Last edited by takbok; 17-11-2016 at 14:14.

  5. #5
    Quote Originally Posted by stubear View Post
    Thats kinda where I've been going with my recent posts about reloading for my .308. Which bullet weight, which powder and so on...

    From what I have read and my own personal preference I'd say 150gr thrown at 2700fps. Whats putting me off going up to 165gr is the velocity comes down to around 2500-2600 out of a .308 so far open hill stalking that might become a bit loopy.

    The only reason I have upped the grain weight and reduced the speed slightly to the OP is that from what I've seen lighter, faster bullets tend to do more meat damage whereas heavy and slow(er) tend to do less.

    JMHO and YMMV.
    Loopy?!?!?!?!? out to 300 yards, loopy doesn't come into it...

  6. #6
    Quote Originally Posted by Vipa View Post
    Hmmm... yes and no... cross sectional density is as, if not more important than weight and that is calibre driven.

    So, we need to be talking about cross sectional density, projectile weight and muzzle velocity

    So, we need to be talking about calibre
    You're quite right. a 140gr .600 Cal would be rubbish at 2900. A 140gr .240 Cal at 2900 could be excellent.

    Calibre does need discussing but chambering does not.

  7. #7
    Sectional density determines, to a large degree, how much the bullet will deform and therefore the efficiency of the terminal ballistics. It also has a direct correlation to a bullet's BC. I would say that the terminal ballistics performance is more than relevant when trying to determine what projectile is best than merely weight and speed.

    EG.. a 140gn .308 and a 140gn 6.5mm bullet travelling at 2700fps will have significantly different terminal ballistics performance, so arguing about weight & speed is pointless unless you also argue about sectional density.

  8. #8
    Quote Originally Posted by Vipa View Post
    Loopy?!?!?!?!? out to 300 yards, loopy doesn't come into it...
    In that case - 150gr or 165gr? Coz I cant decide!
    "If you're shooting badly, you need a new gun. If you're shooting well then you deserve a new gun."

    Self confessed Schultz and Larsen addict.

  9. #9
    Quote Originally Posted by stubear View Post
    In that case - 150gr or 165gr? Coz I cant decide!
    I am a BIG fan of heavy for calibre projectiles... Heavy and slow (ish) = less meat damage and is slightly less affected by wind at stalking ranges. OK, you might have to re-evaluate your PBR and hold an inch or 2 more at extreme range but other than that, you won't notice much difference..

    I run 156gn in my 6.5x55

  10. #10
    Quote Originally Posted by Biathlonjimmy View Post
    Calibre does need discussing but chambering does not.
    Yep

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