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.20 Feedback

Discussion in 'Anything Airgun Related' started by Tripleteer, Jan 14, 2014.

  1. Tripleteer

    Tripleteer Donator

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    Hi All.
    To all you guys that are using the .20 caliber air rifles, could you give the forum some feedback on your thoughts and findings, trajectory issues etc, so that us people using .22 or .177 can have some background on this calibre before we decide to buy one, I am sure it will be much appreciated by all.
    Many Thanks Paul.
     
  2. DanLarn

    DanLarn Member

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    I just bought a .20 Huntsman, should spend the afternoon tomorrow getting it nicely bedded in, I will let you know how it all went. I must admit I've never owned a .20 before, but have known a few others that have, they all seem to think it's as good as it gets. Proof will be in the pudding though, we'll see how tomorrow goes.

    I will be following this thread closely, I'd like to see what people think.
     
  3. The Robin

    The Robin Super Moderator Staff Member Mod/Admin

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    I shoot .177, .20, .22 and used .25

    For me as a hunter the all do the job but my fav cal is .20, there is a choice of pellets fair enough not as many as .177 or .22 but there is h&n, jsb, bisley to name a few which my barrels like

    If you can try and have a go with one is best to see what you think, if your ever at the Halifax air club range your welcome to try my rapid .20 on the 35 meter range if I'm about :up:
     
  4. Clubshot

    Clubshot Clubshot

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    .20 was originally a USA Calibre

    Ben Taylor was a strong Supporter and got involved when he had his own Shop

    Big issue is there are now several different Barrel makers

    Resulting in Different Head sizes in .20
    :eek:

    But there is now a real good Selection of .177 Pellets that are capable of dealing with most Air Gun Vermin / Targets


    BOB/R
     
  5. Accuspell

    Accuspell Pro Poster

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    What happened to the replies I posted on this very subject this morning....there was a newcomer asking about which calibre to buy, and he asked about the two common ones. I posted several replies to answers on the subject - I went fishing this afternoon, come home and I can't find the entire topic now :confused: What a waste of my time that was.
     
  6. ANGOF

    ANGOF Posting Addict

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    I find .20 to be the perfect caliber for hunting. Im zeroed at 30 yards and using H&N FTT`s. Perfect for squizzers who need the extra stopping power and flat enough for birds up in trees. Thought id always be a .22 man but im a convert and cant see me using anything else in sub 12 ftb.
     
  7. Akita177

    Akita177 The Absolute State of Britian podcast

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    In a 177 could you just not use Bisley magnums(10.6g) and in .22 use falcon accuracy +(13g) to give similar to .20 properties?
     
  8. Accuspell

    Accuspell Pro Poster

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    Quite simply - NO. It doesn't work like that. Close, but not the same. Besides, it is only the hoypoly that use heavies in .177 and cads use lights in .22 :p

    REAL gentleman use a 20. :D
     
    Last edited: Jan 14, 2014
  9. 177

    177 Donator

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    The important thing is you went fishing ;)

    Did you catch ?
     
    Last edited: Jan 14, 2014
  10. tomsteebs

    tomsteebs Donator

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    A equal weight but smaller calibre will travel faster and still give the same power , bit more penetration. Simple.
     
  11. Meteor62

    Meteor62 Major Poster

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    Was you referring to this thread?
    http://www.airgunforum.co.uk/forums/showthread.php?t=172910
     
  12. 177

    177 Donator

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    I have a nicely tuned HW95 with an HW80 .20 calibre barrel on it and I am very impressed with what it does. The same gun was originally a .177 and it shoots far nicer .20

    My next PCP, if and when I buy one, will definitely be in .20

    You wouldn't believe the number of emails I sent to Weihrauch, several German Weihrauch outlets, Hull Cartridge and various other potential sources regarding a .20 option on the HW99s :rolleyes:

    That's​ the importance I put on the calibre...


    Ah, but, as all the world knows, a faster travelling pellet loses energy far faster.

    Take a .22 pellet at 400 FPS and an identical .22 pellet travelling at twice the speed. Doubling the speed loses energy 8 times faster due to air resistance.

    .20 typically offers 40% more energy AT THE SAME VELOCITY as .177 making it pretty amazing at what I call 'nominal' FAC levels (16 - 20 FPE range) and superb at higher power from a PCP

    Obviously we shoot .20 slower than .177 to stay within our legal limits, however, it still retains more energy downrange. I could run some numbers but I'd guess around 20% or thereabouts.

    There seems to be a misconception that light pellets guarantees a better trajectory - often the reverse is true. What you need to do is find the pellet that your gun likes and that offers a great ballistic coefficient. That's the one that will offer a more useful trajectory, and it often won't be the lightest pellet.

    I've posted this before but an example is .22 Superdomes at 14.5 gr vs JSB Exact Jumbo at 15.89 gr

    The JSB Exact Jumbo offers a far better trajectory, especially past 30 yards where the Superdomes drop off more sharply due to their poorer BC

    Pellet weight is just one factor in a very complex puzzle...

    :)
     
  13. tomsteebs

    tomsteebs Donator

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    agree with all that, i was just trying to simplify it ;) power and energy are different in my vocab ;)
     
  14. Accuspell

    Accuspell Pro Poster

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    THAT'S THE ONE! :D Thank you - some silly sod moved it. How is an phart like me meant to keep up with those kind of movements? :confused:

    177 - yes i did actually! I had a couple of reasonable trout and one old stager that was over 7lbs, considering they only go in at around the 1lb - 1.5lb mark, it has done well. It will sulk for a couple of days, but is there for someone else!

    Back to the topic.
     
  15. JD

    JD Donator

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    Accuspell, when you go state side, do you ever bring back any of the more obscure brands of .20 pellets ?
     
  16. Accuspell

    Accuspell Pro Poster

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    EXCUSE ME? How did this get past old eagle eye 177? Equal weight HAS TO BE EQUAL VELOCITY to give the same power. In your statement above, the faster pellet will be carrying MORE power regardless of it's diameter.

    It isn't as simple as pellet weight and calibre though, there is a complex mix of forces at play to make the ballistic performance of an airgun pellet. The 20 calibre just happens to have the best set of trade offs, so it is the logical choice FOR IN THE FIELD.
     
  17. catman938

    catman938 Engaging Member

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    had a hw80 some years ago in .20, best calibre I have ever shot sub 12ftlb. want a .20 for my super 6 but brocock have no plans on doing one.
    been thinking of trading my super 6 for a precharged .20.
     
  18. walker

    walker Busy Member

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    it always gets crazy on here when someone mentions .20
    if .20 cal was a women, it would be beautiful;)
     
  19. Accuspell

    Accuspell Pro Poster

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    Absolutely NOT - because I can get all I need here in Good Old Blighty! You don't NEED anything other than FTT, JSB Exact or Crossman Premier. If you want to stray a little on the wild side, then the Bisley Superfields are very good - but like anything, it is down to which suits your barrel the best. Either FTT or Exacts will suit 90% of barrels - the other 10% are probably going to be the ones that fall into the hands of the doubters and prove the point that the 20 calibre is rubbish!
     
  20. Meteor62

    Meteor62 Major Poster

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    It's because it's different. Just like lady boys, some men get turned on by them too lol
     

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