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Thread: .30cal HW80 Barrel @ Kempton

  1. #31
    Join Date
    Apr 2009
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    Rickmansworth
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    Quote Originally Posted by Josie & John View Post
    Sorry to be the bearer of bad news but the .30 cal barrel seen at Kempton sold at the show - the seller has just confirmed this to me.

    John
    Thanks John for letting me know. The quest continues...
    'Windage & Elevation, Miss. Langdon - Windage & Elevation!'

  2. #32
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    Quote Originally Posted by Binners View Post
    Others may turn up in June ��
    I’m gutted as I wanted to go but I’m away in June. It’ll have to be the next one
    'Windage & Elevation, Miss. Langdon - Windage & Elevation!'

  3. #33
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    Quote Originally Posted by Shed tuner View Post
    I have to say 80s shoot really nice in .25, so I've no reason to suspect a 90 won't too.. I guess the larger cylinder dia (30mm) works well with the larger cal - lower back pressure to reduce piston bounce, and plenty of volume to keep the pressure up....
    Great info thanks mr b
    'Windage & Elevation, Miss. Langdon - Windage & Elevation!'

  4. #34
    Join Date
    May 2011
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    Saxmundham
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    The JSB pellets are to big for Harper polygroove brass .30 barrels which are closer to .295".I know of the whereabouts of a few tins of the correct ammo. I heard of a Harper .30" Sharp Innova conversion. Bet that went well

  5. #35
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    Apr 2012
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    Christchurch
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    Polymag 44.75 grn .30 calibre pellets on that forbidden bay zone. Think I will make up a .30 barrel conversion for a BSA Spitfire for fun, will probably see the pellet travelling at only 340 fps.

    Baz
    Last edited by Benelli B76; 18-04-2019 at 11:06 AM.
    BE AN INDEPENDENT THINKER, DON'T FOLLOW THE CROWD

  6. #36
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    Mar 2012
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    Christchurch
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    Quote Originally Posted by Benelli B76 View Post
    Polymag 44.75 grn .30 calibre pellets on that forbidden bay zone. Think I will make up a .30 barrel conversion for a BSA Spitfire for fun, will probably see the pellet travelling at only 340 fps.

    Baz
    That will be fun Baz, let me know if do and I'll come over for a shoot!

  7. #37
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    Apr 2009
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    Quote Originally Posted by greenwayjames View Post
    The JSB pellets are to big for Harper polygroove brass .30 barrels which are closer to .295".I know of the whereabouts of a few tins of the correct ammo. I heard of a Harper .30" Sharp Innova conversion. Bet that went well
    I saw one for sale recently and was snapped up pretty quickly!
    'Windage & Elevation, Miss. Langdon - Windage & Elevation!'

  8. #38
    Join Date
    Apr 2009
    Location
    Rickmansworth
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    Quote Originally Posted by Benelli B76 View Post
    Polymag 44.75 grn .30 calibre pellets on that forbidden bay zone. Think I will make up a .30 barrel conversion for a BSA Spitfire for fun, will probably see the pellet travelling at only 340 fps.

    Baz
    There’s an idea. Maybe I should give Bowkett a call...
    'Windage & Elevation, Miss. Langdon - Windage & Elevation!'

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