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Thread: .40cal Underhammer

  1. #1
    Boolit Mold
    Join Date
    Apr 2014
    Location
    Finland
    Posts
    5

    .40cal Underhammer

    Hello to all,
    I built during the winter underhammer rifle.It is a .40 cal and the barrel is 1-16 twist 32in Green Mountain,action is Allan Foundry.
    I use 50 grain Swiss fffg,this load rifle is very accurate. 5 shot groups shot 109 yard distance.
    Sorry my bad English.

  2. #2
    Moderator Emeritus JeffinNZ's Avatar
    Join Date
    Sep 2005
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    Christchurch, New Zealand
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    5,816
    Sweet!!!!
    Thermal underwear style guru.
    "Exclusive international distributor of Jeff Brown Hunt Club clothing."
    Supplier to the rich(?) and infamous.

    Cheers from New Zealand

    Jeff.

  3. #3
    Boolit Grand Master Nobade's Avatar
    Join Date
    May 2005
    Location
    SE WV
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    6,304
    Great rifle! And welcome to Cast Boolits. I am sure we all look forward to hearing more from you, I know I do.

    -Nobade

  4. #4
    Boolit Master Dan Cash's Avatar
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    Jun 2008
    Location
    Western North Dakota
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    3,331
    .40, Welcome to the forum. Your English far surpasses my Finnish. I like your rifle which is a fine shooter. What kind of shooting opportunities do you have in Finland? Is firearms ownership and shooting strongly controlled by the government?

  5. #5
    Boolit Grand Master pietro's Avatar
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    Mar 2008
    Location
    New England
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    .

    WELCOME TO THE FORUM ! !

    Bad English - Who cares ?

    Great rifle build - EVERYONE cares ! !

    We LIKE it ! ! !

    Do you intend to hunt game with it ?


    .

  6. #6
    Boolit Mold
    Join Date
    Apr 2014
    Location
    Finland
    Posts
    5
    Thank you you all,
    Shooting ranges in Finland is fairly well, weapons owning is subject to license,also a powerful air guns are going to be subject to licensing.
    I'm thinking about trying hunting,maybe a deer if the power is enough,law provides for power at 100 meters 2500J for deer sized animals.

  7. #7
    Boolit Grand Master
    Join Date
    May 2007
    Posts
    5,311
    What a beauty! You did a wonderful job on your winter project. Welcome aboard and looking forward to hearing more from you. Your English is just fine.

  8. #8
    Boolit Master

    Reg's Avatar
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    Sep 2009
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    Gateway to the Rockies
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    Wow !!! Does that one ever shoot !!
    Facta non verba

  9. #9
    Perm-Banned
    Join Date
    Jul 2012
    Location
    extreem northwest ne.
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    3,426
    you know how to build a fine rifle, correct in every way. thankyou for the post. we do have another connection, my father was a saami.

  10. #10
    Boolit Grand Master

    Wayne Smith's Avatar
    Join Date
    Mar 2005
    Location
    Hampton Roads, Virginia
    Posts
    13,677
    Congratulations on both your rifle and your English. And, yes, we do (mostly) understand metric here. 109 yds ~ 100m.

    How much does your boolit weigh? The only problem hunting with it is that sharp point. Cast it very soft and that isn't even a big problem.
    Wayne the Shrink

    There is no 'right' that requires me to work for you or you to work for me!

  11. #11
    Boolit Mold
    Join Date
    Apr 2014
    Location
    Finland
    Posts
    5
    Tapered bullet weighs 395 grain and the other 400 grain,I cast bullets always pure lead.

  12. #12
    In Remembrance
    Join Date
    Oct 2010
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    fairbanks
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    Very nice, I shoot left handed, and for thet reason, I always thought the under hammers were cool.

  13. #13
    Boolit Master

    Join Date
    Feb 2007
    Location
    Lewiston, Idaho
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    2,747
    Nice build. You English was understandable which is all that counts.

  14. #14
    Boolit Bub
    Join Date
    Jul 2007
    Location
    San Diego
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    68
    What an elegant rifle. You have real talent.

  15. #15
    In Remembrance
    Join Date
    Oct 2010
    Location
    fairbanks
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    9,015
    English is fine, but the picture of rifle and picture of the target is universal language even a martian would understand.

  16. #16
    Boolit Buddy
    Join Date
    May 2011
    Posts
    421
    can you take a closer picture of the underhammer/primer system? is it a sealed ignition? cap or primer fired?
    beautiful btw

  17. #17
    Boolit Master
    Join Date
    Jul 2009
    Location
    Tennessee
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    2,794
    Beautiful , I too would like more picures and detail on priming and load. Your english is fine , as is your shooting and craftsmanship! Did you use the cartrige rifle barrel from Green Mountain? what bore. I shoot a 40-70 sharps and have a bullet that is close too yours , RCBS 350Gr. Been wanting a underhammer , I think yours has influenced my decision!

  18. #18
    Boolit Master
    Join Date
    Apr 2008
    Location
    Monticello, KY
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    Could we get a better close up pics of the action, several different angles?

  19. #19
    Boolit Mold
    Join Date
    Apr 2014
    Location
    Finland
    Posts
    5
    Primer which I use is rws 1075,barrel is a heavy profile Winchester 40-65,bore is .400 and groove .408.
    Bullets are calibrated 401 size,loading is easy that size bullet,I did not use wad just a bullet and Powder.
    Primer nipple area is a little dirty,picture was taken after the shooting.
    http://www.gmriflebarrel.com/winches...ile-3-5-40-65/
    http://www.thegunworks.com/custprodg...Cat2Option=yes

  20. #20
    Boolit Man dave524's Avatar
    Join Date
    Dec 2013
    Location
    Niagara Region, Ontario , Canada
    Posts
    79
    Those are the best groups I've seen without the use of overpowder wads, paper patching or false muzzles , very nice. The rifle is also attractive, reminds me of a high wall Winchester a bit in profile, classic look.

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check