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Thread: Blackpower .303 eh?

  1. #21
    Boolit Buddy Razor's Avatar
    Join Date
    Aug 2007
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    Puget Sound, WA
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    307
    Wooo-hoo !!
    What a kick-in-the-pants....!!
    Loaded 5 rds w/55gr FFg in my 4Mk1...under a 314299gc..
    Of course, I never got on the paper (8.5x11) at 60 yds..
    but..WTH.. t'was FUN...
    Nice big satisfyin' KABOOM...
    LOTSA smoke !!
    big ole gentle push on the recoil..
    Downright FUN...
    Thanks for the idea and for eggin' me on...

    Razor

    And FLAME...nice muzzle flash...way COOOL..
    Last edited by Razor; 02-03-2008 at 06:14 PM. Reason: add text

  2. #22
    Boolit Mold
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    Jun 2008
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    Chilliwack,BC
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    noob question. New to loading BP in brass.Got a P14 , new mold and a can of Goex 3f. Was told to load powder to the neck and insert boolit . Does that sound right? What are gas checks and their use? Do I need to use?
    TIA
    google

  3. #23
    Boolit Master

    Join Date
    Dec 2005
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    Central Massachusetts, U.S.A.
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    Quote Originally Posted by martinibelgian View Post
    40??? That's downright puny! just fill the case, compress the powder , add a wad, seat the bullet and let fly! You should get at least 60 in there! And even more, if you can!
    Yep!
    I did that many years ago with the .303.
    A case full to the top of fffg and compressed with a jacketed bullet.
    Shot them in a #5 (carbine) with a lot of noise and recoil.
    The pressures must have been pretty high as there was very little fouling.
    As I recall, the groups were about the same size and location at 100 yards as the military ball ammo.
    I've not been inclined to repeat the experiment with a carbine, but a SMLE might be fun.

    Jack

  4. #24
    Boolit Master Ricochet's Avatar
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    Mar 2005
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    Bristol, Tennessee, USA
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    4,897

    Smile

    It's worth remembering that the original load for the 3 line Mosin Nagant used a 208 grain bullet over a charge of black powder. Smokeless powder was introduced along with the 147 grain spitzer bullet in 1908.
    "A cheerful heart is good medicine."

  5. #25
    Boolit Grand Master

    Join Date
    Mar 2005
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    Bloomfield, Nebraska
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    The original 303 load was B/P and was a pellet inserted in the case and then the case was necked to size and the bullet seated. This gave in the vicinity of 1900 fps with a 215 grain bullet and with the origiinal rifling the accuracy wasn't too bad. Moden rifling is a different story and i never did get any decent groups with B/P. If I were to try it again I would opt for FFG schutzen and lube with SPG or the like and use a gas check.

  6. #26
    Super Moderator




    Buckshot's Avatar
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    Quote Originally Posted by google View Post
    noob question. New to loading BP in brass.Got a P14 , new mold and a can of Goex 3f. Was told to load powder to the neck and insert boolit . Does that sound right? What are gas checks and their use? Do I need to use?
    TIA
    google
    ...............Hey google, welcome to the board! You need to load your BP charge so there isn't any significant 'air space'. Fill the case to the mouth, then hold the case against the lid screw of your vibratory tumbler to settle the powder. Add more powder, or a grease cookie, or some carwads or if the level is such, seat the boolit.

    A GC is a small copper, brass or aluminum cup that protects the base of the boolit from powder grain impact deformation, and or high pressure gas. Since the GC IS a shallow cup, the short sides can also help seal the barrel to preclude gas cutting. You can consider a jacketed bullet as being a cast lead slug with a Full Length Gas Check, or FLGC

    As to if you need them in the pervue of this thread (using BP) I have no idea. I do know that with smokless as boolit designed for a GC generally does better with one then without.

    .............Buckshot
    Father Grand Caster watches over you my brother. Go now and pour yourself a hot one. May the Sacred Silver Stream be with you always

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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