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Thread: .303 British cast bullet accuracy?

  1. #1
    Boolit Master
    Join Date
    Mar 2010

    .303 British cast bullet accuracy?

    Just wondering what kind of 100yd. groups could be expected with a sporting rifle of 7-71/2 lbs. with cast bullets that are the proper fit of throat/bore & velocity not important..only for pure accuracy? Thanks!

  2. #2
    Boolit Buddy
    Join Date
    Jan 2010
    Northeast US
    I have no problem shooting 10s and Xs on a NRA SR1 target with a NOE 314198 cast GC bullet at 100 yards light loaded with 13.0 grains of LongShot. I have the same results with a like new No4 MK2 and Pattern 1914 using Parker Hale Rear Match sights. A lot will depend on the condition of the rifle barrel.

  3. #3
    Boolit Buddy JMax's Avatar
    Join Date
    Sep 2007
    My Long Branch No4 MK1 Bomber groups 10 rounds into 2 to 2 1/2" at 100 yards using an NOE 314 202 sized to 314 with a gas check on top of 12.1 gr of Unique. It has a 5 land and groove barrel.

    Click image for larger version. 

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  4. #4
    Boolit Master 303Guy's Avatar
    Join Date
    Oct 2008
    New Zealand
    I once shot a very impressive group with a five-groove No4 barrelled MLE - 1.15 MOA, seven shots. Not 100yds though. The boolit was a smooth side tapered 220 gr with gas check over 35.5 gr of Varget. They were lubed by dipping the boolit noses in molten waxy-lube after seating. I should try that rifle with cast again. It was always an accurate rifle with 1.25 MOA ten shot groups all day long.
    Rest In Peace My Son (01/06/1986 - 14/01/2014)

    ''Assume everything that moves is a human before identifying as otherwise''

  5. #5
    Boolit Mold
    Join Date
    Feb 2013
    11gns Unique ,Lee .312 185gn pill, Alox lube, GC Group 1.25”V x 2”H.Heavy BRL Target
    SMLE. No 1 Mk 3.

    Cheers Hahndorf 1874.

  6. #6
    Boolit Master RU shooter's Avatar
    Join Date
    Nov 2006
    SW Pa.
    Honestly with a good cast bullet that fits well assuming the bore and crown are in good shape it should shoot as well or slightly better than what it does with a jacketed bullet at that range .
    If you find yourself in a fair fight, your tactics suck!

  7. #7
    Boolit Buddy Bad Ass Wallace's Avatar
    Join Date
    May 2005
    My 303 Rifle is a Winchester P14 fitted with a Parker Hale 5B range sight. Loaded with a 192gn boolit sized to 0.314" and 26.5gns 3031 produced this 100yd group!

    Hold Still Varmint; while I plugs Yer!

  8. #8
    Boolit Buddy
    leebuilder's Avatar
    Join Date
    Dec 2014
    Nova Scotia
    Work in progress.
    Seriously proper fit and a good barrel you should get good groups. I get 2moa and on a good day and every once and a while you get ragged little holes, but all the gun powder gods are with you and guiding every boolit to paper. Each 303 is a bit different.
    Be well
    When you read the fine print you get an education
    when you ignore the fine print you get experience

  9. #9
    Boolit Master Jack Stanley's Avatar
    Join Date
    Mar 2006
    South of the north pole in the land of the falling waters
    Now that is one very good group !!

    Buy it cheap and stack it deep , you may need it !

    Black Rifles Matter

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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