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Reloading question for .416 Rigby

MballisticMballistic Member Posts: 101 ✭✭
edited August 2003 in Ask the Experts
I have been reloading for 40 years and never had this problem before. The loading data for 350 gr. bullets for the .416 Rigby is scarce. Would it be safe to use 400 gr. powder data and just substitute for 350 gr.? The manuals say to fill the case to at least 90% capacity so I really don't want to use reduced loads.
Theoretically this would be OK: common sense tells me maybe not. Thanks for any advise or published loading data.
Jeff

Comments

  • MIKE WISKEYMIKE WISKEY Member Posts: 9,242 ✭✭✭
    edited November -1
    DEPENDS ON THE POWDER YOU ARE USING, SLOWER POWDERS NO(IMR7828, 4350, ECT.) MEDIUM TO FASTER POWDERS OK (4198, 3031, ECT.). THEN USE THIS AS A STARTING LOAD.
  • MballisticMballistic Member Posts: 101 ✭✭
    edited November -1
    I have been using H4831SC. Have good results with 400 grain bullets. Load I am using is 104 grs. of powder. I have plenty of H4831SC so I would prefer to use that.
  • nononsensenononsense Member, Moderator Posts: 10,518 ******
    edited November -1
    From Hornady's site:

    BULLET POWDER GR VEL CUP

    416 RIGBY MAX CASE LENGTH: 2.90"
    BBL: 24" TRIM TO LENGTH: 2.895"

    350 GR. 416 RIGBY
    H4350 102.0 2518

    400 GR. 416 RIGBY
    H1000 110.0 2409
    H4831 or SC 106.0 2422
    H450 103.0 2404
    H4350 100.0 2414

    From Alliant Powder:

    Recipe(s) for...
    .416 Rigby (start over with Centerfire)
    Barnes 350X
    1 Matching Recipes
    Case Minimum OAL(inches) Bbl Length Primer Powder Charge Weight(grains) Velocity(fps) Pressure(psi) Print
    Fed. 3.675/ 24.0/ Fed. 215/ Reloder 22/ 101.0/ 2,455/ c.u.p.40,300/ Print this recipe

    From Accurate Reloading.com

    416 RIGBY

    The following data was developed in a Dakota 76 rifle with a 24-inch barrel. We installed a Leupold 3-9X scope in Leupold rings and Dakota bases. All groups are 3 shots at 100 yards, and we used Norma brass and the Federal 215 primers.

    POWDER
    VELOCITY
    GROUP
    BULLET


    93.0 H 4350
    2268
    2.649
    HORNADY 400 SP

    95.0
    2346
    2.698

    97.0
    2413
    1.142

    99.0
    2459
    1.875

    101.0
    2510
    1.084

    103.0
    2543
    1.756

    105.0
    2593
    1.721

    TROPHY BONDED 335 BEAR CLAW

    100.0 H 4831
    2310


    102.0
    2377
    1.691

    104.0
    2471
    2.266

    106.0
    2526
    0.980

    108.0
    2585
    1.236

    110.0
    2612
    1.347

    112.0
    2686
    1.016

    114.0
    2702
    1.742

    116.0
    2725
    1.689

    1.421

    Back to Main Page | Reloading Pages | FAQS | Hunting
    Last updated 10 August 1999
    ****************************************************

    You might want to try this link for North Fork Bullets. He is a very knowledgeable shooter and obviously, reloader. He has photos of recovered bullets with velocity ranges.

    http://www.northforkbullets.com/416-370.htm
  • MballisticMballistic Member Posts: 101 ✭✭
    edited November -1
    Thanks guys for the info. Much appreciated.
    Jeff
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