.303 British Cartridge - Load Data


Sources of Load Data

  • Sierra 50th Anniversary Reloading Manual.

    Additional Enfield and British Firearms Resources

  • Enfield Research Page

    Test Equipment

    Firearm used for testing is a new Enfield No4Mk2 manufactured in 1955.
    A Pact Model 1 Chronograph was used to collect the data.
    Dies manufactured by RCBS.

    Load Data Tables

    These tables are still under construction.

    .303 British Load Data by Powder Type-Bullet Type
    IMR 4320-Sierra 174gr BTHP IMR 3031-Sierra 174gr BTHP AA 2520-Sierra 174gr BTHP
    IMR 4064-Sierra 174gr BTHP IMR 4895-Sierra 174gr BTHP AA 8700-Sierra 174gr BTHP
    IMR 4320-Sierra 150gr Spitzer Unique-205gr RNGC XMP 5744-205gr RNGC

    .303 British Surplus and Commercial Information
    Mk VII Surplus (Pakistan) Belmont (Canada) HXP 86 (Greek)
    S&B (Czech) Winchester Softpoint Winchester Surplus
    RG 50 (Radway Green) GB 49 (Greenwood & Batley) DAC^ 44 (Dominion Canada)
    WRA 44 (Winchester) Egyptian(?) Portuguese - FNM(new)


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