22-243 Middlestead

Discussion in 'Rifles, Bullets, Barrels & Ballistics' started by Sam In Va, Nov 4, 2004.

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  1. Sam In Va

    Sam In Va Well-Known Member

    Dec 14, 2002
    I'm thinking of having my 8 twist 22-250 rechambered to 22-243 Middlestead. Do any of you guys have any exp. with this round? I think RCBS makes dies(a little pricey) any other manufacturers? Redding with a soft sleeve for reaming? Thanks, Sam in Va.
  2. Varmint Hunter

    Varmint Hunter Well-Known Member

    Dec 26, 2001
    Mine is the Ackley version with a 40deg shoulder.

    Probably James in Tenn was right. The 22-243 (plain) can do almost anything the Middlestead or AI can do, and can do it with a lot less trouble. No case forming and dies are easier to get.

    I do get great accuracy and good brass life with my 22-243AI but the fireforming can be a down side, particularely with a cartridge that will consume throats pretty easily.

    I have an 8" twist but only shoot the 75gr A-Max (moly) bullet. The 9" would have worked well for that bullet and may have been a bit faster too.

    This cartridge is a nightmare for Pa groundhogs. [​IMG]