28 Nosler?

Discussion in 'Reloading' started by MTGunner, May 16, 2015.

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  1. MTGunner

    MTGunner Well-Known Member

    Sep 24, 2004
    Does anyone have measurements or specifics in regard to this new offering by Nosler? Is this a new proprietary cartridge or what is the parent case? MTG
  2. jfseaman

    jfseaman Well-Known Member

    Apr 8, 2012
    From my conversations with Nosler (via e-mail) and the SAMMI specs.

    The 28-Nosler is the same cartridge dimensions as a 26-Nosler except for diameter and neck length. The neck length change is only as a function of the larger bore.

    The 284/26-Nosler "wildcat" is the same.

    The parent case is the RUM/404 Jeffery's or if you like the parent case is the 26-Nosler and the parent of the 26-Nosler is the RUM/404 Jeffery's.

    My work on this shows good accuracy but it seems my test barrel is "slow". Others are achieving faster speeds. I still have data to publish and some re-testing after using Tubb's Final Finish on my barrel.

    The test mule is a Reminton 700 with a rechambered 7mm Win Mag "Sendero Special". I am waiting on a new Proof Research 7mm/284 barrel to build a new 28-Nosler on a Weatherby Mark V.