300 Ultra

Discussion in 'Reloading' started by jdbfair, Jan 3, 2009.

  1. jdbfair

    jdbfair New Member

    Jan 4, 2006
    Been having trouble getting a 1917 enfield rechambered to 300 ultra to shoot well. Tried a
    Sims barrel desonator on it yesterday, results were terrible. Groups went from 1" to 2" w/o
    to 4-6" with it. Tried it near the stock & out to near muzzle. Anyone seen this before?