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    220 Swift Data

    This data may be of interest for 220Swift users. I keep a record of case failures relating to Winchester and Norma brass which I load with the results as described below Winchester Brass average shots/failure : 3.2 Norma brass average shots/failure : 12.5 In order to know the case...
  2. A

    220 Swift Data

    Correction to my insertion : Alliant 2000-MR used with the Nosler 55gn SPBT produced a 5 shot group of 38mm @ 100m I use a custom built shooting table and a Calder Fire Control Full-Length rest. I have owned this rifle for over 40years. Should have stated : Alliant 2000-MR used with the Sierra...
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    220 Swift Data

    Have you tried the Alliant Power Pro 2000-MR powder? I use Nosler 55gn Ballistic tip projectiles with 41gns of Alliant 2000-MR powder and Remington 91/2 primers . This resulted in a 5 shot group of 10mm @ 100m. My rifle is a Ruger M77V with a SS 28" barrel with a 1:12 twist. There are no signs...
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