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  1. jfseaman

    Percentage of powder burned and accuracy

    Could not find in search. To many other subjects. QuickLOAD brings up this question. My 260 and 300WSM are very nice at their current loads. Low ES/SD and it's all up to me. My ES/SD in the 260 is higher than the 300WSM but still wicked accurate (of course an artifact of the 260's inherent...
  2. jfseaman

    Gonna build a 338 - 338 Edge or 338 RUM

    Action: Weatherby Mark V Deluxe, 9 lug. German from the 60s. Stock: Bell & Carlson Tactical Medalist Barrel: 30" Bartlein Trigger: Stock (it's pretty good) or Timney (I have 3 others) Bottom Metal: LRP with Wyatt magz. Scope: Sightron SIII 10-50x60 LRTD Why would I do this. First of all I...
  3. jfseaman

    Thanks to everyone who has shared their process

    I'm quite new to reloading but a fast learner on a new subject. I'd like to thank everyone who has shared a problem or solution suggestions. I learned a great deal. Of course there is more to learn but... I just had a most fun success. Rifle: Weatherby Vanguard in 300 WSM Pac-Nor 3L 10 twist...
  4. jfseaman

    Does bullet weight variance .1gn affect accuracy

    As I understand any variance affects POI but how many 10ths before the load the is no longer on an 'accuracy node' for a rifle+cartridge+powder+bullet+primer combination? Example: projectile weight nominally 140grns. The lot of projectiles contains a spread of .6 over 400 projectiles. if I made...