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superdude

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    Brad Miller

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  1. First, we need details. Which RMR FMJ bullet? 115 grain? 124 grain? 147 grain? Also, when testing, shoot off a bench at ~25 yards and at a paper target. Shooting off a bench will help to reduce error that YOU might contribute to accuracy. 25 yards is a good distance for most handgun accuracy tests. Shooting paper might help identify if the bullets are doing something crazy like tumbling.
  2. That depends on your gun's chamber and the specific bullet you use. You'll have to test it to see what fits. We can't do it for you.
  3. Is compression with WST bad? Many powders are fine with compression.
  4. That's nice but Eley is not using that bullet in the product you mention. Different bullet, different results.
  5. Thanks. Sounds like the Loadbook manual series.
  6. 4n2t0, what book is that WST data from? Thanks.
  7. With respect to seating the bullet straight, it might be important for a bullseye gun, but it didn't appear to have any effect with the gun used in this article: https://americanhandgunner.com/gear/exclusive-crooked-seated-bullets-and-accuracy/
  8. 124 MG round nose? hollow point? thats' part of the details, too.
  9. Some details might help. What bullet are you using? Load data?
  10. Consistency is good but it doesn't always predict what will be more accurate. It generally comes down to particular bullet and powder combinations. When put to the test, there was no positive correlation between velocity standard deviation and group size in a typical handgun at typical handgun distances, i.e. smaller standard deviations did not mean smaller groups. https://americanhandgunner.com/handguns/exclusive-consistent-velocity-accuracy/ It might be important with highly tuned match guns.
  11. Generally speaking, flat nose bullets tend to produce better accuracy than round nose bullets in our handguns. But, it depends on the bullet and the powder combo, so we can't generalize too much. In the end, individual loads have to be tested to see what the gun likes. A flat nose versus round nose accuracy comparison can be found at the link below. https://www.ssusa.org/articles/2019/1/18/38-different-9mm-loads
  12. For the record, it's not pressure. Pressure in our sport refers to the internal chamber pressure of the burning powder as it converts to gas. Pressure pushes the bullet down the barrel. What you're describing is recoil force - that's what pushes the slide to the rear. The distinction is important because you can use a different gunpowder that produces less pressure while at the same time produces more recoil force, even when pushing the same bullet to the same velocity.
  13. The proper dies are 38 Auto / 38 Super Auto. What caliber is your 'extra' sizing die? The 38 is a straight walled cased, 9mm is a tapered case and with different dimensions, so a 9mm sizing die is not a good match.
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