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jim vaughan

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About jim vaughan

  • Rank
    Looks for Match
  • Birthday 05/07/1950

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    jim@southernmapping.com

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  • Gender
    Male
  • Interests
    IPSC
  • Real Name
    Jim Vaughan

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423 profile views
  1. I found a great load using 160 grain coated bullets using a relatively slow powder, 6.5 grains of Somchem S221. Admittedly I use a 9x23 case and a long overall length of 31.7mm.
  2. Just make an angled shelf and silver solder it to the slide stop. I have been using these for the past 30+ years with no problems. Just make sure that downwards pressure keeps the slide stop down at the back and not going into slide lock. Also grind clearance for weak hand shooting.
  3. shooter squatting inside a mine bucket accelerating downhill on a rail line suspended in a parachute harness and swung forwards and backwards whilst engaging targets standing in the back of a truck whilst being driven from the front of the range to the rear field stage performed whilst remaining inside a golf cart. fixed time mover stage where the target is visible for 3-4 seconds per run (left to right and immediately return) and there is no limit to the number of hits (fun stage) 6 buildings on one range at the 1977 world shoot stage with multiple cars where the targets are all over the place and the optimum path often involves going over the cars Proper long jungle lanes in granite koppies or vertical banked river beds Diabolical speed shoots such as two double swingers, each in a Y shape frame, through the same aperture using mini targets Any new stage where the designer has come up with some challenge that is totally different to the norm
  4. 1.5 lb for my open 2011 using a 19lb mainspring. This gives a much better feel than the lighter pulls using 15 or 17lb mainsprings.
  5. 1.5 lb for my open 2011 using a 19lb mainspring. This gives a much better feel than the lighter pulls using 15 or 17lb mainsprings.
  6. Ever had galling when sizing a cast or coated bullet? The force required just gets higher and higher even when using a strong single stage press. Try taking approx 500 bullets in a container and put a short spray of Dillons' case lube across them. Shake well and then size them all with almost no effort. Bullets that are 5 thou oversize (or more) also cause no headaches. Jim
  7. It depends on what cartridge you are using. I run 9x23 with gen1 STI magazines and it seems to be the only combination that is perfect for my IPSC use. I don't need baseplates as I am restricted to 170mm magazine length. Grams springs and followers resulted in nose dives on all of my magazines. The cheap standard STI follower which raises the bullet nose and has no gap to the second round is perfect for me.
  8. Why can't a gunsmith machine a spacer ring that is 3.70mm long and sweat it into the forward part of the chamber? No new barrel, comp or fitting. I would just recut the lead into the new spacer. One of our club members ran 9mm in a Caspian 38 super for years and had no problems. His spacer was made out of brass. Even if there was a failure of the spacer at some point in the future, the 9mm would still fire until a new spacer was inserted.
  9. Find out how much lead is in your barrel (not lead as in bullet material). Has the initial rifling been removed for say 4-5mm? This is standard practice to reduce pressure signs in open handguns.
  10. Coat the plastic grip with Carbide and use it. Often a steel grip is not the best item for improved performance due to the excessive weight.
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