Reeder Custom Guns - Yes .414 would be a unperceivable taper

WB
Yes .414 would be a unperceivable taper
Tuesday, September 20, 2022, 07:39

to a .400" bullet. The .30-30 gets thicker a bit as it gets shorter. Of course inside neck reaming will fix about anything. But your "easy" goes away.

I discussed the .400 GNR chamber dimensions after he built it for Gary and there were some machining and extraction limitations that went into the final design. A literal "straight wall" chamber can cause problems so most designers have at least a couple thousandths taper. The .30-30 is only so big at the rear web so that is one limit, then at the other end you have a .400" bullet plus the case wall thickness X 2 sides for the required chamber mouth. Then the lead into the rifling. There is more to it than what most think. That is why it cost so much in money and TIME. You have to have roughers and finishers not to mention dies.

I'll get back to tinkering and see what a .30-30 cut off at 1.75" looks like. The .400 GNR should shoot it and you can even load it with 10mm or .40 S&W dies, if you are good.

We need a 40 GNR - Keith, 2022-09-18, 01:05
- 400 GNR in an encore, cut case to 1.8" then load, no problem (nm) - Sean Harper, 2022-09-19, 09:40
  - You would have to work up new loads but I am - Sean Harper, 2022-09-19, 09:50
    - The Starline .38-55 Win. brass, if you can find them - WB, 2022-09-19, 11:07
- .40-50 Sharps Straight is 1.875 inches - Pacecars, 2022-09-19, 02:57
- Something larger than .30-30 would be better - WB, 2022-09-18, 06:13
  - The 30-30/375 Win case is the point - Keith, 2022-09-19, 10:02
    - Yes .414 would be a unperceivable taper - WB, 2022-09-20, 07:39
      - I started to get into this "conversation" but - Gary Reeder, 2022-09-20, 13:33
        True. As much as I love the odd .400 there - WB, 2022-09-21, 14:23
        I've the same feelings about the 454 - AmBraCol, 2022-09-24, 15:16
        I don't think the goal is to get 454 performance - Keith, 2022-09-20, 14:20
- Or you could use the 460S&W case - Blake, 2022-09-18, 04:09
  - No problem. All it takes is 12 to 14 months and $2000 - Gary Reeder, 2022-09-18, 14:42
    - The simplest and cheapest way to go is the 445 Super Mag. - Gary Reeder, 2022-09-18, 14:53
      - 30-30 more common 445, 375 Win close enough to 454 brass (nm) - Keith, 2022-09-19, 10:08
      - The whole spirit of these laws are to open - WB, 2022-09-19, 06:34