Calvin45
Well-Known Member
@Fiftydriver did you not at one point earlier in your career experiment with a full length .30-408 cheytac? Or is my memory fuzzy on that?
What is the most overbore cartridge YOU HAVE USED?
- Thread starter Calvin45
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300 Tejas. 102 grains of Retumbo. 168 grain Bergers. Sub .5 MOA 3600FPS
TonyRumore
Well-Known Member
6-6.5 Weatherby RPM
Even more overbore than the 243 Catbird (6-270imp) and the 6-284.
Tony
Even more overbore than the 243 Catbird (6-270imp) and the 6-284.
Tony
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Calvin45
Well-Known Member
I've actually been curious about this one!
Tell us more! Build specs, barrel length and twist, bullets and powders used and performance realized!!!!
TonyRumore
Well-Known Member
I tried all the suitable powders (I have 197 different powders on hand) and VV 24N41 was hands down the best. 115gr Berger at 3400fps. I actually pushed it to 3600fps, but that was over pressure. 26.5" 1:7 twist Krieger. Brass life has been surprisingly good despite my work-up loads being quite robust by anyone's standards.
Tony
Calvin45
Well-Known Member
197….dear Lord….i didn't know there were that many
TonyRumore
Well-Known Member
That includes the Norma and Vectan lineup as well as a bunch that have been discontinued over years.
Mike Matteson
Well-Known Member
A great manny years ago, my friend loading for a Ruger #1 300WM with 165gr noslers was getting 3400fps out of it and very accurate too. I don't have the reloading data on it. He has pass several years ago, I kind of kick myself in the bu** for not getting the info from him, and saving it. I was the Ginny pig that shot his rifle to determine just how accurate the loads were. Sure was hell on my shoulder, but fun at the same time. 
TonyRumore
Well-Known Member
A great manny years ago, my friend loading for a Ruger #1 300WM with 165gr noslers was getting 3400fps out of it and very accurate too. I don't have the reloading data on it. He has pass several years ago, I kind of kick myself in the bu** for not getting the info from him, and saving it. I was the Ginny pig that shot his rifle to determine just how accurate the loads were. Sure was hell on my shoulder, but fun at the same time.
Holy smokes......I'll bet that load was a bit over 65k psi. It would be pretty tough to blow up a Ruger #1 though.
I shoot my factory chambered 450 Nitro Express Ruger #1 with 300's running 3050fps, and 500's a bit over 2400fps. At 7.5 pounds, it will knock you into next week.
Tony
Mike Matteson
Well-Known Member
Flatten primer only. That it did on the recoil.
