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  • Wm Cook's Avatar
    Yesterday, 11:34 PM
    FastLeo, here's an article Beagle wrote on the Hornet. It pretty much covers what works and what doesn't. It was a big help to me. You can find Beagle's article here. His work was with a 14 twist Ruger 77/22. Twist rate and how fast...
    21 replies | 657 view(s)
  • Wm Cook's Avatar
    05-20-2021, 09:59 PM
    Here's a list of the Sg using various twist and velocities for the NOE 255-72, NOE 255-61 and for the Sierra 52 grain MatchKing. The 9 twist will work fine for me. Thanks for the help. I still have to sort out the CBTO between the 52 Sierra and...
    20 replies | 685 view(s)
  • Wm Cook's Avatar
    05-20-2021, 07:38 PM
    Larry, thanks for the direction on this. Numbers are coming together and evaluations are in process. The day you donít learn something is the day after you die. I appreciated the help you gave me. Bill.
    20 replies | 685 view(s)
  • Wm Cook's Avatar
    05-19-2021, 05:48 PM
    You might be right Robert but Sierra believes there's no issue with an 8 twist and their 52 grain Matchking in an 8 twist barrel unless you're running hyper speeds. At 4,000 fps a bullet would be turning 360,000 rpm and my guess is that a light...
    20 replies | 685 view(s)
  • Wm Cook's Avatar
    05-19-2021, 02:15 PM
    Larry if you would take a shot at poking holes in the following I would appreciate the feedback. I think I understand twist rate a little better. At least on the heavy/length end of the spectrum. The feedback I got from barrel and bullet makers...
    20 replies | 685 view(s)
  • Wm Cook's Avatar
    05-17-2021, 11:18 PM
    Tradition is 1 in 12 or maybe 14 for a caliber like the 222. But if you're running 52 grain jacketed @ 3,200 fps, or 70 grain cast at 1,700 fps are there pro and cons to a faster twist with either bullet. Like maybe the fact that casting 22's...
    20 replies | 685 view(s)
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About Wm Cook

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70

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Sincerely, Cookie.

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check