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December 4, 2011
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I found this post I made 12 years ago. Thought I'd repost it for informational purposes.
Its raining here today so I got out my Craftsman thread pitch gage and my Frankford Arsenal digital calipers and decided to do some measuring of the large and supermag barrels. I'll post my results below. All measurements made at frame end of barrel.
CALIBER Thread Diameter Pitch
357SM .657 32TPI .357
375SM .686 32TPI .371
41Mag .656 40TPI .417
414SM .656 40TPI .417
44Mag .686 40TPI .426
445SM .686 40TPI .426
45Colt .688 36TPI .450
Anything worth doing is worth doing well.
My father
If a man designed it, and a man built it, then a man can fix it.
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