Old Low Wall..? vs. New Metallurgy Low Wall..?
32-40 roughly 30,000 PSI
A.I. /
"Pressure Guidelines for Low Walls Original Actions: Built in the black powder era, they lack the massive side support of the High Wall. Stick to traditional or moderate smokeless loads matching cartridges like the .25-20, .32-20, .38-55, or standard .22 Hornet limits (approx. 20,000 psi/CUP max).
Bolt Thrust Factor: Small case-head diameters (like the .218 Bee or .22 Hornet) generate less total rear thrust on the breech block than large-diameter rifle cases, offering a slight margin in safety with mild loads, but frame stretch remains a risk if over-pressured.
Modern Reproductions: Modern replica Low Walls (such as those by Cimarron/Uberti or Miroku) use vastly improved, modern alloy steels. They can safely handle standard factory pressures for historic cartridges designed into the smokeless era, though you should still avoid heavy "+P" or hot custom handloads.
marlinguy wrote on Sep 18
th, 2026 at 7:52pm:
bpjack wrote on Sep 18
th, 2026 at 12:39pm:
Vall,
Trouble is my middle name!
My ultralight pioneer friend Jack McCornak, inventor of the Pterodactyl Ascender would say that phrase all the time and then immediately whip out his drivers license and show that he had legally changed his middle name to Trouble.
I'm not saying it wont work, or it hasn't been done. I'm just saying it's not something I'd personally do anymore than I'd choose to do a Ballard #2 in .32-40. I see those too, and guys shooting them for years, but I wouldn't build one myself.
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Winchester low wall 32-40 (Read 481 times)
