« Reply #21 on: November 18, 2011, 01:18:51 PM »
I would figure they start like as a tube of a certain bore that is rifled then reamed depending on the caliber. Like same "blank" for 44 and 444 marlin? Someone just grabbed the 50 cal blank and reamed a 444 chamber into it... I guess?
Joe,
Ignoring the rim on a 444M brass the largest OD is around 0.470" so they couldn't cut a 444M chamber in .500" barrel blank. Maybe the bore is opening up as you near the muzzle?
BB
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RIP Tom: Tom Nolan, ( bikerbeans) passed away this afternoon (02-04-2021).
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