April 15, 2005
Offlinemrcvs said
Why didn’t Winchester chamber the Model 1894 in .25-20 S.S. instead of the .25-35, since it already existed?
Simple… case head size. The 30 WCF and 25-35 WCF share the same case (as does the 32 WS). The 25-20 S.S. has a much smaller rim diameter, and is a shorter cartridge.
Bert
WACA Historian & Board of Director Member #6571L

April 15, 2005
Offlinedeerhunter said
What about the Model 64 in .219 Zipper?
Don,
There is no reasonable comparison that can be made between the 25-20 S.S. and the 219 Zipper. The 25-20 S.S. was/is a low velocity target cartridge, whereas the 219 Zipper is a high velocity Varmint cartridge.
Bert
WACA Historian & Board of Director Member #6571L

November 1, 2013
OfflineBert H. said
…the 219 Zipper is a high velocity Varmint cartridge.
And a good one, in a heavy-barred bolt-action or SS with a high-power scope…but not in a top-ejecting lever-action repeater. Comb through the multitude of books & articles written on varmint-hunting between the ’20s & ’60s, & count up the number of times you find the M.64 recommended for this purpose.
The Zipper chambering was the answer to the question, “How can we sell another 64 to the customer who already has one in some other caliber?”
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