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**44 AMP** · August 18, 2018, 10:03 PM

the .25-20 was developed from the .32-20 and introduced in either 1893 or 1895 (sources vary).

The .256 Winchester magnum was based on the .357 Magnum case, and introduced about 1962. The Marlin Levermatic, the Ruger Hawkeye, and the T/C Contender are the only guns I know of that chambered it, but there may be others.

The Remington 600 action is unsuited to the .256 Win. It is over long for the round, and was not set up for feeding rimmed rounds (though this can be overcome with good machine work.)

bolt face alteration would also be needed, as the 600 series came in .222, .308, and .350 Mag head sizes. Making a 600 single shot would be easier than getting it to work as a repeater, but getting a Contender single shot would be easier still.

August 18, 2018, 10:03 PM	#7
44 AMP Staff Join Date: March 11, 2006 Location: Upper US Posts: 28,850	the .25-20 was developed from the .32-20 and introduced in either 1893 or 1895 (sources vary). The .256 Winchester magnum was based on the .357 Magnum case, and introduced about 1962. The Marlin Levermatic, the Ruger Hawkeye, and the T/C Contender are the only guns I know of that chambered it, but there may be others. The Remington 600 action is unsuited to the .256 Win. It is over long for the round, and was not set up for feeding rimmed rounds (though this can be overcome with good machine work.) bolt face alteration would also be needed, as the 600 series came in .222, .308, and .350 Mag head sizes. Making a 600 single shot would be easier than getting it to work as a repeater, but getting a Contender single shot would be easier still. __________________ All else being equal (and it almost never is) bigger bullets tend to work better.