This is a discussion on chrome moly or stainless steel within the general discussion forums part of the misc.
Chrome moly vs stainless steel actions.
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Given a choice between a chrome moly and a stainless i d choose stainless for the increased life of the barrel and increased resistance to corrosion plus easier cleaning.
That said chrome moly barrels can be just as accurate when made correctly and there is evidence a chrome moly barrel will hold its accuracy longer than a stainless barrel.
The name given by the society of automotive engineers sae usually follows the pattern 4xxx.
The important characteristics of the steel are its machinability longevity and strength.
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Chromium molybdenum specifically means a family of steel alloys that when used for hand tools have a moderate amount of carbon often around 0 4 to 0 5 around 1 chromium around 0 15 to 0 20 molybdenum and a range of other alloying elements.
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Almost 100 of the barrels used in competitive bench.
Chrome moly or stainless steel.
Let me be more specific.
Most often this would be either a chrome moly steel such as 4140 or a stainless steel such as type 416.
Other considerations are secondary such as its ability to be blued or resistance to corrosion.
Im in the market for a new barrel for my sps tactical i want better performance out to 1200m.
It is also easier to apply a fine hand lapped finish to a stainless bore.
In evaluating an action is there any benefit of one action receiver material over another.