Stainless is easier to machine because it is slightly softer.
Chrome moly vs stainless steel actions.
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Im in the market for a new barrel for my sps tactical i want better performance out to 1200m.
Almost 100 of the barrels used in competitive bench.
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Most often this would be either a chrome moly steel such as 4140 or a stainless steel such as type 416.
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In evaluating an action is there any benefit of one action receiver material over another.
It is also easier to apply a fine hand lapped finish to a stainless bore.
On a match barrel it s not even a question you just don t see standard carbon steel match barrels on the line much these days everything is stainless.
Manufacturers such as defiance bat kelby and others offer actions manufactured from either stainless steel or chrome moly or aluminum.
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.
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.
Let me be more specific.
The name given by the society of automotive engineers sae usually follows the pattern 4xxx.
Chrome moly or stainless steel.
This is a discussion on chrome moly or stainless steel within the general discussion forums part of the misc.