A popular example and perennial favorite in the u s.
Chrome moly steel barrel.
So let s detail the pros of chrome molly steel barrels that have chrome lined bores and chambers first.
When properly manufactured and heat treated they are chemically almost identical and perform similarly.
The fella at brux told me that the chrome moly was every bit as accurate and the only real difference he knew of was that a stainless barrel craps out all at once when its usable life is over with and that a chrome barrel will gradually go away and not all at once.
M16 m4 mil spec barrels are made of chrome molly steel with chrome lined bores and chambers.
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.
Different shooters have their preferences but here are some general guidelines.
Why in the world would i choose an expensive stainless steel barrel over a steel barrel after learning all this information about these two steels.
These 41 steels contain 0 15 0 25 molybdenum and 0 80 1 10 chromium in their composition.
What is the best barrel length.
Alloy steels suitable barrel alloys include types having varying amounts of chromium molybdenum vanadium nickel and manganese as alloying metals.
It all depends on what type of shooting you are doing.
Is called sae 4140 chrome molybdenum or chrome moly steel.
In europe vanadium and nickel steel alloys are preferred.
Chromium molybdenum also called chrome molybdenum chrome moly or cr mo and chromium vanadium also called chrome vanadium or cr v are names for two families of steel alloys used in hand tool manufacturing.
Chrome moly barrels always outlast stainless steel barrels but only by a narrow margin.
Any steel with 41 as the first two numbers are known as chromium molybdenum steels.