What is the best barrel length.
Chrome moly steel barrel.
So let s detail the pros of chrome molly steel barrels that have chrome lined bores and chambers first.
Is called sae 4140 chrome molybdenum or chrome moly steel.
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.
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.
Which one is better.
Any steel with 41 as the first two numbers are known as chromium molybdenum steels.
The pros of chrome lined barrels the military loves chrome lined barrels because of.
Different shooters have their preferences but here are some general guidelines.
M16 m4 mil spec barrels are made of chrome molly steel with chrome lined bores and chambers.
A popular example and perennial favorite in the u s.
The 4140 ar barrel steel has the 41 for the first two numbers.
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.
These 41 steels contain 0 15 0 25 molybdenum and 0 80 1 10 chromium in their composition.
Chrome moly barrels always outlast stainless steel barrels but only by a narrow margin.
In europe vanadium and nickel steel alloys are preferred.
