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