
Originally Posted by
moonshot
Mjoinir,
My understanding was the BCM CHF barrel did not have a CHF chamber, but I could certainly be wrong. Perhaps it's SOP to do the chamber, I don't know.
Would the throat be CHF even if the chamber was not?
For that matter, I seem to remember reading that throat erosion was a faster way to "shoot out" a barrel, followed by too frequent or improper cleaning, than number of rounds down the barrel. Is this true?
Finally, is the fact that most of the ammo I shoot is .223, not 5.56 a factor?
The reamer is still cut into the bbl traditionally....when we talk throat erosion, it is the wearing of the initial rifling being worn away due to its proximaty of the case. The chamber itself (if cut equally between various bbl types with same reamer) has no factor in how the throat / leade starts to deteriorate.
Your 5.56 will put more heat and wear on a tube over the 223....having said that, shooting style comes into play than the difference between the two loads. You can burn up a bbl in short order with either.
Bad cleaning prodedure can hurt both the crown and the leade, but not in the same way we talk about errosion.
thanks for the link thomas!! i see the light...
"You cannot invade the mainland United States. There would be a rifle behind each blade of grass."
Japanese Admiral Yamamoto, 1941
"A wise man's heart directs him toward the right, but a foolish man's heart directs him toward the left."
Ecclesiastes 10:2:
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