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1/14/2010 9:14:41 PM EDT
I just got a new AR10 & M15 from Armalite.  They both have chrome lined barrels.  Is this break in just for match barrels or the chrome lined also?  I have done this break in on other rifles and noticed no difference in accuracy.  I was always taught not to over scrub a barrel and if I fire 100 rounds the manual tells me to do 100 passes with the brush.  Seems a little over the top.  What do you guys think?
Thanks,
Mike



8.4 BREAKING IN MATCH BARRELS
ArmaLite® has spoken with several barrel manufacturers. NONE of them recommend breaking
in barrels using abrasives. For optimum accuracy and barrel life, ArmaLite® recommends the
following break-in procedure:
1. Fire 9 single shots. After each shot, push a cotton patch wet with solvent through the bore.
Then wet a bronze brush with solvent and stroke the barrel five to ten round trips. Follow with
another wet patch and then a dry patch or two. (We do NOT recommend nylon or stainless steel
brushes.) After you finish, wash the solvent off your brush so that the brush won’t deteriorate.
2. From 10 to 30 shots, clean as above after each five shots. Initial break-in should now be
complete.
For subsequent, normal cleaning, it is suggested that you clean after each range session. It is
often suggested that the barrel be brushed one stroke for each shot fired
1/14/2010 9:18:27 PM EDT
[#1]
Quoted:
They both have chrome lined barrels.


Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang,
Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang,
Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang,

Reload:

Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang,
Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang,
Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang,

Go home, probly not bother to clean it, maby don't know, depends if football is on.

Yes I'm serious, it's a CL barrel; go shoot it.
1/14/2010 9:44:27 PM EDT
[#2]
Waster of time.



Oops, my typo was kind of insulting





Quoted:



I just got a new AR10 & M15 from Armalite.  They both have chrome lined barrels.  Is this break in just for match barrels or the chrome lined also?  I have done this break in on other rifles and noticed no difference in accuracy.  I was always taught not to over scrub a barrel and if I fire 100 rounds the manual tells me to do 100 passes with the brush.  Seems a little over the top.  What do you guys think?


Thanks,


Mike



8.4 BREAKING IN MATCH BARRELS


ArmaLite® has spoken with several barrel manufacturers. NONE of them recommend breaking


in barrels using abrasives. For optimum accuracy and barrel life, ArmaLite® recommends the


following break-in procedure:


1. Fire 9 single shots. After each shot, push a cotton patch wet with solvent through the bore.


Then wet a bronze brush with solvent and stroke the barrel five to ten round trips. Follow with


another wet patch and then a dry patch or two. (We do NOT recommend nylon or stainless steel


brushes.) After you finish, wash the solvent off your brush so that the brush won’t deteriorate.


2. From 10 to 30 shots, clean as above after each five shots. Initial break-in should now be


complete.


For subsequent, normal cleaning, it is suggested that you clean after each range session. It is


often suggested that the barrel be brushed one stroke for each shot fired

 
1/14/2010 10:37:04 PM EDT
[#3]
Quoted:
Quoted:
They both have chrome lined barrels.


Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang,
Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang,
Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang,

Reload:

Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang,
Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang,
Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang,

Go home, probly not bother to clean it, maby don't know, depends if football is on.

Yes I'm serious, it's a CL barrel; go shoot it.


this
1/14/2010 11:45:06 PM EDT
[#4]
Quoted:
Quoted:
Quoted:
They both have chrome lined barrels.


Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang,
Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang,
Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang,

Reload:

Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang,
Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang,
Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang, Bang,

Go home, probly not bother to clean it, maby don't know, depends if football is on.

Yes I'm serious, it's a CL barrel; go shoot it.


this


+3, no such thing as a break in period on you chrome lined barrel.
1/15/2010 9:10:57 AM EDT
[#5]
Thanks guys, thats what I thought but just wanted to be sure.  Thanks again.
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