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9/22/2017 12:11:25 AM
Posted: 1/28/2002 6:40:50 PM EDT
I have a new Colt M4 upper that I will be shooting for the first time. I have the following ammo that I can use:

1) South African .223
2) Winchester Q3131A
3) Federal American Eagle 55gr

Does it matter what ammo I use to break the barrel in with?
Link Posted: 1/28/2002 6:44:26 PM EDT
this subject has been torn up here.. breakin procedure A/B/C... or just shoot the damn thing.

I'm for just going out and shooting, just keep up proper maintenance.
Link Posted: 1/28/2002 7:03:08 PM EDT
It's not gonna make enough difference to be worht the effort on a 16" barrel. Just do it!
Link Posted: 1/28/2002 7:17:33 PM EDT
Good thought, wrong platform. Shoot it and enjoy it.

SRM
Link Posted: 1/28/2002 7:38:58 PM EDT
OK, thanks for the replies. I'll just blast away with the SA .223 and save the Federal and Winchester for a rainy day.
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