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Old 03-05-2010, 17:19   #1
Jack23
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Break-in for my Colt AR-15?

I have had my new Colt AR-15 for nearly 4 months and have exactly 500 rounds through it. I hear a lot of talk about a break-in period but I have been unable to determine exactly what (how many rounds) that is suppose to be.

I have been experimenting with different ammo and I'm getting a lot of inconsistancy. I realize that the shooter is always an important factor in this equation but still I would like to nail it down a little tighter.

I use a company that remanufactures ammo. For .223 they use new brass and all new components and just put it together. According to them 25 grains of powder is the recommend (as well as the maximun amt allowed for good safety) recipe. They have made me ammo in 24.5 all the way up to 25.1 and I am just unable to be consistant with any recipe. I had my best results with some 24.5 but I can't seem to repeat it. I guess I should mention that I run it pretty wet.

Should I be paitient and wait for my AR to finish breaking in? Am I the problem? How might I correct this situation?

Thanks for any advice....
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Old 03-05-2010, 17:20   #2
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I asked Rock River Arms this question when I started planning my first range trip with their AR-15. I still have their e-mail which read something like, "You've got a chrome lined barrel. Go shoot the hell out of it. If you can break it, we'll give you a whole new rifle."
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Old 03-05-2010, 17:27   #3
Jack23
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Quote:
Originally Posted by volsbear View Post
I asked Rock River Arms this question when I started planning my first range trip with their AR-15. I still have their e-mail which read something like, "You've got a chrome lined barrel. Go shoot the hell out of it. If you can break it, we'll give you a whole new rifle."
Thanks V. I have heard that there was no break-in required for a chrome barrel. Guess I just need more trigger time. I appreciate your quick response.

Jack23
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Old 03-05-2010, 17:43   #4
Alaskapopo
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Even with no chrome lined barrels you don't need to break them in. Barrel break in periods are a myth and a waste of time. I have done a break in period and some guns and not on others and I noticed no difference in performance.
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Old 03-05-2010, 17:56   #5
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I agree with Alaskapopo,.......

How ya doin Pat?
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Old 03-05-2010, 18:00   #6
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Quote:
Originally Posted by faawrenchbndr View Post
I agree with Alaskapopo,.......

How ya doin Pat?
Doing all right now. Finally got better from the flu. That stuff had me down for about 1 month.
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Old 03-05-2010, 18:09   #7
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There's nothing to break in. Some believe a barrel needs to be "seasoned", but not an AR. Most believe a tight 1911 needs a break in period. Nothing tight on an AR. I'm guessing it's operator inconsistencies. After 500 rounds, you've got what you're gonna get.
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Old 03-05-2010, 19:17   #8
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You don't have to break a Colt in. They're already broke. LOL.
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Old 03-05-2010, 20:09   #9
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Jack, When you say inconsistent, what exactly do you mean? How large are your groups and at what distance? Have you tried good quality factory ammo? Federal and Hornady are a good place to start.
You don’t need to break in a chrome lined barrel.
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Old 03-05-2010, 20:10   #10
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Quote:
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You don't have to break a Colt in. They're already broke. LOL.
Its better to keep your mouth closed and have people wonder if you are a fool rather than open it and remove all doubt. As a Colt, Noveske, Daniel Defense, Larue, Saber Defense, Spikes, GA Precision owner. I can attest that Colt is one of the better brands out there.
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Old 03-05-2010, 20:25   #11
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You don't have to break a Colt in. They're already broke. LOL.
Be careful Slick,.....you might fall off the couch.
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Old 03-05-2010, 21:51   #12
Jack23
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Quote:
Originally Posted by K. Foster View Post
Jack, When you say inconsistent, what exactly do you mean? How large are your groups and at what distance? Have you tried good quality factory ammo? Federal and Hornady are a good place to start.
You don’t need to break in a chrome lined barrel.
Thanks K. Foster. I can hit 17 to 20 out of 20 in the bullseye at 50yards using iron sights. But I can't do it every time. I am 65 years old and I suspect that even though I feel great I'm sure I have some days that are better than others. That's gotta be part of it. BTW the bullseye in the targets I shoot is 2 1/4 inches in diameter. I'm shooting seated and benched.

I moved out to 100 yards and I can hit all around the bullseye but I have never put one in the center ( yet) With a little more trigger time I'm sure it'll come.

What I'm after is the consistancy to do it on a regular basis and not every other time I go to the range. What I mean by inconsistant is that some days I can drill the bullseye and somedays I do well to get 'em on the paper.

I have two soruces for my ammo I shoot only 55gr FMJ. One uses new brass and Hornady FMJBT bullets. The other uses Winchester bullets. We have experimented with different recipes for the loads and I can shoot fairly well with everything from 24.5 to 25.1 but the results with every thing I try is the same...inconsistant. It APPEARS that I do better with the 24.5 but it is hard to tell. More comparison shooting and practice are in order. in the meantime I'd sure welcome any and all advice and suggestions.
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Last edited by Jack23; 03-05-2010 at 21:53..
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Old 03-06-2010, 07:43   #13
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I'd honestly try some factory rounds for comparison. One of the more obvious, quickest, and cheapest variables to test.

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Old 03-06-2010, 23:28   #14
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Quote:
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You don't have to break a Colt in. They're already broke. LOL.

Stiring the pot?
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Old 03-06-2010, 23:52   #15
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I'd say about 10k rounds, and your Colt will be nice and broken in.
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Old 03-07-2010, 00:19   #16
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Lube it, feed it, shoot it.

I do believe in whatever voodoo that may, or may not, exist in breaking in a match grade barrel. But with a chrome lined barrel I just shoot them.
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Old 03-07-2010, 08:34   #17
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Break in for an AR-15 is really a barrel lifetime. Once it's time to swap barrels you've "broken it in," then you get to start over with a new barrel.
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Old 03-07-2010, 11:56   #18
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Those guns are made for NATO rounds. Get some good quality 62 grain NATO stuff and go for it. Or, if you reload you've gotta factor in that the chambers are different and are not .223 chambers so you'll need to use 5.56 brass. If what you bought is a 6920 or such, they aren't meant for absolute precision either. They are combat guns so they aren't optimized for that role. I own a 6920 and from 50 yards doing my part with Wolf ammo, I can hit the same bullseye consistently. I was doing it last week when I sighted in using the 50 yard Santose Method.

Last but not least, could it be the shooter ? Not saying you don't know what your are doing but the shooter is always a variable.

Last edited by ArmoryDoc; 03-07-2010 at 11:56..
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