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9/19/2017 7:27:10 PM
Posted: 12/4/2005 8:18:21 PM EDT
What's your preferred way of breaking in a new AR?
Link Posted: 12/4/2005 8:22:00 PM EDT
What type?
Link Posted: 12/4/2005 8:24:35 PM EDT
[Last Edit: 12/4/2005 8:25:37 PM EDT by Special_FX_45]
Lets say an M4 A3
Link Posted: 12/4/2005 8:27:14 PM EDT
Shoot it. A lot.
Link Posted: 12/4/2005 8:48:02 PM EDT
[Last Edit: 12/4/2005 8:48:21 PM EDT by WIZZO_ARAKM14]

Originally Posted By WindDrake:
Shoot it. A lot.



A half dozen 30rd mags through it quickly with no cleaning the first time out.

WIZZO
Link Posted: 12/4/2005 10:54:33 PM EDT
Shoot at least 1,000 rounds through it.
Link Posted: 12/4/2005 11:01:55 PM EDT
break the barrel in if it's worth it, shoot one and clean for ten shots. shoot ten and clean for a hundred. then shoot until the cows come home.
Link Posted: 12/4/2005 11:07:54 PM EDT

Originally Posted By WindDrake:
Shoot it. A lot.



ditto.

this whole "shoot x rounds and clean then shoot x rounds and clean" is a bunch of CRAP.
Link Posted: 12/4/2005 11:26:59 PM EDT
I just ran a little over 500 rounds through my Bushy M4A3 on the first outing and cleaned and inspected afterward. There was very little wear and everything is working fine.

Just shoot it!
Link Posted: 12/5/2005 1:01:27 AM EDT
Link Posted: 12/5/2005 1:06:35 AM EDT
Run a patch through it then shoot it.
Link Posted: 12/5/2005 1:16:28 AM EDT
After 2 to 3000 rounds it will be nice and smoothe and not so tight.
Link Posted: 12/5/2005 1:19:18 AM EDT

Originally Posted By WindDrake:
Shoot it. A lot.

works for me.
Link Posted: 12/5/2005 1:22:10 AM EDT
Clean the bore then badadadada bump
Link Posted: 12/5/2005 4:07:16 AM EDT
Clean it, and then 1000 rounds should just about get it broken in.
Link Posted: 12/5/2005 9:09:15 AM EDT
Clean it thoroughly, then shoot a case of ammo through it. Repeat as needed.
Link Posted: 12/5/2005 9:13:38 AM EDT
clean first. Then ammo dumps. Clean some more. Kill some bunnies. repeat process
Link Posted: 12/5/2005 9:16:55 AM EDT
God I love my AR~!

Just needed to get that out.
Link Posted: 12/5/2005 9:17:00 AM EDT
Some say that it depends on whether you have the chrome-lined bore or not. My buddy and I went and bought our AR's at the same time 3 years ago. I bought the last Bushmaster 20" A2 they had that day. So he got an Eagle Arms 20" A2. So in the cold, snowy weather that afternoon, I proceeded to "break-in" my Bushy by shooting several hundred rounds through it. He shoot a few and then ran a cleaning rod through it with cold hands. I was DANG happy I bought the gun with the chrome-lined bore that day. In fact, if I recall correctly, it was recommended that you NOT clean the barrel until after at least several hundred rounds (500?) for proper break-in. Can't beat that...
Link Posted: 12/5/2005 9:18:01 AM EDT
With lots of inexpensive Wolf ammo!
Link Posted: 12/5/2005 9:18:48 AM EDT
Link Posted: 12/5/2005 9:19:11 AM EDT
tie it off with a rope and drag it behind the truck.....

Link Posted: 12/5/2005 9:28:39 AM EDT

Originally Posted By NAM:

Originally Posted By WindDrake:
Shoot it. A lot.



ditto.

this whole "shoot x rounds and clean then shoot x rounds and clean" is a bunch of CRAP.



he asked my preferred method. i don't always go through the entire thing, just until i get reduced fouling.

Krieger barrels break in procedure

i also recheck my door locks three times, go out to the car and then return to recheck the door three more times. halfway to my destination i return home to see if the iron's off, i don't own an iron.
Link Posted: 12/5/2005 9:43:32 AM EDT
All of my previous and current 9 ARs are chrome lined, none are match barrels.

Clean and lube, 10 complete strokes with the brush.

Shoot and repeat cleaning after shooting until 600 to 1,000 rounds.
Link Posted: 12/5/2005 1:08:37 PM EDT
To shoot it.
Link Posted: 12/5/2005 1:19:26 PM EDT
Take it to the range and put as many rounds as you have through the barrel.


Take home. Clean. Repeat as needed.


Enjoy.
Link Posted: 12/5/2005 1:48:16 PM EDT
I take the upper to my friend house that has a registered lower, and then do 30 round mag dumps until I am confident all is well.
Link Posted: 12/5/2005 2:05:37 PM EDT
first i physically threaten all my neighbors, then cuss the retarded pot head girl at the drive-thru window at mickey d's. i then immediately run for the vice chairman position for my neighborhood crime stoppers unit with the campaign slogan "i got me a motherfuckin ar bitch!". then i firelap my dewey snake bore till i get .002cm groups.
Link Posted: 12/6/2005 6:51:47 PM EDT

Originally Posted By cnow:
first i physically threaten all my neighbors



Bad idea if your neighbor is crazier than you and/or owns more guns than you! Case and point... I used to live next door to an ex MP and I saw them move four (yes count them FOUR) gun safes out of his 1100 square foot townhouse AND about 20 rifle bags, that appeared to have guns in them, when he moved out.

That was you, wasn't it? hock.gif
Link Posted: 12/6/2005 7:28:23 PM EDT

Originally Posted By tdogg77:
God I love my AR~!

Just needed to get that out.



+1!
Link Posted: 12/6/2005 7:31:50 PM EDT
[Last Edit: 12/6/2005 7:32:56 PM EDT by MlTCHELL]
From what I've heard... if you bump-fire it underwater in a nearby body of water, that's the best way to keep it lubricated it's first few rounds.

ETA: I wouldn't want anyone listening to my "advice".
Link Posted: 12/6/2005 7:42:17 PM EDT
Here's what Bushmaster has to say about the subject.


"What is the proper "break-in" procedure for a chrome lined AR barrel?

After firing a couple hundred rounds, the chrome lining will "polish out" from its light, flat gray, factory-new look to a brightly reflective, polished appearance. During this break-in period, excessive cleaning with solvent or brush should be avoided as that will only prolong the time (and number of rounds) it takes to achieve the final "bullet polishing" of the barrel."

This is for their chrome lined barrels. The all steel barrels have different advice.

Link Posted: 12/7/2005 8:32:26 PM EDT
ok guys-i just recently picked up a Colt 6721 LEO marked AR-its my first AR. Havn't shot it yet.
This is a a stupid question but is the HBAR 1-9 16.1 barrel chromed on the 6721? Some say the earlier ones weren't-how can i tell if mine is a ealier one-can i just look down the barrel and tell?
Link Posted: 12/7/2005 9:32:45 PM EDT
if you have one with the LEO mark you have a newer model and the bore and chamber are chromed. now go shoot the hell out of it.
Link Posted: 12/7/2005 9:41:38 PM EDT
Link Posted: 12/7/2005 9:45:56 PM EDT
shoot, clean, repeat.
Link Posted: 12/7/2005 10:50:09 PM EDT
[Last Edit: 12/7/2005 10:51:48 PM EDT by 4get_No1]
The guys are right - clean it to get any latent manufacturing junk out of there and then use it, no big deal. Here's what Bushmaster says:

After firing a couple hundred rounds, the chrome lining will "polish out" from its light, flat gray, factory-new look to a brightly reflective, polished appearance. During this break-in period, excessive cleaning with solvent or brush should be avoided as that will only prolong the time (and number of rounds) it takes to achieve the final "bullet polishing" of the barrel.

I would suggest a reasonable quality ammo though, at least for the first 1000 rounds or so. Wolf uses cheap and therefore pretty dirty powder.

ETA: Man it takes me a long to to type - same thing bobafett126 (and others) already said too.
Link Posted: 12/7/2005 11:07:30 PM EDT
[Last Edit: 12/7/2005 11:17:39 PM EDT by FishKepr]

Originally Posted By NAM:

Originally Posted By WindDrake:
Shoot it. A lot.



ditto.

this whole "shoot x rounds and clean then shoot x rounds and clean" is a bunch of CRAP.



I just reread Derrik Martin's book on building match ARs and he essentially said the same thing.

Zedker on the other hand advises THIS PROCEDURE for match barrels. (75K PDF file)
Link Posted: 12/10/2005 7:36:48 PM EDT
To break it in, drop complete rifle from 6 feet (or, 6 meters for you non-USA folks) onto some jagged rocks. This will get those first scratches "under your belt".
Link Posted: 12/11/2005 10:44:50 AM EDT
[Last Edit: 12/11/2005 11:27:21 AM EDT by GunDraw]
I had a Bushmaster custom built long ago with a 24" chrome lined hbar. As pointed out, they said not to touch it with a brush as that will do nothing but slow down the "polishing" of the chrome lining. They ALSO told me to use higher velocity ammunition. I stated I was using XM193 and they said that would be great. All that said, I think I cleaned it once after a couple hundred rounds, and maybe fully cleaned it after 500.

I'm quite anal about the care of my firearms, and it's in my nature to give into the barrel break-in voodoo. But given the people I've asked who really know firearms, I figure it's a lot of hype.

Gundraw
Link Posted: 12/11/2005 11:14:40 AM EDT
Got a new NM A2 with SS barrel from Rock River. They said no break in necessary because it is a hand lapped bore.
Just go shoot it. So I did.
Doug
Link Posted: 12/11/2005 12:40:52 PM EDT

Originally Posted By Tweak:
at the very least it will have a chromed chamber

the arrow points to what you should see from the rear

photos.ar15.com/WS_Content/ImageGallery/Attachments/DownloadAttach.asp?sAccountUnq=12467&iGalleryUnq=934&iImageUnq=43583

there should be a corresponding silver ring around the crown if the bore is chromed.

if there is any question about it being chromed degrease the area and dab some cold blue onto the suspect area. chrome does not blue.



Damn tweak... how'd you fit the camera in there?
Link Posted: 12/11/2005 8:51:50 PM EDT
M4 feed ramps?
Link Posted: 12/11/2005 11:39:02 PM EDT
Link Posted: 12/12/2005 1:38:18 AM EDT
Clean, then shoot 200 rounds straight w/o cleaning (for chrome lined barrel).
Link Posted: 12/13/2005 12:18:51 AM EDT
Ya say what? Yeas.....
Link Posted: 12/23/2005 7:12:50 PM EDT
I have a brand new chrome lined barrel bushy M4A3. Some guy told me that I should break it in by shooting a dozen rounds through it, then boresnaking after that. He said to repeat this about 100 times. Is this advice any good?

Now I'm confused:

-Do I clean the bore first them shoot it a crapload of times?


OR...


-Do I just take it to the range, shoot it a crapload of times, then clean it



WHAT SHOULD I DO? I'm very confused at this point.
Link Posted: 12/23/2005 7:32:45 PM EDT

Originally Posted By Special_FX_45:
I have a brand new chrome lined barrel bushy M4A3. Some guy told me that I should break it in by shooting a dozen rounds through it, then boresnaking after that. He said to repeat this about 100 times. Is this advice any good?

Now I'm confused:

-Do I clean the bore first them shoot it a crapload of times?


OR...


-Do I just take it to the range, shoot it a crapload of times, then clean it



WHAT SHOULD I DO? I'm very confused at this point.

Link Posted: 12/23/2005 8:26:25 PM EDT
Just looking for more replies
Link Posted: 12/23/2005 11:03:28 PM EDT

Originally Posted By Special_FX_45:
Just looking for more replies



Shoot it 'til it smokes.

Link Posted: 12/24/2005 12:56:05 AM EDT

borrowed from bushmaster's site:
Cleaning the AR15 - with its chrome lined barrel - is a little different than cleaning a regular sporting rifle. The chrome lining will take longer to break in - usually 100 - 200 rounds, and once properly broken in, will really not require much scrubbing until many thousand rounds later when your target groupings start to suffer. Chrome barrels don't get fouled nearly as quickly as steel barrels, and they won't rust or pit either. Here's the basic cleaning process - after a shooting session, clean the bore and chamber with a nitro solvent (Hoppe's or equivalent) and run patches through until all solvent is removed. Caution - any solvents that can affect nickel may damage the finish of the receiver unless removed. A Nickel Acetate sealant is applied as one of the receiver's last finishing steps, and some solvents will attack that finish. The use of a chamber rod guide (available in our catalog) will limit your cleanup. Once the rifle is clean and dry, apply a light oil with Teflon but don't over-do it. We sell the Tetra brand, others are Break-Free and Rem-Oil. The manual that comes with your rifle will show you how and where to oil. After many (thousands) of rounds, if the rifle's accuracy starts to suffer, scrubbing the bore down with a good copper solvent, plenty of elbow grease, and patience, will produce a barrel that shoots as good as new.

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