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Posted: 9/4/2005 7:23:48 PM EDT
[#1]
Yes. Black Hills Blue Box 68gr out of a BM 20" HBAR was the only time I truly shot 1moa at 100 yards. No freefloat, but off of sandbags.
Chrome-lining isn't nearly as bad for accuracy as some claim. FN-SPRs, some of the finer bolt-guns out there, have chrome-lined barrels. |
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Posted: 9/5/2005 2:51:30 PM EDT
[#2]
Anyone else??? BTT for the late crew....
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Posted: 9/5/2005 2:53:47 PM EDT
[#3]
possibly, but not consistantly likely. A chrome lined barrel is a combat need - if it holds 2 MOA its plenty good enough. If you want MOA - buy a match grade barrel.
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Posted: 9/5/2005 3:05:34 PM EDT
[#4]
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Posted: 9/5/2005 3:08:54 PM EDT
[#5]
Maybe, but I'm too cheap to buy accurate ammo to find out.  WIZZO |
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Posted: 9/5/2005 3:14:49 PM EDT
[#6]
yes it will, but not as well as a non will, even if ever so slightly. The rounds you shoot have alot to do with moa.
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Posted: 9/5/2005 3:19:09 PM EDT
[#7]
I know that this is an AR thread, but I think this is relevant. I used to think chrome lined equalled less accurate. I really don't think so now (or am on the fence at least). The FN SPR's are bolt guns with chrome lined bores - and from the rumors, they are turned down M240 barrels at that. They are fine, very accurate guns that are easily capable of MOA or better when fed proper ammo. I'm not an internal ballistics expert by any means, but it seems that if they can be accurate in .308, no reason they can't be in .223/5.56 guise. I am now of the opinion that it is just a QC issue, and chrome lined bores can be very accurate rifles if put together right (ie, not by me).
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Posted: 9/5/2005 3:44:03 PM EDT
[#8]
Absolutely, positively. Providing you have a good chrome lined barrel, and a gun that is set up to shoot accurately, it will certainly do sub moa. Not half moa, but sub moa, sure. Done it and seen it plenty.
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Posted: 9/5/2005 3:47:31 PM EDT
[#9]
What were the stats on the 16" rifle you were shooting at a 600yd gong with? Those were some impressive results. WIZZO |
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Posted: 9/5/2005 3:56:39 PM EDT
[#10]
Damn straight, I do it all the time 
+1 |
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Posted: 9/5/2005 4:00:50 PM EDT
[#11]
It was a 14.5" Bushmaster M4 barrel, less than 2moa at 600. Shooting sub moa out to 300 yards. Please keep in mind, this is with a match trigger, FF barrel, match ammo and optics. But the barrel is chrome lined. |
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Posted: 9/5/2005 4:07:42 PM EDT
[#12]
They will do it, but you won't consistenly find one that does. My LMT 16" will, but I have had others that wouldn't.
If you HAVE to have a 1MOA gun, don't roll the dice and take the chance on a chrome lined barrel. Just get a SS and be done with it. C4 |
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Posted: 9/5/2005 4:41:38 PM EDT
[#13]
Hell Yeah!
Tack |
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Posted: 9/5/2005 4:42:33 PM EDT
[#14]
Possible but not likely and it has nothing to do with quality control. It is the nature of the beast. Most do not even know what M.O.A. accuracy is, now flame away.
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Posted: 9/5/2005 4:56:10 PM EDT
[#15]
I admit I do not routinely shoot as well as I did in my above pic. I always figured it was more me than the gun. I have found that particular Ar to be my most accurate though. Most of my guns shoot better than I do though.
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Posted: 9/5/2005 5:20:27 PM EDT
[#16]
Get 5/8" - 3/4" groups all the time out of my 20" hbar bushy barrel w/ a standard hand guard w/ a handload using a 55gr nosler b-tip. It shoots good enough to almost be considered a varmint rifle, but 3/4" groups limits your effective range to about 250 yards on prairy dog sized kritters. I would not be surprized if this barrel would hold 1/2" groups with some more load development and a free float tube.
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Posted: 9/5/2005 5:32:47 PM EDT
[#17]
 You asked, so flame on.............Thanks for the "help," but I wasn't looking for a comment on my abilities or knowledge base. This forum is one of the best places for info on the ar platform and shooting in general that I have ever seen. I don't know that much and I don't post that ofter but I try to contribute when I can. When I can't, I don't chime in with less than constructive information. I know what MOA is and I know the multiple variable that contribute to external ballistics and accuracy. I have several custom built rifles and have been shooting prairie dogs for a while now. so, to rephrase, do your chrome line barrels keep 1 MOA or are they less accurate than that??? Thanks |
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Posted: 9/5/2005 5:44:14 PM EDT
[#18]
A good quality barrel of any type should be able to hold sub MOA groups, assuming the rifleman and the ammunition is up to the task.
Bigbore, I think you're wrong about chrome always equaling poorer accuracy. Way back in the day, when they started chroming small-bore barrels, the techniques weren't as refined as they are today. As I said above, if the barrel is of good quality and properly made, it should be more than able to hold MOA or better. This is because current manufacturing techniques allow the maker to keep the chrome layer both very consistent and very well bonded to the bore. As long as that manufacturer has bothered to make the basic barrel with good tolerances and proper treatments, the result will be a good barrel. I will not buy "cheap" anything when it comes to firearms parts (I value maintaining all my parts in their original locations and conditions), but most especially I won't buy a cheap barrel. |
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Posted: 9/5/2005 5:49:24 PM EDT
[#19]
Where did I say that? I said its not consistantly likely. Give a good shooter 10 chrome lined barrels of the same length, made by the same manufacturer, and I'm sure some will shoot MOA. Give the same shooter 10 non-chrome lined match barrels, and all 10 will shoot MOA. |
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Posted: 9/5/2005 5:58:47 PM EDT
[#20]
If you are going for accuracy I would get a chrome-moly 20'' with no flash hider. I noticed a slight decrease in accuracy when I had my flash hider installed.
My next rifle will probably get a A2 chrome lined setup. For SHTF situations. K.I.S.S for sure. |
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Posted: 9/5/2005 6:50:55 PM EDT
[#21]
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Posted: 9/5/2005 6:59:25 PM EDT
[#22]
Well my Bushmaster 14.5" M4 govt profile 1/7 twist with DD 7.0 rail, KAC 2 stage trigger, TA31 ACOG and using 75 grain red box Black Hills ammo shot consistant 1 MOA. Some times a bit over sometimes a bit under but always capable of one or more 5 shot groups that were 1" or under on any given day.
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Posted: 9/5/2005 7:03:27 PM EDT
[#23]
With a better quality made barrel it is very possible and most likely... And for those of you who dont know what the definition is for MOA accuracy... 'Minute Of Arc' also known as arcminute, is a unit of angular measurement... 1 MOA almost exactly subtends one inch at 100 yards... |
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Posted: 9/5/2005 7:21:26 PM EDT
[#24]
Hey Forward_Assist, I almost didn't notice your reply, kind of got tangled up with ker2222's quote Any way, I understand what your saying know, and I totally agree chrome isn't the way to go if your wanting a competition match grade barrel... And with that being said, I do own and have seen many modern chrome lined barrels shoot 1 MOA and they had achieved doing it in the manner you have described... |
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Posted: 9/5/2005 7:44:26 PM EDT
[#25]
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Will chrome lined barrel hold 1MOA???? -------------------------------------------------------------------------------- YES!! My 16" RRA chrome-lined M4 barrel shoots 10 shot 1 MOA groups at 100 yds with groups with 55 fmj without a free float handguard. I use a Midwest Industries 2-piece rail handguard. |
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