View Full Version : Barrels: chrome-lined- advantages/disadvantages?

May 11, 2001, 01:24
What is the advantage of chrome lined barrels? Why should you have them? How do you know if you have one? Kyle :confused:

[ August 10, 2001: Message edited by: EMDII ]

May 11, 2001, 02:18
The lining is harder than regular barrel steel and provides more durability, lasts longer & is generally easier to clean. Some say less accurate too.

As far as IDing one, the chrome usually extends out onto the crown of the barrel a tiny bit. (If your looking down the front of the barrel please make sure it's not loaded ;) )

May 11, 2001, 08:42

Nothing is free. Check out these threads. I wish this topic was at the top of the FAQ.
http://www.l1a1.com/cgi-bin/forums/ultimatebb.cgi?ubb=get_topic&f=1&t=008447 http://www.fnfal.com/forums/Forum3/HTML/000169.html http://www.fnfal.com/forums/Forum3/HTML/000817.html http://www.fnfal.com/forums/Forum3/HTML/000430.html http://www.fnfal.com/forums/Forum3/HTML/000811.html http://www.fnfal.com/forums/Forum3/HTML/000828.html http://www.fnfal.com/forums/Forum3/HTML/000852.html

May 11, 2001, 08:55
From the ArmaLite web site:

Because each barrel has advantages suited to different uses.

ArmaLite's Chrome Moly barrels have excellent internal surface finishes, and offer excellent accuracy for a reasonable price. Chrome lined barrels offer excellent corrosion protection and slightly longer life expectancy, but are more expensive than unchromed barrels. In addition, the process of electro polishing the barrels, and the chroming process itself, tend to reduce accuracy somewhat. Stainless is easy to process to fine surface finishes, and provides moderate corrosion resistance.

Chrome Moly is thus used for Eagle Arms' standard rifles, for good accuracy for beginners at a low price. ArmaLite A2 and A4 rifles, in either .223 or .308 caliber normally are produced with chrome lined barrels for hard service use under adverse conditions, with stainless steel as an option. All ArmaLite match grade rifles, the Ts and National Match rifles, are made with stainless steel barrels for superior accuracy and decent corrosion resistance.

R4 fan
May 11, 2001, 09:45
Thanks for that post Kevin. I believe the same thing, each barrel has advantages suited to different uses. I personally want a chrome lined barrel. I want my rifles to be basic (KISS) and "combat" (whatever that means) :rolleyes: oriented. I want durability under adverse conditions, even though my rifle will be well taken care of. Yes, for the accuracy benefit and cost of a non-chrome lined barrel, plus being able to replace it whenever you want has it's advantages. But my AR's, M1A's and soon to be FAL's aren't match grade weapons for my purposes. I want a rifle that if TEOTWAWKI comes, or if I was dropped into the middle of a rainforest (ouch!) or even if the government banned EVERYTHING and I could get no more guns/parts/etc., and I had NO available means of removing or replacing the barrel, which one would I want?

Now from what I've been told (don't know if it's correct) is that regular steel barrels will s-l-o-w-l-y degrade in accuracy from the result of throat erosion. Stainless steel barrels will last longer than the regular steel barrels, but when the accuracy degrades, it will be quick and drastic. Either way, I don't want a shiney stainless barrel on my gun unless it's a match rifle. So if I get a chrome-lined barrel, I get a corrosion resistant bore/chamber with decent accuracy.

Is the answer a steel barrel with a chromed chamber and throat, and un-chromed rifling? :confused:

May 11, 2001, 10:30
I too thought that superior accuracy couln't be obtained while using a chrome lined barrel. Until I saw the new FN sniper rifle. It is basically a heavy barreled Model 70 in an HS Precision stock. However, it has a chrome lined barrel! .5 moa seems to be the norm with this rifle.

Just when you thought you had it all figured out!

May 11, 2001, 12:33
You can neglect the hell out of a chrome-lined bore, and it won't rust.

It is considerably cheaper to produce a chrome-moly barrel with a chrome-lined bore than it is to produce stainless steel barrels (which will pretty much tolerate the same sort of neglect as a chrome-lined barrel).

A chrome-moly barrel without a chrome-lined bore will show rust overnight in a salt-air environment (which is where a large percentage of military activity occurs). Rusty semi-autos don't function too well.

[ May 11, 2001: Message edited by: gary.jeter ]

May 11, 2001, 16:18
For guys like me that live in mega-humidity(Hawaii)areas, Chromed lined is a god send. I just bought 2 of the Argie barrels(new) that are chromed lined/threaded/21 inch from CDNN. You can never have enough spares of good stuff, especially when they are 99.00 with the gas block and are "Banned from future Importation"

according to the gent I talked to yesterday, they had about 20 left......

May 13, 2001, 10:29
Thank you all for your time and answers. I think I'm on the same page with what R4fan said. Can I ask what an R4 is? :)

L1A1 shooter 1
May 13, 2001, 10:40
all miltary m-16's use chrome bores,as a ar-15 owner my shorty will hit a tack every time at a 100 yards,how big is a head of a tack,??lol,chrome bores if u are going to use they outside for anything other than match shooting is the only way too go

May 13, 2001, 10:56
Originally posted by FALPhil:

Nothing is free. Check out these threads. I wish this topic was at the top of the FAQ.</STRONG>

You get your wish-

R4 fan
May 15, 2001, 21:54
Originally posted by: farranger
Thank you all for your time and answers. I think I'm on the same page with what R4fan said. Can I ask what an R4 is?

Sure. An R4 is the South African copy of the Israeli Galil assault rifle.

...and I'm a fan. :D