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AR Barrels?

 
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  #1  
Old 12-02-2009, 03:11 PM
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AR Barrels?

What does it take to replace a barrel on an AR-15? Is it something that can be done at home or is it a gunsmith only thing?
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  #2  
Old 12-02-2009, 05:03 PM
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Re: AR Barrels?

You can do it at home, but you'll need a couple tools.

GunTech : Changing An AR-15 Barrel - World's Largest Supplier of Firearm Accessories, Gun Parts and Gunsmithing Tools

http://www.brownells.com/.aspx/lid=1...ng_A_Gas_Block
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  #3  
Old 12-02-2009, 05:49 PM
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Re: AR Barrels?

One of the many truly wonderful things about the AR; they don't need a gunsmith, just an armorer. No problem at all and it's a very easy process.

Kevin Thomas
Lapua USA
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Old 12-03-2009, 11:09 AM
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Re: AR Barrels?

Awsome!!! I have already swapped out a savage barrel and that was a piece of cake. Had to figure a AR couldn't be that much more difficult.

So my next question is what brand of barrel would you guys recomend? I am wanting to go with a 20 practical for prairie dog shooting. All the reading I've done on it sounds like a great little round.
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Old 12-03-2009, 12:19 PM
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Re: AR Barrels?

That all assumes that you buy a barrel which already has the barrel extension installed and headspaced. Better barrels are headspaced to a specific bolt which is ether suppled by the barrel manufacturer or by the customer. Headspacing an AR-15 requires some machining.

It also assumes that the barrel has been contoured and the gas port has been drilled by the barrel manufacturer. Determining the gas port location and diameter is generally taken care of by the barrel manufacturer, but may not be the case if your barrel is for a wildcat chamber or special loads. That too requires some machining skill to drill the hole, but far more important is the skill to determine the proper port diameter and location for a particular cartridge.

Just installing a barrel can be done with just a vise, an action wrench. and a torque wrench (optional if you're good at estimating torque) and allen wrenches for tightening screws on the gas block. Installing a new pinned gas block requires machining.

AR-15's were designed to have their barrels replaced in the field by military armorers with only simple hand tools. The military suppled barrels have the barrel extensions headspaced and gas blocks (front sight) already installed on the barrel Check what you're getting when you buy a barrel.
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  #6  
Old 12-03-2009, 12:22 PM
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Re: AR Barrels?

Wow thanks Lou, I'll put that knowlege to good use when I order a barrel. Any opinions on were to get one though?
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  #7  
Old 12-03-2009, 01:36 PM
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Re: AR Barrels?

It depends on what YOU want. What are your targets? At what range? In what terrain?

Some companies turn them out cheap, some expensive with custom chambers and many options.

Shooting prairie dogs at 200 yards or 400 lb hogs at 50 yards or deer at 300 yards each needs a different barrel and cartridge. Different manufacturers are better at different things.

I have AR-15s ranging from 5 to 14 lbs, 7.5 to 26" barrels and from 17 to 50 caliber. There's not much resemblance between a Carbon 15 and a 50 Beowulf Overwatch.

Tell us more about what you want to use it for and you'll get better answers.

Last edited by LouBoyd; 12-03-2009 at 01:47 PM.
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