Carbine length to rifle length barrell
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Old 11-02-2012, 04:19 PM   #1
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Default Carbine length to rifle length barrell

Can you buy a mid length or rifle length barrell to replace a carbine length ? I know I will have to get new handguards and gas tube . Is there anything else I would have to do?

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Old 11-02-2012, 04:45 PM   #2
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Possibly the buffer. Have you thought about selling that upper and buying what you want?

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Old 11-02-2012, 07:00 PM   #3
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Yea I thought of getting a whole upper or a new rifle but I already have five Ar15 and really just wanted to make one of them more accurate , just for plinking I'n my pasture longest shot is 300 yds . I

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Old 11-02-2012, 07:02 PM   #4
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And what you have aren't accurate enough at 300 yards?

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Old 11-03-2012, 03:12 PM   #5
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Methinks JonM's influence is in play here. .75" groups at 300 yards is crazy impressive. /salute.

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Old 11-03-2012, 03:31 PM   #6
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Basic answer is yes, you can change barrels, gas tubes, and handguards to get the length you want.

The length of the barrel doesn't determine accuracy though. at 300 yds and shorter distances a match quality 16" barrel would still get you the accuracy that you need. The extra length gets you more velocity which can give you a flatter trajectory, but that is not the smae thing. The only other advantage that you get is a longer sight radius if you are using iron sights, but if you use a scope, then that advantage goes away.

If you took a match barrel at 20 inches and cut it back it would actually have more accuracy potential by virtue of the fact that it gets more rigid.

So, the criteria to look at for your next barrel are:
- Who makes an accurate barrel?
-What kind of velocity do I need to have the desired effect at the intended range?
-Am I going to use optics or iron sights?

Otherwise you may have more weight and length than you really want, and reduce the handiness of the rifle.

Just some thoughts.

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