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What is the best barrel length for an AR?

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29 COMMENTS

  1. 14.5 if you're carrying it all the time and shooting a little. 20" if you're shooting it all the time and carryjng a little. I like 16s as a decent middle ground, but absolutely nothing shorter than an 11.5, too much velocity is lost.

  2. 14,5" in 5.56 the best compromise between handling and terminal ballistics… with a 14.5" you can do everything and you don't lose too much ballistic performance with a real 5.56 which allows you to have very good terminal ballistics and to be able to shoot quite far, while having a compact and handy rifle.

  3. 20-inch is the master race.

    If flatter, smoother, cooler, more reliable, more durable, and more effective becomes boring for you, supplement it with a 14.5-inch. But 20-inch is objectively better if you are going to own just one.

  4. The best overall system is going to be a 20” barrel, rifle length gas with rifle length stock and buffer system. Of course other stuff can work but everything below that is a compromise

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