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AR-15 Barrel Length & Twist Rate

Nate “Magic” Murr of Gripstop and Breach Bang Clear fame talks AR-15 barrel length and twist rate. Should you go with a 14.5″, 16″, or 18″ barrel for your next build? What about barrel twist rate? When is one twist rate better over another?

Check out the two part YouTube series below.

Part 1

Part 2

5 Responses to AR-15 Barrel Length & Twist Rate

  1. Adam August 20, 2014 at 11:16 pm #

    I have a Stag model 3 with a 1:9 twist. I shoot 55 grain ammo and can shoot three inch groups at 100 yards with iron sights. It serves it’s purpose.

  2. Adam August 21, 2014 at 12:00 am #

    Left out 18″ barrel

  3. Alex August 23, 2014 at 11:53 pm #

    That was just awesome info , thank you guys

  4. Mikey forge August 24, 2014 at 6:28 pm #

    That was very well put, that’s exactly how I would describe the nuts and bolts of barrel length and twist rate. Good job.

  5. Michael Prilla August 24, 2014 at 9:43 pm #

    It’s pretty simple regardless of length get a 1 in 8 twist with a .223 wydle chamber and you will be fine.

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