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Will the included barrel nut fit a bull barrel or is there an alternative nut needed that will work to install this guard on one. — 2 Answers

by Matt, from AZ, United States Asked on December 6, 2018

Name Timber Creek Enforcer AR15 M-Lok Hand Guard (3.9)
As Low As $107.99 Save Up to 46%
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Answered by Ethan C., Gear Expert, from IL, United States, on July 10, 2019

The barrel nut should fit any AR-15 barrel, even bull barrels.

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Answered by milsurprifles, member, from TX, United States, on January 25, 2020

Many null barrels are 1.050” at the gas block shoulder, and barrel nuts are 1.000” . It is accepted practice to open up the barrel nut opening to accommodate the larger barrel diameter. This is a common problem, and strangely, not one parts manufacturer has ever thought of making a 1.050” barrel nut. So, put the included barrel nut in a lathe and resize it, or some have luck with a drum sander on a drill press.

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