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How do I remove the factory installed flash hider. It won't turn. — 2 Answers

by William, from MI, United States Asked on March 22, 2019

Name SIG SAUER 5.56mm 3-Chambered Compensator for M400 TREAD (4.7)
$79.99 $67.49 Save 16%
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Answered by MatthewS, member, from FL, United States, on August 06, 2019

Try a heat gun or a map torch. When all else fails take it to a gun smith.

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Answered by Oggy, member, from ID, United States, on March 13, 2024

They say to soak the flash hider in water to break loose the rockset that sig uses on factory assembly. Rick set is heat resistant but water soluble. I just ordered in … and reached out to sig. I will post their response when I get it.

This little upgrade is said to make a big difference with recoil. We will see! The M400 is a great firearm already — just want to make it a little better !

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