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Will this work with the sig rattler 556 conversion 5.5” barrel? Sigs own factory 300blk Rattler handguard will not work with their 556 5.5” conversion — 1 Answer

by Onlylongrange, from TX, United States Asked on June 14, 2020

Name Midwest Industries SIG Rattler M-Lok Handguards (4)
As Low As $127.99 Save Up to 26%
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Answered by Tom B, Gear Expert, from IL, United States, on October 06, 2021

According to Sig: It will not function with a factory .300BLK handguard. This barrel requires the 5.56NATO Rattler handguard.

It should be compatible with this unit from MI.

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