AirborneGrunt Posted December 27, 2018 Share Posted December 27, 2018 has anyone used this on their M4? I read several online reviews and it looks like a worthy product. I've been having a hell of a time cleaning the inside barrel of my M4. I can't get the plastic skid marks off. https://huntegoltd.com Quote Link to comment Share on other sites More sharing options...
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