Home CMMG Install Drop In quad rail on AR-15

Install Drop In quad rail on AR-15

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How to remove carbine handguards & install drop in quad rail.

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12 COMMENTS

  1. ok nice video btw… i think i have a similar quad like yours, when i removed the factory hand grip and removed it from the d-ring. the new 7 inch quad rail seemed as if it was to short. because there was a small gap in between the front sight and the front end of the rail. did i purchase the wrong sized rail? or do i need some sort of bushing or shim, etc….. because every other video i watched every one elses seemed to fit perfect like yours

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