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Is this compatible with the Regular KAC M4 RAS Carbine Upper Rail? — 1 Answer

by Saul, from KY, United States Asked on November 6, 2018

Name Knight's Armament M4 Carbine RAS UK/SAS Lower Rail Only with Clamp
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Answered by Bullittrob, guest, from MS, United States, on July 13, 2019

Yes this was specifically designed for use with only the kac m4 ris/ras quad rails at the request of the uk-sas. It attaches to the barrel nut exactly like the top rail of a KAC M4 RAS.

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