Labeled st , but is cmc . - CMC Triggers Enhanced AR Bolt Carrier Group (BCG)

received my BCG and like another reviewer mentioned, it is labeled ST , not CMC . ST stands for San Tac , a daughter company of CMC. they ran out of the CMC labeled BCG's as per their rep who i called to make sure what i got was what im supposed to get . i already own 3 regularly labeled CMC BCG's and they all work wonderfully or id not be repeatedly buying . im sure this one though not labeled as CMC will still work flawlessly . i didnt ask why they are labeled this way , San Tac can be bought on the Optics Planet site individually. but she said they " ran out of the CMC labeled BCG's " and offered to exchange. im not trying to bother anyone so ill stick with it . but wanted to leave this here in case it helps others who may be concerned / surprised. . I'd think they will eventually come back with the CMC labeled units, or just discontinue it and sell as San Tac labeling .