You will need the specific trigger and hammer pins for the 15-22 that both CMC or KNS make. The OEM pins that come with the rifle will not work. (they walk out)
I've used both and no issues with either. CMC send me a set free because the pins the came with the unit were for standard AR15's and they are a wee bit too short.
Last edited by cjt50; 07-17-2015 at 06:33 AM.
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