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I installed this in my geiselle lower with the supplied pins and the body/frame of the drop-in was very loose. The pins are smaller than the holes in the drop-in which resulted in it floating around in my lower. This is a design issue as CMC does not utilize any tensioning screws to keep it in place. Also the body is stamped steel... The price for a CMC is way too much for product that is cheaply made and lacks common features.
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