The Glock 43x MOS has several concerns. Namely The truth that it's only built to operate with a product called the Defend RMSC that Glock specifically established for your Glock 43x. The reason Glock spec’d that optic for the Glock 43x is probably going a result of the eu facet https://daltoninnml.theobloggers.com/22969371/the-definitive-guide-to-glock-43x-price