The Glock 43X and Glock 48 MOS pistols only accept RMSc-footprint optics, which makes the optic-selection problem narrower and cleaner than full-size Glock work. This isn't a 50-option category like the Glock 17 or Glock 19 lineup — there are maybe a dozen RMSc-pattern optics worth considering, and the right pick comes down to glass quality, dot crispness, battery life, a …
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