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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The Glock 48 is Glock's slim-line 9mm compact — a full-length slide on the narrower Slimline frame. The upgrade market is smaller than the G19's, but there are solid options. Here is what fits the G48 platform, what optic cuts work, and what to verify before you order. G48 Platform Basics The G48 runs a 4.17" barrel on Glock's Slimline frame — narrower than a G19, same length. …
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