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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