How to choose a red dot sight for Glock 43x/48 or G43x/48 MOS
They all fire 9mm bullets, G48 and G48 MOS are compact size, G43X and G43X MOS are subcompact size, all of these can install optic sight. We divide them into two groups：
（screen shot from Glock offical website)
Glock 43X MOS & Glock 48 MOS
If you have a glock 43x or 48 with MOS plate, our A17 red dot sight or green dot sight fits it directly and perfectly. You only need to loose some screw and rescrew it, don’t need any extra tools.
（picture provided by customer)
GOWUTAR A17 micro sights are designed for compact and sub-compact pistols, it is compatible with RMS/RMSc Footprint.
Suits for: Canik Mete SFX, Canik Mete SFT, Canik TP9 Elite SC, Glock 48 mos, Glock 43x mos, Sig Sauer P365XL/P365X, Sig Sauer P322, Springfield Armory Hellcat OSP, Ruger Max9, Kimber R7 Mako, WALTHER PPS M2 RMSc, WALTHER Q4/Q5, Smith & Wesson Shield Plus 9mm, S&W PC M&P Shield M2.0, S&W MP9 EZ, Taurus GX4 Toro, Taurus TX22 compact, etc..
Glock 43X & Glock 48
However, if your glock 43x or 48 is NON MOS version, and you don’t wanna have it milled, you can buy an extra adapter plate, so that our A17 red or green dot sight fits your pistol.
The following plate is for your reference. Its model name is “DPP GL-03AL”, it is a rear sight dovetail mounting plate that compatible with NON MOS Glock, you can search it on google or amazon.
Installation instructions:
1. Remove the rear sight (extra tool needed);2. Slide mount plate into rear sight dovetail;
3. Tighten dovetail socket set screws;
4. Place the red dot sight on the mount plate then tighten the mount screws.
(This DPP Dovetail Mount also suit for Holosun 507K, Shield RMS, Shield RMSc, Shield RMSw, Shield SMS, Romeo Zero)
Hope the information is helpful for you! For inquiries about other models, please leave a comment and we will reply as fast as we can.