We were able to dig up some of the extremely popular Glock 17 MOS models.

The Glock 17 is one of the most popular full sized semi-auto pistols on the market.  The Glock 17 is known for its proven reliability, ease of use and accuracy makes it choice of many law enforcement agencies, military and everyday shooters.  Combine that with Glocks MOS Modular Optics System which allows users to mount a RMR optic of thier choice.  Makes this Glock ready to perform under any condition or situation you encounter.

Glock 17 gen 4. MOS
9x19mm
4.49" hexagonal twist barrel
Modular back straps
MOS rmr mounting plates