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GLOCK Releases Two New MOS Pistols:G17 Gen4 in MOS & G19 Gen4 in MOS

Today, GLOCK, Inc., announced the release of two new pistols to join the Modular Optic System (MOS) series, the G17 Gen4 in MOS and the G19 Gen4 in MOS.
Now, two of GLOCK’s best selling pistols are available with milled slides designed specifically to be adaptable to multiple optic systems without costly customization. The G17 Gen4 MOS and G19 Gen4 MOS are the ideal addition to the series as the market continues to trend toward optic-ready everyday carry and defense.

 “We’re seeing more and more professional trainers recommend the use of optics for primary and defensive use,” stated Josh Dorsey, vice president at GLOCK. “Optic ready pistols will enable faster target acquisition when a reflex sight is mounted.”

Both pistols are chambered in .9mm and do not differ in specifications from their respective standard models. Other MOS pistols, introduced in January of 2015, are the G34 Gen4 MOS, G35 Gen4 MOS, G41 Gen4 MOS, and the G40 Gen4 MOS. The new models were unveiled today at the Range Day for SHOT Show and will be on display at the GLOCK booth (#12254) throughout the week. The pistols will be available for purchase at retailers in the following weeks.

To learn more about the new MOS pistols, visit


6 Responses to “GLOCK Releases Two New MOS Pistols:G17 Gen4 in MOS & G19 Gen4 in MOS”

  1. Dellis says:

    Since I already have a G19, I wonder if one can purchase just the milled slide?

    • Washington says:

      what do you think, this is the firearms industry, you just have to buy the new shit

      • Dellis says:

        Better yet, I am using all of my wifes emery boards and gonna mill my top slide out on my own

  2. Mike says:

    Are they going to include sights that actually clear the optic, or just stick with the standard plastic sights that don’t?

    • mike says:

      Well a picture is worth a thousand words, other Mike.

    • Matt says:

      Unfortunately, the MOS is so tall that even suppressor sights won’t clear it. You would need to buy extra tall MOS specific sights that only a few companies that I know of even make.