Maxim Defense MKIV-SD Integrally Suppressed Ruger MKIV Pistol

    Maxim Defense MKIV-SD

    Having spent the weekend on the shooting range with a suppressed handgun, it’s with great excitement I found out about the new Maxim Defense MKIV-SD. The package consists of a Ruger MKIV .22LR pistol with an integral suppressor with or without a red dot. According to Maxim Defense, there is no detectable first round pop, and overall the sound should be well below hearing safe levels. Considering I was shooting 9mm supersonics without hearing protection, it’s hard to imagine how quite this .22LR would be in comparison.

    Maxim Defense @ TFB

    The MSRP without optic is $1,595 and $2,195 with a Leupold DeltaPoint Pro.

    Maxim Defense MKIV-SD

    Here is the new product announcement for the new Maxim Defense MKIV-SD:

    The new Maxim Defense MKIV-SD is an Integral Suppressed Ruger MKIV Pistol. Choosing the finest modern .22LR pistol in the world, the integrated MkIV-SD suppressor is the quietest purpose-built suppressor in category with the easiest maintainability.


    • State-of-the-art MonoKore design.
    • Simple 3-piece design.
    • Military grade materials.
    • Integrated into the modern Ruger MkIV pistol.
    • Has secondary retention mechanism on suppressor tube.
    • MonoKore has integrated carbon cutters for cleaning the suppressor.

    • No detectable first round pop.
    • Drops sound to well below hearing safe levels (specific reduc-
    tion based on ammunition and atmospheric conditions). Average measurement per MILSTD-1474D of 114 dB average with Gemtech subsonic ammunition and 123dB with CCI Minimag ammunition. These measurements are from the shooter’s left ear measurement location.
    • Decreases flash, decreases recoil, increases accuracy.
    • Fully and easily serviceable.
    • Disassembles with common tools.

    More information is available at

    What do you think about the Maxim Defense MKIV-SD? Does it get your approval or not?

    Eric B

    Ex-Arctic Ranger. Competitive practical shooter and hunter with a European focus. Always ready to increase my collection of modern semi-automatics, optics and sound suppressors. TCCC Certified medic.