The Ruger Mark IV is one of the most iconic and owned pistols on Earth. It has been a 22-gateway into the firearms world for hundreds of thousands of people. It is an easy shooting 22 that people have spent countless hours on the range with. The only thing that many feel would make it better is if it were suppressed. However, getting the barrel threaded and then adding a suppressor would make it a bit unwieldy. The team at Maxim Defense has a solution. The Maxim Defense MKIV-SD
Maxim Defense MKIV-SD – Suppressed Ruger Mark IV
The Maxim Defense MKIV-SD isn’t just another suppressed Ruger Mark IV—it’s a leap forward in suppressed firearm technology. Powered by M-Kore Technology, this platform delivers unmatched precision, quiet operation, and reliability. Inspired by the iconic MP5SD, the MKIV-SD features a diffuser and ported barrel that bleed gas to reduce supersonic rounds to subsonic speeds, making it one of the quietest and most versatile suppressor systems available.
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Three Piece Design
Its innovative 3-piece design includes integrated carbon cutters for effortless maintenance, while the user-serviceable suppressor ensures long-term durability and convenience. Built for seamless performance, the MKIV-SD eliminates detectable first-round pop and is available in three configurations: without an optic, or equipped with the Leupold DeltaPoint Pro or Vortex Defender-ST red dot optics. Each option enhances the shooting experience, ensuring maximum performance for tactical professionals and enthusiasts alike.
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Maxim Defense MKIV-SD
If you are like me and enjoy plinking with your Mark IV. Having it integrally suppressed is a bonus. This is especially true when we are introducing new shooters to our passion. An extra bonus is that the NFA tax fee has been eliminated, making this much easier to acquire. Looks like it is time to quietly hit the range.
| Calibers : | .22LR |
| Mount : | N/A – Integral |
| Outer Diameter : | 1.0″ (Suppressor) |
| Material Composition : | 7076-T6 aluminum, 4140 stainless steel |
| Weight: | 6.3 oz |
| Length : | 12.6″ overall |
| Finish : | Cerakote, Type III hard coat anodizing |
For more information, visit Maxim Defense.
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