| CHOOSE COLOR | BLACK (MCKSWMPAR), FDE (MCKSWMPTAR), OD GREEN (MCKSWMPGAR), TUNGSTEN GREY (MCKSWMPTUAR) |
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MCK | Smith & Wesson M&P 1.0 / 2.0 Compact
Original price was: 329.00 $.250.00 $Current price is: 250.00 $.
Free Shipping on U.S. Orders Over $150
Compatibility
Compatible with Smith & Wesson M&P 9/40 1.0 and 2.0 Compact models.
Important Notes
Not compatible with thumb safety models, Performance Center models, SW9VE, M&P .45 models, M&P M2.0 Metal Series, suppressor-height sights, threaded barrels, or suppressors.
Design Note
The MCK for 1st generation M&P models uses the same body and charging handle as the M&P 2.0 MCK. The unit may show “2.0” inside the ejection port or on the charging handle — this is normal and does not affect fitment.
Key Features
Drop-In Installation
No pistol disassembly required — insert, lock, and go.
Extended Stabilizer
Adjustable Velcro® strap for improved support and handling.
Top Picatinny Rail
Mount optics, sights, and aiming solutions directly on the platform.
Side Picatinny Rails
Supports lights, thumb rests, and other tactical accessories.
Ambidextrous Handling
Fast, intuitive operation for right- and left-handed shooters.
Folding Stabilizer / Stock
Compact carry configuration depending on selected setup.
Front Spare Magazine Holder
Integrated front magazine holder for faster reloads.
Built for Performance
Designed to improve control, stability, and handling speed.
Available Options
Handgun Model
S&W M&P 9/40 1.0 / 2.0 Compact
Color / Pattern
Black, ODG, Tungsten, FDE, White
Stabilizer / Stock
Gen 2 Stabilizer, Gen 2 Stock, Short Stabilizer, TAC — No Stabilizer
Not the Right Model?
Have an SD9VE?
This kit does not fit SW9VE or SD9VE. Please select the SD9VE-compatible MCK model instead.
Have an M&P Shield?
This kit is not for the Smith & Wesson Shield. Please choose the dedicated M&P Shield MCK model.
MCK Gen 2 Measurements
Material
Polymer + Aluminum
Weight
33.16 oz
Open Length
22.32 in
Folded Length
13.70 in
Max Width
2.48 in
Max Height
6.10 in
MCK Gen 2 Videos
MCK - FAQ
EVERYTHING YOU WANTED TO KNOW ABOUT THE MCK — ANSWERED
Have you been considering the CAA Micro Conversion Kit (MCK)?
We’ve gathered and answered the most common questions to help you make an informed purchase and better understand the key features across all MCK generations.
MCK COMPATIBILITY & SETUP
Can I run a ported barrel or slide with the MCK?
No. Ported or compensated barrels and slides are not compatible with any MCK generation. These barrels release gas upward, which may interfere with the internal structure of the MCK and may cause malfunctions or damage. Use only standard, non-ported barrels.
Can I install the MCK without any tools?
Yes. One of the MCK’s major advantages is tool-free installation. Simply insert your handgun into the kit, lock it in place, and you are ready to go.
Does the MCK work with slide-mounted optics?
Only MCK Gen 3 supports pistols with slide-mounted optics, such as red dot sights. MCK Gen 1 and Gen 2 do not support slide-mounted optics.
Which handguns are compatible with the MCK?
MCK kits are available for dozens of handgun models from Glock, Sig Sauer, Smith & Wesson, CZ, Springfield Armory, and more. Please check the full compatibility chart before selecting your model.
SUPPRESSOR & GENERATION DIFFERENCES
Can I use a suppressor with the MCK?
Yes — but only with Gen 2 and Gen 3 models.
MCK Gen 1: Not compatible with suppressors
MCK Gen 2: Accepts suppressors up to 1.38” diameter
MCK Gen 3: Accepts suppressors up to 1.50” diameter
Both Gen 2 and Gen 3 also support suppressor-height sights. Gen 1 does not.
What’s the difference between MCK Gen 1, Gen 2, and Gen 3?
Each generation adds new features while keeping the MCK’s core advantages: stability, speed, compact design, and tool-free installation.
Gen 1 is slim and lightweight. Gen 2 adds improved ergonomics and suppressor compatibility. Gen 3 adds support for slide-mounted optics and a dual-side folding stabilizer.
MCK GENERATIONS
MCK Gen 1
Slim and compact design
Lightweight platform
Ambidextrous handling
No support for suppressors or suppressor-height sights
MCK Gen 2
Adds to Gen 1 features
Can fire with stabilizer folded
Improved ergonomics
Suppressor compatibility up to 1.38”
Supports suppressor-height sights
MCK Gen 3
Adds to Gen 2 features
Accepts pistols with slide-mounted optics
Dual-side folding stabilizer
Supports suppressors up to 1.50”
ACCESSORIES & USE
What accessories can I add to my MCK?
Flip-up sights
Thumb rests
Integral flashlights
Red dot optics
Sling swivels
Front grips
Is the MCK good for home defense or training?
Yes. The MCK enhances control, stability, and speed, making it suitable for home defense, tactical training, and range use.
LEGAL NOTICE
MCK legality varies by state and country. In the U.S., using a stock may require an NFA tax stamp. Always check your local laws before purchase or use.
Important: We do not sell firearms — only conversion kits and accessories.
WHY CHOOSE THE MCK?
Made in the USA
100% Made in the USA and built by one of the most recognized names in handgun conversion kits.
Proven Worldwide
Over 1.5 million MCK units sold worldwide and trusted by military, law enforcement, and civilian users.
Built for Simplicity
No tools required, wide handgun compatibility, and backed by a 10-year warranty.
WARRANTY
10 YEARS / NO GUNSMITHING REQUIRED / MIL STANDARD
MCK vs Micro Roni – What's the Difference?
If you’re comparing the MCK (Micro Conversion Kit) to the original Micro Roni, the MCK is not just a replacement — it’s a complete upgrade in every key area: compatibility, stability, ergonomics, and overall performance.
Top Advantages of the MCK Over the Micro Roni
- Stronger Aluminum Top Picatinny Rail (Gen2 models)
The MCK features a precision-machined aluminum Picatinny rail instead of polymer. This makes a huge difference: aluminum is more rigid, holds zero better for optics, and resists warping under recoil or heat. (Polymer rails, used on some Micro Roni models, can flex or shift, leading to accuracy issues over time.) - No Disassembly Required – Fast, Tool-Free Installation
Insert your pistol, lock it in place, and you’re ready to shoot. No need to strip down your firearm, saving you time and avoiding assembly mistakes. - Fire with the Stock or Brace Folded
The MCK allows shooting even when folded — critical for close-quarters defense and tactical readiness. - Broader Pistol Compatibility
Works with dozens of handgun models (including those with compensators in Gen2 Aluminum Rail versions). One chassis can support multiple sidearms, reducing cost and simplifying logistics. - Full Accessory Mounting Options
Multiple Picatinny rails for lights, lasers, thumb rests, foregrips, and more. Fully ambidextrous operation for left- and right-handed shooters. - Compact, Lightweight & Ergonomic
Improved grip surfaces and foregrip design provide better control, faster follow-up shots, and superior handling compared to earlier designs. - Made in the U.S.A.
Built with high-grade polymer, aluminum components, and advanced manufacturing — ensuring quality, reliability, and long service life.
Why We Recommend the MCK Over the Micro Roni
We no longer offer the Micro Roni because the MCK is its refined evolution — designed for modern shooters who demand more from their gear. Whether you’re a civilian, law enforcement officer, or military user, the MCK delivers better accuracy, faster deployment, and greater versatility — without compromise.
FAQ: How is the MCK different from the Micro Roni?
The MCK (Micro Conversion Kit) is a next-generation upgrade over the Micro Roni, offering an aluminum top Picatinny rail (Gen2) for better optic stability, tool-free installation without disassembling the pistol, the ability to fire with the stock or brace folded, and compatibility with dozens of handgun models. It’s lighter, more ergonomic, and made in the U.S.A. for maximum durability and performance.