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mck | Sig Sauer P320 Full, compact & carry

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MCK
mck | Sig Sauer P320 Full, compact & carry - Image 2
mck | Sig Sauer P320 Full, compact & carry - Image 3
MCK 2.0
MCK 2.0

Original price was: 329.00 $.Current price is: 299.00 $.

KIT TYPE

Thumb Rest, Flip-Up Sights, Sling Swivel & One Point Sling

Thumb Rest, Flip-Up Sights, Sling Swivel & One Point Sling, Integrated 500 Lum Flashlight

Thumb Rest, Flip-Up Sights, Sling Swivel & One Point Sling, Integrated 500 Lum Flashlight, Micro Red Dot Sight

ADDITIONAL COOL PRODUCTS

Product price: 299.00 $
Total options:
Order total:
Free Shipping on U.S. Orders Over $150

SIG SAUER P320 • GEN 1 PLATFORM

MCK FOR SIG SAUER P320

A model-specific MCK platform designed for compatible SIG Sauer P320 Full-Size, Compact and Carry configurations, providing improved stability, control, handling speed and accessory mounting without permanent modification to the handgun.


Full-Size / Compact / Carry


Drop-In Fit


No Tools Required


NOT SUPPRESSOR COMPATIBLE

Important — No Suppressor Compatibility
This MCK for the SIG Sauer P320 is a Gen 1 platform and cannot accommodate a suppressor. Suppressor-ready specifications associated with MCK Gen 2 systems do not apply to this product.
Compatibility
Compatible with selected SIG Sauer P320 Full-Size, Compact and Carry models.
Important Model Restrictions
Not compatible with M17, M18, RX, VTAC, AXG, AXG Pro, threaded barrels, suppressors or suppressor-height sights. Models equipped with an external manual safety are not compatible in their factory configuration. X Series compatibility is not confirmed on this listing.

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 the selected setup.
Front Spare Magazine Holder
Integrated front magazine holder for faster reloads.
Built for Performance
Designed to improve control, stability and handling speed.

Platform 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

Product Videos

MCK - FAQ

SIG SAUER P320 • PRODUCT FAQ

EVERYTHING YOU NEED TO KNOW
GEN 1 PLATFORM • NOT SUPPRESSOR COMPATIBLE
This FAQ begins with information specific to the MCK for SIG Sauer P320 sold on this page. General generation comparisons are included only as a reference and do not override the product-specific compatibility notes.
Important — This P320 System Cannot Accept a Suppressor
The MCK supplied for the SIG Sauer P320 is a Gen 1 platform. It is not compatible with suppressors, threaded barrels, or suppressor-height sights. Suppressor specifications associated with MCK Gen 2 or Gen 3 products do not apply to this listing.
Product-Specific Information
P320 Compatibility & Setup
Which P320 models are compatible?
Compatible with selected SIG Sauer P320 Full-Size, Compact and Carry configurations. It is not compatible with M17, M18, RX, VTAC, AXG or AXG Pro models. Select the exact supported configuration shown in the product options.
Can I install the MCK without tools?
Yes. The compatible handgun inserts directly into the platform and locks into position without permanent firearm modification or normal pistol disassembly.
Can I use a ported or compensated barrel?
No. Ported or compensated barrels and slides are not compatible. Escaping gases may interfere with the internal chassis structure and may cause improper operation or damage. Use a standard, non-ported barrel and slide.
Does it support a slide-mounted optic?
No. This P320 MCK is a Gen 1 platform and does not accept a pistol equipped with a slide-mounted optic. Slide-mounted optic support is a feature associated with compatible MCK Gen 3 systems.
Critical Product Restriction
Suppressor & Optic Compatibility
Can I use a suppressor with this P320 MCK?
No — This Product Is Gen 1
The muzzle area of this model is not designed to accommodate a suppressor. Do not rely on suppressor specifications published for Gen 2 or Gen 3 MCK products when ordering this P320 platform.
General MCK Suppressor Reference
Gen 1: Not suppressor compatible
Gen 2: Up to 1.38-inch suppressor diameter on compatible Gen 2 models
Gen 3: Up to 1.50-inch suppressor diameter on compatible Gen 3 models
These Gen 2 and Gen 3 specifications are general references only and do not apply to the P320 product on this page.
General Reference
MCK Generation Differences
This P320 Product

MCK Gen 1
Slim, compact and lightweight platform
Ambidextrous handling
No slide-mounted optic support
No suppressor or suppressor-height sight compatibility
MCK Gen 2
Improved ergonomics and handling
Can operate with stabilizer folded on compatible models
Suppressor compatibility up to 1.38 inches on supported models
Supports suppressor-height sights on supported configurations
MCK Gen 3
Supports compatible slide-mounted optics
Dual-side folding stabilizer
Expanded accessory-ready configuration
Suppressor compatibility up to 1.50 inches on supported models
Configuration & Use
Accessories & Applications
What accessories can be added?
Flip-Up SightsThumb RestsFlashlightsRail-Mounted OpticsSling SwivelsFront Grips
What is the MCK designed for?
The platform is designed to improve stability, control and handling during lawful range use, training and other permitted applications. Users remain responsible for safe operation and compliance with all applicable laws.
Important
Legal Notice
Laws and regulations governing conversion kits, stabilizers and stocks vary by jurisdiction. Certain configurations may require registration, authorization or other legal compliance. Confirm all applicable local, state and federal requirements before purchase, assembly or use.
We sell conversion platforms and accessories only. No firearm is included.
The MCK Advantage
Why Choose the MCK?
Made in the U.S.A.
Manufactured in the United States by one of the most recognized names in handgun conversion platforms.
Proven Worldwide
More than 1.5 million MCK units sold worldwide across professional and civilian markets.
Built for Simplicity
Tool-free installation, model-specific compatibility and a straightforward drop-in platform design.

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.

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