CAA USA Logo Roni MCK
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CELEBRATING 250 YEARS OF FREEDOM

25.0% OFF SITEWIDE

USE CODE: FREEDOM250
*Excludes DRUMS, MAGS, EXISTING SALES & BARRELS

EVO Beavertail Expansion PACK

FOR Taurus TX22 GX2 GX4

EVO Beavertail Expansion PACK

FOR GLOCK 17/19/45 Gen 6

EVO Rear Spare Magazine Carrier

FITS 150+ Guns

MCK EVO ACCESSORIES

GEAR UP YOUR EVO

SHOP BARRELS

16 & 9 Inch Pistol BArrels
Our Flagship

The MCK Evo: A new era of performance.

Think of the EVO as the latest generation — re-engineered ambidextrous controls, the widest handgun compatibility we've ever offered, and a refined chassis. 

  • Fits the most handguns: Glock, Taurus, Canik, Ruger, Springfield, FN, HK, SIG, P80, CZ & PSA And More
  • Ambidextrous, tool-free controls
  • Still want a MCK Gen 1–3? Some shooters prefer them for specific fitments and price — compare below.

SHOP BY CATEGORY

WHICH MCK IS RIGHT FOR YOU?

Four options. Here's the one-line reason to pick each.
NEWEST
EVO MCK Conversion Kit

MCK EVO

Best for most buyers — newest design, widest fit.
WORKS FOR
GLOCK, TAURUS, CANIK, RUGER, SPRINGFIELD, FN, HK, SIG SAUER, P80, CZ & PSA
Shadow Systems Conversion Kit for MR920 MR920L DR920 DR920L XR920 Micro Conversion Kit

MCK GEN 3

For Glock owners who want to use a RMR sight and is suppressor ready.
WORKS FOR
GLOCK
BEST SELLER

MCK GEN 2

Our proven best seller — compatible with many gun makes and suppressor friendly.
WORKS FOR
GLOCK, TAURUS, CANIK, RUGER, SPRINGFIELD, SIG SAUER, P80, CZ & PSA

MCK GEN 1

The original — lowest entry price.
WORKS FOR
GLOCK, SIG SAUER

BEST SELLERS

ON SALE

NEW ARRIVALS

Under New Ownership

The MCK Evo: A new era of performance.

Joe and Anthony didn't buy CAA from the outside. They spent years manufacturing these kits before taking ownership in 2025. The same hands that engineered the MCK now answer for it.

Every chassis is designed and built in the USA, engineered in-house, and quality-checked before it ships. No outsourcing the part that matters.

"We make every kit like it's going on our own pistol. That's the standard now."

- Joe & Anthony, Owners
  • Designed & Built In USA
  • Engineered In-House
  • QC On Every Unit

SHOP MCK's BY FIREARM

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MADE IN USA
Proudly Designed & Made In USA
FREE SHIPPING
Order above $150 in US
1 YEAR WARRANTY
Quality Guaranteed
No FFL Required
Ships Directly To Your Door

© 2026 RIGHTS RESERVED CAA USA LLC // Meta Tactical LLC // Proudly Designed, Developed & Made in the USA By Plastimold Products LLC

MCK GEN 1 SPECS

  • Works with Glock and Sig Sauer
  • No pistol disassembly required — place pistol into kit, lock, and go
  • Supports multiple handgun models on one platform
  • Top Picatinny rail for sights and/or optics
  • Side Picatinny rails for additional accessories (e.g. thumb-rests)
  • Ambidextrous fast and easy handling
  • Right-folding stock arm brace for concealment and carry, locks in folded position
  • Built-in charging handle for quicker assembly/disassembly
  • Exposed slide release for direct contact and easier use

MCK GEN 2 SPECS

  • Works with Glock, Taurus, Canik, Sig Sauer, FN, CZ, and more
  • No pistol disassembly required — place pistol into kit, lock, and go
  • Supports multiple handgun models on one platform
  • Top Picatinny rail for sights and/or optics
  • Side Picatinny rails for additional accessories (e.g. thumb-rests)
  • Ambidextrous fast and easy handling
  • Right-folding stock arm brace for concealment and carry, locks in folded position
  • Built-in charging handle for quicker assembly/disassembly
  • Exposed slide release for direct contact and easier use
  • Aluminum Top Picatinny Rail
  • Most models accept suppressor up to 1.38" diameter
  • Push button release spare magazine holder
  • Ability to fire with stabilizer in folded position

MCK GEN 3 SPECS

  • Works with Glock 17/19/19X/20/21/22/23/25/31/32/45/47
  • No pistol disassembly required — place pistol into kit, lock, and go
  • Supports multiple handgun models on one platform
  • Top Picatinny rail for sights and/or optics
  • Side Picatinny rails for additional accessories (e.g. thumb-rests)
  • Ambidextrous fast and easy handling
  • Right-folding stock arm brace for concealment and carry, locks in folded position
  • Built-in charging handle for quicker assembly/disassembly
  • Exposed slide release for direct contact and easier use
  • Push button release spare magazine holder
  • Ability to fire with stabilizer in folded position
  • Aluminum Top Picatinny Rail
  • Accepts suppressor up to 1.56" diameter
  • Built-in slide cleaning system
  • Accepts handguns with slide mounted optics
  • 2 stabilizer height options for proper sight picture
  • Ability to aim with slide mounted optic
  • Stabilizer folds left or right

EVO SPECS

  • SLIMMEST
  • AR-STYLE CHARGING
  • COMPATIBLE 100+ GUNS ON ONE CHASSIS
  • AMBIDEXTROUS CONTROLS
  • ALUMINUM TOP PICATINNY RAIL
  • ACCEPTS SUPPRESSORS UP TO 1.38" DIAMETER WITH 9" BARREL
  • PUSH BUTTON RELEASE SPACE MAGAZINE HOLDER
  • ABILITY TO FIRE WITH STABILIZER IN FOLDER POSITION
  • NO PISTOL DISASSEMBLY REQUIRED, JUST PLACE PISTOL INTO KIT, LOCK AND GO.
  • TOP PICATINNY RAIL, ALLOWING A COMBINATION OF SIGHTS AND/OR OPTICS.
  • SIDE PICATINNY RAILS FOR MOUNTING ADDITIONAL ACCESSORIES
  • EXPOSED SIDE RELEASE FOR DIRECT CONTACT AND EASIER USE
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