Micro Roni Gen 4 CAA Gearup PDW Converter for Generation 3,4,5 Glock 20 & 21


Micro Roni Gen 4 CAA Gearup PDW Converter for Generation 3,4,5 Glock 20 & 21


CAA will not release this version anytime soon but its bigger brother, the RONI G2-10, is available:


NFA Version: Collapsible Buttstock with Adjustable Cheek Piece.


Non-NFA Version: with Stabilizing Brace.
SKU: MIC-RONI4G20 / 01 Category:


Out of stock


Micro Roni Gen 4 CAA Tactical PDW Converter for Generation 3,4,5 Glock 20 & 21

The newest compact addition to our pistol to carbine conversion kits line. Lightweight and sturdy platform for your various Glock pistols.


  • No pistol disassembly required ? Just drop it into the kit and lock within seconds. 
  • Long Picattiny rail ? Allows combining two devices (i.e. Red-dot, magnifier or NVG).
  • Two extra right and left Picattin!y rails for mounting additional accessories.
  • Ambidextrous, easy and fast cocking handle.
  • Optional: Full-Auto ambidextrous cocking handle.
  • Ambidextrous trigger-guard safety.
  • A right-folding stock for easy concealment and carry, yet the pistol can be operated (grip, cock, and shoot).
  • Right and left serrated thumb-rests for better control on recoil and muzzle rise.
  • Front extra magazine carrier for fast reload.
  • Front integral tactical light (Optional).
  • Front extra magazine carrier for fast reload. (Not on S&W and Glock 21 models) 

New, Gen 4 Features:

  • Captive charging handle - remains within the kit. 
  • Larger and flared ejection port - allows better 
  • ejection, especially of weaker ammunition.
  • Open hatch with access to the pistol's slide-stop. 
  • New triangular-shaped barrel shroud - 
  • Compatible with our "Plus" muzzle accessories, and allows shifting between full and medium-sized Glock pistols ( i.e. Glock 17 to 19) 
  • Compatible with Gen. 5, 4 & 3 Glock pistols.


  • 20 & 21

Also Available for the Following Pistols:


Made of Polymer & Aluminum


  • Weight (gr): 800
  • Width Max (cm): 6.3
  • Length Open Stock (cm): 58.8
  • Length Folded Stock (cm): 37.6

Note to US Buyers:

All the US buyers need an SBR tax stamp to assemble the Micro Roni and their pistol together

Here is a simple guide how to get the stamp:

The Micro Roni Stab doesn't require an SBR Tax Stamp!


DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.
DISCLAIMER: “GLOCK” is a federally registered trademark of GLOCK, Inc. and is one of many trademarks registered by GLOCK, Inc. and GLOCK Ges.m.b.H. Neither YRS Inc., nor this site are affiliated in any manner with, or otherwise endorsed by, GLOCK, Inc. or GLOCK Ges.m.b.H. The use of “GLOCK” on this page is merely to advertise the sale of GLOCK pistols, parts, or components. For additional genuine GLOCK, Inc. and GLOCK Ges.m.b.H products and parts visit


Additional information

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