Cross Armory LEGION Series
LEGION Slide for Glock G19 by Cross Armory - BLACK3
LEGION Slide for Glock G19 by Cross Armory - GOLD
LEGION Slide for Glock G19 by Cross Armory - GOLD3
LEGION Slide for Glock G19 by Cross Armory - BLACK
LEGION Slide for Glock G19 by Cross Armory - BLACK2
LEGION Slide for Glock G19 by Cross Armory - GOLD2
Cross Armory LEGION Series Slide Specs
Cross Armory LEGION Series5

LEGION Slide for Glock G19 by Cross Armory


  • Drop In Fit for – G19 and p80 compatible GEN 1-3 (GEN 4-5 compatible with guide rod adaptor) 
  • H900 Heat Treated 17-4 Stainless Steel (compare to all others using non stainless material)
  • Increased Tolerance Fitment / tolerance as low as +/-.0005in
  • Reduced Friction Reset Ramp
  • Weight Reduced Slide
  • RMR CUT – Fits all RMR pattern Red Dot Optics / 6-32 tap holes
  • True Grip deep cut serrations – for grip with muddy or bloody hands
  • CNC machine cut from billet 17-4 Stainless
  • Smooth Slide Line at bottom of slide –  to prevent forward thumb friction
  • Window cuts – top and sides to reduce heat and improve accuracy through dimensional stability
  • Legion Series – has corresponding matching barrel
  • INCLUDES – 1 slide, 1 cover plate (installed), 2 cover plate screws (installed)
  • Cover Plate will be Black – and is intended to be removed and replaced with an optic
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The Roman LEGION was the most powerful War Machine in the ancient world. 


While all legions played an important role, only a few gained great fame. Highly disciplined, well-organized, and fearsome, the Roman army was arguably the greatest military force in world history.   The Cross Armory LEGION series of Slides and Barrels are at the forefront of engineering excellence, giving its users an unfair advantage over their adversaries, similar to the history of the Legions, who wielded only the best and defeated all in their way.  We crafted this slide from the books of history, designed to have function follow form, likening the design to the Romans.  The model is called out in Roman numerals, giving a universal understanding of form and function in any language, on any battlefield.  The grips and weight reduction widows design is in proportion to the great Roman pillars of the earth, while serving function to your weapon.

The LEGION series is designed to match slide and barrel, but all LEGION parts can work flawlessly and independently with any factory slide or barrel combination.  This barrel is crafted from billet Stainless Steel and CNC machined to the highest SAAMI standards.  With reduced weight and a match grade chamber.  The weight has been reduced on the chamber block without compromising function.  The performance has been increased by fluting the barrel body, increasing the surface area for cooling and increasing material temperature stability and leading to better repeatable accuracy and performance.

This slide has an RMR mounting footprint. 

For your reference, below we have included some detailed information and various optics that use the RMR foot print that will fit the LEGION slide!

Red dot sights that fit this slide:

Trijicon RMR footprint
Trijicon RMR mounting standard
Trijicon RMR Mounting Standard
Trijicon RMR Mounting Standard



At Cross Armory, we elevate accuracy and innovation.

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.

“GLOCK” is federally registered Glock, Inc. or Glock Ges.m.b.H 

Cross has NO affiliation in any manner with, or otherwise endorsed by, Glock, Inc. or Glock  Ges.m.b.H. The use of the word “GLOCK” on this page is merely to identify with which firearm these parts or components are compatible.

Additional information


Black, Gold


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