The Ruger RXM COA is a 9mm semi-automatic pistol with a 4-inch barrel and a 15+1 round capacity. It ships with a Magpul ODG (OD Green) frame, two 15-round Magpul magazines, co-witness blacked-out sights, and an Aimpoint COA optic included in the package. 
 

Key Specifications 

• Brand: Ruger 
• Model: RXM COA 
• Caliber: 9mm 
• Action: Semi Auto 
• Capacity: 15+1 
• Barrel Length: 4 in 
• Color/Finish: OD Green (Magpul ODG frame) 
   

Detailed Features 

• Magpul ODG frame in OD Green 
• Two 15-round Magpul magazines included 
• Co-witness blacked-out sights 
• Aimpoint COA optic included 
• 4-inch barrel

Owners of the Ruger RXM COA frequently comment on the value of the bundled Aimpoint optic, noting that the kit packaging removes the usual optic-mounting guesswork. The Magpul ODG frame gets consistent praise for grip texture and aesthetics.

The pistol's handling draws favorable comparisons to other polymer-frame 9mm platforms in the same size class. The 4-inch barrel length is seen as a practical balance between carry and duty use, though some shooters would prefer a slightly shorter option.

Sentiment around the Ruger RXM COA as a complete package is generally positive, but a few owners note that the co-witness sight setup requires some adjustment time to get comfortable with, particularly for those transitioning from iron-only pistols.