Arex Delta X OR 9mm 4″ Optic-Ready Black

Description

The Arex Delta X OR is a compact, striker-fired 9mm pistol designed with modularity and optics compatibility in mind. It features a 4-inch barrel, a black nitride slide with optic cut and serrations, and interchangeable backstraps for a tailored grip. The pistol’s removable frame inserts hold the fire control mechanism while preserving modular interchangeability.

Key Specifications

• The caliber is 9mm.
• The barrel measures 4 inches.
• The action type is Striker-fired.
• The slide finish is Black Nitride with optic cut and serrations.
• The frame finish is Black.
• The grip uses interchangeable backstraps for fit customization.
• The pistol includes a firing pin safety.
• The overall length is 7.2 inches.
• The overall height is 5.1 inches.
• The unloaded weight is listed as 19.0 oz and loaded weight with a magazine as 22.0 oz (reported values)

The Delta X OR balances modern ergonomics with a modular design that supports optics and user customization. Its 4-inch barrel and compact footprint suit a wide range of uses where a reliable, adaptable 9mm platform is appropriate. Built with a nitride-treated slide and removable frame inserts that retain the fire control mechanism, this model is practical for owners who prioritize flexibility and straightforward, functional engineering.

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