Shadow Systems XR920 Foundation 9mm 4″ Optic Ready Threaded

Description

The Shadow Systems SS-3310 XR920 Foundation is a compact, semi-automatic 9mm pistol designed for everyday carry and range use. Source listings indicate a 4-inch barrel with a threaded muzzle and an optic-ready slide compatible with micro red-dot sights. The finish is listed as black nitride with a black threaded barrel in the provided product names.

Key Specifications

• The manufacturer is Shadow Systems.
• The model designation is SS-3310 XR920 Foundation.
• The caliber is 9mm.
• The barrel measures 4 inches.
• The barrel is specified as a threaded barrel.
• The slide is described as optic-ready for micro red-dot sights.
• The finish is listed as black nitride.
• Typical roles noted in the listing include everyday carry, range, and defensive use.

With a compact 4″ threaded barrel and an optic-ready slide, this configuration suits users who want a modern carry-capable platform that accepts micro red-dot sights and supports threaded-muzzle accessories. The combination of a black nitride finish and an optic-capable slide makes it a practical choice for shooters seeking a streamlined, service-style pistol for training and personal protection scenarios.